CN106783308A - Luminous button and the illuminated keyboard comprising luminous button - Google Patents

Luminous button and the illuminated keyboard comprising luminous button Download PDF

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Publication number
CN106783308A
CN106783308A CN201611250588.1A CN201611250588A CN106783308A CN 106783308 A CN106783308 A CN 106783308A CN 201611250588 A CN201611250588 A CN 201611250588A CN 106783308 A CN106783308 A CN 106783308A
Authority
CN
China
Prior art keywords
emitting diode
light emitting
bare crystalline
diode bare
light
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201611250588.1A
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Chinese (zh)
Other versions
CN106783308B (en
Inventor
何信政
陈志宏
许文明
张景川
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Darfon Electronics Suzhou Co Ltd
Darfon Electronics Corp
Original Assignee
Darfon Electronics Suzhou Co Ltd
Darfon Electronics Corp
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Application filed by Darfon Electronics Suzhou Co Ltd, Darfon Electronics Corp filed Critical Darfon Electronics Suzhou Co Ltd
Priority to CN201611250588.1A priority Critical patent/CN106783308B/en
Publication of CN106783308A publication Critical patent/CN106783308A/en
Application granted granted Critical
Publication of CN106783308B publication Critical patent/CN106783308B/en
Active legal-status Critical Current
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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02Details
    • H01H13/023Light-emitting indicators
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/83Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by legends, e.g. Braille, liquid crystal displays, light emitting or optical elements
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00Legends
    • H01H2219/002Legends replaceable; adaptable
    • H01H2219/014LED
    • H01H2219/016LED programmable

Landscapes

  • Push-Button Switches (AREA)
  • Switch Cases, Indication, And Locking (AREA)

Abstract

A kind of illuminated keyboard the invention discloses luminous button and comprising luminous button.Luminous button of the invention includes the keycap with transmission region, flexible circuit layer and at least one light emitting diode bare crystalline.Flexible circuit layer includes pliability dielectric film and at least one pair of pin being formed on the upper surface of pliability dielectric film.Each light emitting diode bare crystalline to should be at least one pair of pin a pair of pins and comprising a pair of weld pads.Each light emitting diode bare crystalline is fixed on flexible circuit layer above and one a pair of pins corresponding to weld pad is electrically connected.The light that each light emitting diode bare crystalline is launched irradiates the transmission region of button.

Description

Luminous button and the illuminated keyboard comprising luminous button
Technical field
The illuminated keyboard on a kind of luminous button and comprising luminous button of the invention, and especially with regard to not using The light-emitting diode of encapsulation and change using light emitting diode bare crystalline (light-emitting diode die) luminous pressing Key and the illuminated keyboard comprising luminous button.
Background technology
Illuminated keyboard has been input peripheral device common on the market.The existing back lighting device for illuminated keyboard, some Prior art is, by many light sources of quantity generally light emitting diode, to be arranged along the long side of light guide plate or short side side.Separately have Be placed in light source in the opening of light guide plate with the opening run through by its light guide plate of a little prior arts.However, in order to avoid backlight Device away from be might have at light source dark space occur this prior art not only with quantity of light source it is more, and must use big work( The light emitting diode of rate.
The light emitting diode that above-mentioned prior art is used is all the element for having encapsulated, with certain height.So, on State prior art and be unfavorable for the requirement that illuminated keyboard is further thinned for the back lighting device of illuminated keyboard.
Additionally, above-mentioned prior art is used for the back lighting device light-emitting diodes for launching single colored light rarely seen at present of illuminated keyboard Pipe.So, it is impossible to the coloured light execution for single luminous button or the region of illuminated keyboard is stylized, that is, single lighting is pressed The coloured light alterable of key, or the different zones of illuminated keyboard send different color light.
The content of the invention
Therefore, one of technical problem to be solved of the invention is to provide a kind of lighting for use light emitting diode bare crystalline Button and the illuminated keyboard comprising luminous button.Thereby, luminous button of the invention and illuminated keyboard can be further slim Change and luminous required power consumption is smaller.Even, the coloured light alterable of luminous button of the invention, or illuminated keyboard of the invention Different zones send different color light.
The luminous button of preferred embodiment of the invention comprising base plate, keycap, switch membrane, flexible circuit layer, extremely Few a light emitting diode bare crystalline and at least one protection cap.Keycap has transmission region, and can connect up or down In the top of base plate, keycap is caused to be moved between non-pressing position and pressing position relative to base plate.Switch membrane is placed in On base plate.Switch membrane includes switch.When keycap is moved to pressing position, switch activated triggering.Flexible circuit layer is set Above or below base plate.Flexible circuit layer includes pliability dielectric film and is formed in the first upper table of pliability dielectric film At least one pair of pin on face.A pair of pins in corresponding at least one pair of pin of each light emitting diode bare crystalline, and comprising A pair of weld pads.Each light emitting diode bare crystalline be fixed on flexible circuit layer on, and its a pair of weld pad it is corresponding should A pair of pins is electrically connected.Each protection cap one light emitting diode bare crystalline of correspondence.Each protection cap is formed in soft On property circuit layer, and cover its corresponding light emitting diode bare crystalline.The first light that each light emitting diode bare crystalline is launched Line irradiates transmission region.
Further, the luminous button of preferred embodiment of the invention is also comprising light modulation diaphragm.Light modulation diaphragm is arranged on On flexible circuit layer.
In a specific embodiment, diaphragm brightening film sheet or diffusion barrier sheet are dimmed.
In a specific embodiment, the light modulation diaphragm includes at least one camera lens part, one hair of each camera lens part correspondence Optical diode bare crystalline and in the top of its corresponding light emitting diode bare crystalline.
Further, the luminous button of the preferred embodiment of the present invention also includes the first phosphor powder layer.First fluorescent material Layer is formed on the basal surface of keycap.First light irradiates the first phosphor powder layer, and second is down converted to through the first phosphor powder layer Light.
In a specific embodiment, first light is black light, and second light is visible ray.
Further, the luminous button of preferred embodiment of the invention is also comprising multiple refractive bodies.Each refractive body One light emitting diode bare crystalline of correspondence.Each refractive body is formed on flexible circuit layer, and around its corresponding hair Optical diode bare crystalline, is used to reflect the first light that its corresponding light emitting diode bare crystalline is launched.
In a specific embodiment, also comprising multiple extinction bodies, each extinction body one light emitting diode bare crystalline of correspondence, It is upper and around its corresponding light emitting diode bare crystalline that each extinction body is formed in flexible circuit layer, and is used to absorb its right First light that the light emitting diode bare crystalline answered is launched.
In a specific embodiment, the pliability dielectric film is formed by PET or polyimides.
In a specific embodiment, at least one pair of pin is selected from and is formed by copper or copper alloy.
In a specific embodiment, between the switch membrane and the base plate, the switch membrane has flexible circuit layer At least one first hollow-out parts, each first hollow-out parts one light emitting diode bare crystalline of correspondence, each light emitting diode is naked Crystalline substance is in its corresponding first hollow-out parts.
In a specific embodiment, below the base plate, the switch membrane has at least one first to flexible circuit layer Hollow-out parts, the base plate has at least one second hollow-out parts, each first hollow-out parts correspondence one the second hollow-out parts and one Individual light emitting diode bare crystalline, each light emitting diode bare crystalline is in its corresponding first hollow-out parts and its corresponding second hollow out In portion.
In a specific embodiment, also comprising at least one second fluorescence coatings, one hair of each second fluorescence coating correspondence Optical diode bare crystalline and a protection cap, each second fluorescence coating form naked to cover its corresponding light emitting diode Crystalline substance, each corresponding protection cap of the second fluorescence coating is covering the fluorescence coating of this second.
In a specific embodiment, the switch membrane includes upper thin film circuit, lower thin film circuit and insulating element, should be every Thin film circuit on this is separated with the lower thin film circuit from component, the switch includes Top electrode block and at least one bottom electrode Block, the Top electrode block is formed on this on lower surface of thin film circuit, and at least one bottom electrode block is formed under this On second upper surface of thin film circuit, the pliability dielectric film with this on thin film circuit be same element.
In a specific embodiment, the switch membrane includes upper thin film circuit, lower thin film circuit and insulating element, should be every Thin film circuit on this is separated with the lower thin film circuit from component, the switch includes Top electrode block and at least one bottom electrode Block, the Top electrode block is formed on this on lower surface of thin film circuit, and at least one bottom electrode block is formed under this On second upper surface of thin film circuit, the pliability dielectric film is same element, flexible circuit layer with the lower thin film circuit Set on which floor plate, thin film circuit has at least one the 3rd hollow-out parts on this, the insulating element has at least one the 4th Hollow-out parts, each light emitting diode bare crystalline correspondence one the 3rd hollow-out parts and the 4th hollow-out parts, each luminous two Pole pipe bare crystalline position is in its corresponding 3rd hollow-out parts and its corresponding 4th hollow-out parts.
In a specific embodiment, the switch membrane and comprising upper thin film circuit, lower thin film circuit and insulating element, The insulating element separates thin film circuit on this with the lower thin film circuit, and the switch is comprising under Top electrode block and at least one Electrode block, the Top electrode block is formed on this on lower surface of thin film circuit, and at least one bottom electrode block is formed in On second upper surface of the lower thin film circuit, flexible circuit layer is arranged on this between thin film circuit and the lower thin film circuit, Flexible circuit layer and the insulating element are same element, and thin film circuit has at least one the 3rd hollow-out parts on this, each One the 3rd hollow-out parts of individual light emitting diode bare crystalline correspondence, each light emitting diode bare crystalline is in its corresponding 3rd hollow-out parts It is interior.
Further, the luminous button of the preferred embodiment of the present invention also comprising elevating mechanism and replys element.Rise One end of descending mechanism is movably connected keycap, and the other end is movably connected base plate.Reply the restoring force that element provides keycap.
The illuminated keyboard of a preferred embodiment of the invention includes multiple luminous buttons of the invention.
Different from prior art, transparent keycap of the invention does not use the light-emitting diode that has encapsulated and changes using hair Optical diode bare crystalline.Therefore, compared with the illuminated keyboard of prior art, illuminated keyboard of the invention can further be thinned And power consumption needed for luminous is smaller.Even, the coloured light alterable of luminous button of the invention, or illuminated keyboard of the invention is not Different color light is sent with region.
Can be obtained further by following detailed description of the invention and institute's accompanying drawings on the advantages and spirit of the present invention Solution.
Brief description of the drawings
Fig. 1 is the schematic appearance of the luminous button of a specific embodiment of the invention.
Fig. 2 and Fig. 3 are respectively the generalized section of luminous button in Fig. 1 along line A-A.
Fig. 4 and Fig. 5 are respectively the top view of the subelement of luminous button of the invention.
Fig. 6 to Figure 16 is respectively the generalized section of the subelement of luminous button of the invention 1.
Figure 17 is the schematic appearance of the illuminated keyboard of a specific embodiment of the invention.
Specific embodiment
Fig. 1 to Figure 16 is referred to, Fig. 1 to Figure 16 schematically depicts the luminous button 1 of a specific embodiment of the invention.Figure 1 luminous button 1 that preferred embodiment of the invention is schematically illustrated with external view.Fig. 2 and Fig. 3 send out in being respectively Fig. 1 Light button 1 along line A-A cross section view.Fig. 4 and Fig. 5 are respectively the top view of the subelement of luminous button of the invention 1.Figure 6 to Figure 16 is respectively the cross section view of the subelement of luminous button of the invention 1.
As shown in Figures 1 and 2, the luminous button 1 of a specific embodiment of the invention includes base plate 10, keycap 11, switch Film layer 12, flexible circuit 13, at least one light emitting diode bare crystalline 14 of layer and at least one protection cap 15.
As shown in Fig. 2 keycap 11 has transmission region 112, and keycap 11 is connected to base plate 10 with moving up and down Top, causes keycap 11 to be moved between non-pressing position and pressing position relative to base plate 10.In practical application, such as Fig. 1 Shown, transmission region 112 is in being presented a pattern, pattern represention character element, numeral, symbol, function key on the top surface 114 of keycap 11 In one.
Also shown in FIG. 2, switch membrane 12 is placed on base plate 10.Switch membrane 12 includes switch 122.When keycap 11 When being moved to pressing position, switch 122 activated triggering.
Also shown in FIG. 2, in specific embodiment, switch membrane 12 can be by upper thin film circuit 124 and lower thin-film electro Road 126 is constituted, and is separated upper thin film circuit 124 with lower thin film circuit 126 by insulating element 128.Switch 122 includes upper electricity The bottom electrode block 1224 of polar region block 1222 and at least one, in Fig. 2, only illustrates a bottom electrode block 1224 as generation Table.Top electrode block 1222 is formed on the lower surface 1244 of thin film circuit 124, and bottom electrode block 1224 is formed in lower film On second upper surface 1262 of circuit 126.Two insulating elements 128 are separately positioned on the both sides beyond bottom electrode block 1224. Two insulating elements 128 are respectively disposed between thin film circuit 124 and lower thin film circuit 126, to form clearance space 129, Make Top electrode block 1222 that conducting will not be surprisingly contacted before user not yet presses keycap 11 with bottom electrode block 1224.Switch 122 Top electrode block 1222 is placed in clearance space 129 with bottom electrode block 1224.The finger pressing keycap 11 of user When being moved to pressing position, Top electrode block 1222 is set to be contacted with bottom electrode block 1224, switch 122 activated triggering.
Flexible circuit layer 13 is arranged above or below base plate 10.For example, as shown in Fig. 2 switch membrane 12 is arranged at On base plate 10, flexible circuit layer 13 is arranged in switch membrane 12.Flexible circuit layer 13 includes pliability dielectric film 132 and shape Into at least one pair of pin 134a, 134b on the first upper surface 1322 of pliability dielectric film 132.Each light emitting diode A pair of pins 134a, 134b at least one pair of pin of correspondence of bare crystalline 14 134a, 134b, and each light emitting diode bare crystalline 14 include a pair of weld pads 142a, 142b.
Each light emitting diode bare crystalline 14 be fixed on flexible circuit layer 13 on, and a pair of weld pads 142a, 142b and its Corresponding a pair of pins 134a, 134b is electrically connected.For example, as shown in Fig. 2 the one of each light emitting diode bare crystalline 14 Weld pad 142a, 142b are electrically connected with adhesive surface (surface mount) mode and a pair of pins 134a, 134b. Furthermore, as shown in figure 3, a pair of weld pads 142a, 142b of each light emitting diode bare crystalline 14 engage (wire with routing Bonding) mode is electrically connected with a pair of pins 134a, 134b.There is the unit marked with duplicate numbers in Fig. 2 in Fig. 3 Part, there is same or similar structure and function, does not repeat herein.
In a specific embodiment, pliability dielectric film 132 can be by PET or polyimides institute Formed.
In a specific embodiment, at least one pair of pin 134a, 134b can be formed by copper or copper alloy.
As shown in Figures 2 and 3, one light emitting diode bare crystalline 14 of each protection cap 15 correspondence.Each protection cap 15 It is formed on flexible circuit layer 13, and covers its corresponding light emitting diode bare crystalline 14.Each light emitting diode bare crystalline 14 The the first light L1 irradiation transmission regions 112 launched.
Further, as shown in Figure 2 and Figure 3, the luminous button 1 of preferred embodiment of the invention also includes elevating mechanism 20 and reply element 22.One end of elevating mechanism 20 is movably connected keycap 11, and the other end is movably connected base plate 10. Reply the restoring force that element 22 provides the position that keycap 11 is returned to before pressing.In example shown in Fig. 2, Fig. 3, elevating mechanism 20 It is scissors lift mechanism, replys the elastic dome body of element 22.In another preferred embodiment, elevating mechanism 20 is butterfly Formula elevating mechanism, reply element 22 is shell fragment.In another preferred embodiment, reply element 22 is magnetic element, this hair The framework of bright luminous button 1 can also belong to magnetic attractive button.
Further, as shown in Figures 2 and 3, the luminous button 1 of preferred embodiment of the invention also includes the first fluorescence Bisque 17.First phosphor powder layer 17 can be formed on the basal surface 116 of keycap 11.First light L1 irradiates the first phosphor powder layer 17, it is down converted to the second light L2 through the first phosphor powder layer 17.
In a specific embodiment, the first light L1 can be black light, and the second light L2 can be visible ray.By This, if the light emitting diode bare crystalline 14 of the first light L1 of transmitting launches seams of the first light L1 between keycap 11 and base plate 10 Gap leaks, and can't be user's finding because the first light is black light, still maintains luminous button of the invention 1 It is attractive in appearance.
In another preferred embodiment, can adulterate many equally distributed fluorescent material in each protection cap 15 Grain.First light L1 irradiates many fluorescent powder grains, and the second light L2 is down converted to through many fluorescent powder grains.
Fig. 4 is referred to, Fig. 4 only shows the top view of flexible circuit layer 13 and light emitting diode bare crystalline 14.As shown in figure 4, Further, the luminous button 1 of preferred embodiment of the invention is also comprising multiple refractive bodies 18.Each correspondence of refractive body 18 One light emitting diode bare crystalline 14.Each refractive body 18 is formed on flexible circuit layer 13, and corresponding luminous around its Diode bare crystalline 14, is used to reflect the first light L1 that its corresponding light emitting diode bare crystalline 14 is launched.Have and figure in Fig. 4 The element of duplicate numbers mark, there is same or similar structure and function in 2, does not repeat herein.In a specific implementation In example, each refractive body 18 can be formed by being coated with or printing white ink.
Fig. 5 is referred to, Fig. 5 only shows the top view of flexible circuit layer 13 and light emitting diode bare crystalline 14.As shown in figure 5, Further, the luminous button 1 of preferred embodiment of the invention is also comprising multiple extinction bodies 19.Each correspondence of extinction body 19 One light emitting diode bare crystalline 14.Each extinction body 19 surround its corresponding hair to be formed on flexible circuit layer 13 Optical diode bare crystalline 14, is used to absorb the first light L1 that its corresponding light emitting diode bare crystalline 14 is launched.In Fig. 5 have with The element of duplicate numbers mark, there is same or similar structure and function in Fig. 2, does not repeat herein.It is specific real in one Apply in example, each extinction body 19 can be formed by coating or process black or dark ink.
In Fig. 4 and Fig. 5, three light emitting diode bare crystallines 14 are illustrated in figure.Three light emitting diode bare crystallines 14 can be with The first light L1 that transmitting is homochromy, thereby, luminous button of the invention 1 can be by the first light L1 uniform irradiation transmission regions 112, or the adjustable brightness for irradiating transmission region 112.Three light emitting diode bare crystallines 14 can also launch not homochromy One light L1, thereby, luminous button of the invention 1 can change the color of the mixed light light of irradiation transmission region 112.
Fig. 6 is referred to, Fig. 6 is the cross section view of the subelement of luminous button of the invention 1.Flexible circuit layer 13 can Flexible insulation film 132 is same element with the upper thin film circuit 124 of switch membrane 12.Thereby, luminous button of the invention 1 can To be further thinned.There is the element marked with duplicate numbers in Fig. 2 in Fig. 6, there is same or similar structure and function, Do not repeat herein.
Fig. 6 is also illustrated in, further, luminous button of the invention 1 also includes at least one second fluorescence coating 24.Each Two fluorescence coating 24 correspondence one light emitting diode bare crystalline 14 and a protection cap 15.Each second fluorescence coating 24 forms to cover Its corresponding light emitting diode bare crystalline 14 is covered, row forms each to cover to each corresponding protection cap 15 of the second fluorescence coating 24 again Individual second fluorescence coating 24.
Fig. 7 is referred to, Fig. 7 is the cross section view of the subelement of luminous button of the invention 1.As shown in fig. 7, in a tool In body embodiment, the position set by flexible circuit layer 13 may be located between switch membrane 12 and base plate 10.Switch membrane 12 With at least one first hollow-out parts 127.Each first hollow-out parts 127 one light emitting diode bare crystalline 14 of correspondence.Each Light emitting diode bare crystalline 14 is located at its lower section of corresponding first hollow-out parts 127.Have in Fig. 7 and duplicate numbers mark in Fig. 6 Element, there is same or similar structure and function, does not repeat herein.
Fig. 8 is referred to, Fig. 8 is the cross section view of the subelement of luminous button of the invention 1.As shown in figure 8, in another In specific embodiment, the position position set by flexible circuit layer 13 is below base plate 10.Switch membrane 12 has at least one the One hollow-out parts 127.Base plate 10 has at least one second hollow-out parts 102.Each first hollow-out parts 127 correspondence one second is engraved Empty portion 102 and a light emitting diode bare crystalline 14.Each light emitting diode bare crystalline 14 is in its corresponding first hollow-out parts 127 And its lower section of corresponding second hollow-out parts 102.There is the element marked with duplicate numbers in Fig. 6 in Fig. 8, there is same or like Structure and function, do not repeat herein.
Fig. 9 is referred to, Fig. 9 is the cross section view of the subelement of luminous button of the invention 1.As shown in figure 9, in another In specific embodiment, on base plate 10, i.e., flexible circuit layer 13 is located at switch membrane 12 to the position set by flexible circuit layer 13 Between base plate 10.The pliability dielectric film 132 of flexible circuit layer 13 is same with the lower thin film circuit 126 of switch membrane 12 Element.Thereby, luminous button of the invention 1 can further be thinned.Upper thin film circuit 124 has at least one the 3rd hollow outs Portion 1246.Insulating element 128 has at least one the 4th hollow-out parts 1282.Each light emitting diode bare crystalline 14 correspondence one the Three hollow-out parts 1246 and the 4th hollow-out parts 1282, each light emitting diode bare crystalline 14 is in its corresponding 3rd hollow-out parts 1246 and its corresponding 4th hollow-out parts 1282 in.In Fig. 9 have with Fig. 6 duplicate numbers mark element, have it is identical or Similar structure and function, does not repeat herein.
Figure 10 is referred to, Figure 10 is the cross section view of the subelement of luminous button of the invention 1.Implementation shown in Figure 10 Example is generally identical with the embodiment shown in Fig. 9, that is to say, that the pliability dielectric film 132 and switch membrane of flexible circuit layer 13 The lower thin film circuit 126 of layer 12 is same element.Difference is that Tu10Zhong, two bottom electrode blocks 1224 are shown.Switch 122 and comprising at least one wire 1226, at least one wire 1226 is formed in the second upper surface of lower thin film circuit 126 On 1262, a wire 1226 is only illustrated in Figure 10.The each one bottom electrode block 1224 of correspondence of wire 1226, and with Its corresponding bottom electrode block 1224 is electrically connected with.Corresponding 3rd hollow-out parts 1246 and its corresponding 4th hollow-out parts In 1282.There is the element marked with duplicate numbers in Fig. 9 in Figure 10, have same or similar structure and function, herein not Repeat more.
Figure 11 is referred to, Figure 11 is the cross section view of the subelement of luminous button of the invention 1.As shown in figure 11, in In another specific embodiment, the position set by flexible circuit layer 13 is on base plate 10.Flexible circuit layer 13 and insulating element 128 It is same element.That is, the position set by flexible circuit layer 13 is in upper thin film circuit 124 and lower thin film circuit 126 Between.Thereby, luminous button of the invention 1 can further be thinned.Upper thin film circuit 124 has at least one the 3rd hollow outs Portion 1246 (as shown in Figure 9).Each light emitting diode bare crystalline 14 one the 3rd hollow-out parts 1246 of correspondence, each luminous two Pole pipe bare crystalline 14 is in its corresponding 3rd hollow-out parts 1246.There is the element marked with duplicate numbers in Fig. 6 in Figure 11, there is phase Same or similar structure and function, does not repeat herein.
As shown in Fig. 2, Fig. 3, Fig. 6, Fig. 7 and Fig. 8, further, the luminous button 1 of preferred embodiment of the invention is also Comprising light modulation diaphragm 16.Light modulation diaphragm 16 can be arranged on flexible circuit layer 13.
In a specific embodiment, light modulation diaphragm 16 can be brightening film sheet.
In another specific embodiment, light modulation diaphragm 16 can be diffusion barrier sheet.As the light modulation diaphragm 16 of diffusion barrier sheet Comprising at least one camera lens part 162.Each camera lens part 162 one light emitting diode bare crystalline 14 of correspondence, and each camera lens Portion 162 in the top of corresponding light emitting diode bare crystalline 14, as shown in Fig. 2, Fig. 3, Fig. 6, Fig. 7 and Fig. 8.
Figure 12 to Figure 16 is referred to, the section that Figure 12 to Figure 16 is respectively the subelement of luminous button of the invention 1 is regarded Figure.In practical application, the pattern that transmission region 112 is presented is complicated and each is different, and light emitting diode bare crystalline 14 can set The position put is limited, and in order to effectively apply the luminous efficiency of light emitting diode bare crystalline 14, each is luminous for light modulation diaphragm 16 correspondence The camera lens part 162 of diode bare crystalline 14 its shape can be appropriate design.For example, as shown in figure 12, three light emitting diode bare crystallines 14 is adjacent, the part of the corresponding left side light emitting diode bare crystalline 14 of diaphragm 16 is dimmed without camera lens part 162, in the middle of the light modulation correspondence of diaphragm 16 The part of light emitting diode bare crystalline 14 has inverted V-shape and towards the camera lens part 162 of light emitting diode bare crystalline 14, dims diaphragm 16 There is height to rise and fall (or zigzag) and towards light emitting diode bare crystalline 14 for the part of correspondence the right light emitting diode bare crystalline 14 Camera lens part 162.As shown in figure 13, three light emitting diode bare crystallines 14 are adjacent, and light modulation diaphragm 16 corresponds to adjacent three and lights There is continuous height to rise and fall and towards three camera lens parts of light emitting diode bare crystalline 14 162 for the part of diode bare crystalline 14.Thereby, The first light L1 that light modulation diaphragm 16 can launch light emitting diode bare crystalline 14 directs into the corresponding position of transmission region 112.
As shown in Figure 14, Figure 15 and Figure 16, luminous button of the invention 1 is that programmed change the luminous of glow color is pressed Key, several light emitting diode bare crystallines 14 are respectively into multiple groups.In Figure 14, three light emitting diode bare crystallines, 14 one-tenth one groups Group, three light emitting diode bare crystalline groups are adjacent, dim the part tool of the corresponding left side group light emitting diode bare crystalline 14 of diaphragm 16 There is the first convex mirror head 162 for covering three light emitting diode bare crystallines 14, the first convex mirror head 162 is located at light modulation diaphragm 16 Surface away from light emitting diode bare crystalline 14 protrudes above, the part of group's light emitting diode bare crystalline 14 in the middle of the light modulation correspondence of diaphragm 16 With three the second convex mirror heads 162 of light emitting diode bare crystalline 14 are covered, the second convex mirror head 162 is located at light modulation diaphragm 16 towards on the surface of light emitting diode bare crystalline 14, and the second convex lens 162 are directed away from light emission direction protrusion, light modulation film The part of the corresponding the right group light emitting diode bare crystalline 14 of piece 16 has covers three the 3rd convex surfaces of light emitting diode bare crystalline 14 Camera lens part 162, the 3rd convex mirror head 162 is located at light modulation diaphragm 16 and is protruded above away from the surface of light emitting diode bare crystalline 14.By This, the corresponding position of the mixed light ray guidance that light modulation diaphragm 16 can launch light emitting diode bare crystalline 14 to transmission region 112.
In Figure 15, three light emitting diode bare crystallines, 14 one-tenth one groups, three light emitting diode bare crystalline groups are adjacent, light modulation The part of the corresponding left side group light emitting diode bare crystalline 14 of diaphragm 16 has three and covers three light emitting diode bare crystallines 14 respectively Convex surface camera lens part 162, three convex mirror heads 162 correspond with three light emitting diode bare crystallines 14, three convex mirrors Head 162 is located at light modulation diaphragm 16 and is protruded above away from the surface of light emitting diode bare crystalline 14, group in the middle of the light modulation correspondence of diaphragm 16 The part of light emitting diode bare crystalline 14 has three and covers a convex mirror head 162 for light emitting diode bare crystalline 14, three respectively Individual convex mirror head 162 is corresponded with three light emitting diode bare crystallines 14, and three convex mirror heads 162 are located at light modulation diaphragm 16 Towards on the surface of light emitting diode bare crystalline 14, and three convex mirror heads 162 are directed away from light emission direction protrusion, dim diaphragm There are three to cover the convex of three light emitting diode bare crystallines 14 respectively for the part of 16 correspondence the right group light emitting diode bare crystallines 14 Face camera lens part 162, three convex mirror heads 162 are corresponded with three light emitting diode bare crystallines 14, three convex mirror heads 162 Protruded above away from the surface of light emitting diode bare crystalline 14 positioned at light modulation diaphragm 16.Similarly, light modulation diaphragm 16 can be by luminous two Corresponding position of the mixed light ray guidance of the transmitting of pole pipe bare crystalline 14 to transmission region 112.
In Figure 16, three light emitting diode bare crystallines, 14 one-tenth one groups, three light emitting diode bare crystalline groups are adjacent, light modulation The part of the corresponding left side group light emitting diode bare crystalline 14 of diaphragm 16 has covers three continuous height of light emitting diode bare crystalline 14 The camera lens part 162 of low fluctuating, and camera lens part 162 is arranged at light modulation diaphragm 16 away from the surface of light emitting diode bare crystalline 14, adjusts The part of group light emitting diode bare crystalline 14 has and covers the continuous of three light emitting diode bare crystallines 14 in the middle of the correspondence of light diaphragm 16 The camera lens part 162 that height rises and falls, and camera lens part 162 is arranged at light modulation diaphragm 16 towards on the surface of light emitting diode bare crystalline 14, The part of the corresponding the right group light emitting diode bare crystalline 14 of light modulation diaphragm 16 has covers three companies of light emitting diode bare crystalline 14 The camera lens part 162 that continuous height rises and falls, and camera lens part 162 is located at light modulation diaphragm 16 away from the surface of light emitting diode bare crystalline 14. Thereby, corresponding position of the mixed light ray guidance that light modulation diaphragm 16 can launch light emitting diode bare crystalline 14 to transmission region 112.
Figure 17 is referred to, Figure 17 schematically illustrates the illuminated keyboard 3 of preferred embodiment of the invention with external view. As shown in figure 16, the illuminated keyboard 3 of a preferred embodiment of the invention includes the luminous button 1 of multiple the invention described above.
By above detailed description of the invention, it is apparent that luminous button of the invention 1 does not use previous skill The light-emitting diode for having encapsulated that art is used and change using light emitting diode bare crystalline 14.Due to the light-emitting diodes for having encapsulated The height of both tube elements and light emitting diode bare crystalline 14 is very different, so luminous button of the invention 1 and illuminated keyboard 3 can To be further thinned.Also, illuminated keyboard of the invention 3 has no the back lighting device of the use light guide plate of prior art, so Relative much smaller of the power of the light emitting diode bare crystalline 14 for being used, therefore, illuminated keyboard of the invention 3 is required luminous Power consumption is smaller.
By the detailed description of above preferred embodiment, it would be desirable to more clearly describe feature of the invention with essence God, and not with above-mentioned disclosed preferred embodiment come to of the invention towards being any limitation as.On the contrary, the purpose is to Wish to cover various changes and tool equality is arranged in the inward-facing of the scope of the claims to be applied of the invention.Therefore, originally Invent apllied the scope of the claims towards most broad explanation should be made according to above-mentioned explanation, with cause its cover it is all can The change of energy and the arrangement of tool equality.

Claims (19)

1. a kind of luminous button, it is characterised in that the luminous button is included:
Base plate;
Keycap, it has transmission region, and the keycap can up or down be connected to the top of the base plate, causes the keycap relative Moved between non-pressing position and pressing position in the base plate;
Switch membrane, it is arranged on the base plate, and the switch membrane includes switch, wherein when the keycap is moved to the pressing position When, the switch activated triggering;
The lower section of flexible circuit layer, its top for being arranged at the base plate or the base plate, flexible circuit layer includes pliability insulation Film and at least one pair of pin being formed on the first upper surface of the pliability dielectric film;
At least one light emitting diode bare crystalline, each light emitting diode bare crystalline to should be at least one pair of pin draw for a pair Pin, and each light emitting diode bare crystalline includes a pair of weld pads, and each light emitting diode bare crystalline is fixed on the flexible circuit On layer and the corresponding a pair of pins of its a pair of weld pad is electrically connected;And
At least one protection cap, each protection cap one light emitting diode bare crystalline of correspondence, it is soft that each protection cap is formed in this On property circuit layer and cover its corresponding light emitting diode bare crystalline;
Wherein, the first light that each light emitting diode bare crystalline is launched irradiates the transmission region.
2. luminous button as claimed in claim 1, it is characterised in that also comprising light modulation diaphragm, the light modulation diaphragm is arranged on this On flexible circuit layer.
3. luminous button as claimed in claim 2, it is characterised in that the light modulation diaphragm is brightening film sheet or diffusion barrier sheet.
4. luminous button as claimed in claim 2, it is characterised in that the light modulation diaphragm includes at least one camera lens part, each Individual camera lens part corresponds to a light emitting diode bare crystalline and in the top of its corresponding light emitting diode bare crystalline.
5. luminous button as claimed in claim 1, it is characterised in that also comprising the first phosphor powder layer, first phosphor powder layer It is formed on the basal surface of the keycap, first light irradiates first phosphor powder layer, is changed through the first phosphor powder layer frequency reducing Into the second light.
6. luminous button as claimed in claim 5, it is characterised in that first light is black light, second light is Visible ray.
7. luminous button as claimed in claim 1, it is characterised in that many of doping is equally distributed glimmering in each protection cap Light powder particles, first light irradiates many fluorescent powder grains, and the second light is down converted to through many fluorescent powder grains.
8. luminous button as claimed in claim 1, it is characterised in that also comprising multiple refractive bodies, each refractive body correspondence One light emitting diode bare crystalline, each refractive body is formed in flexible circuit layer above and around its corresponding one luminous two Pole pipe bare crystalline, and be used to reflect first light that its corresponding light emitting diode bare crystalline is launched.
9. luminous button as claimed in claim 1, it is characterised in that also comprising multiple extinction bodies, each extinction body correspondence One light emitting diode bare crystalline, each extinction body is formed in flexible circuit layer above and around its corresponding light emitting diode Bare crystalline, and be used to absorb first light that its corresponding light emitting diode bare crystalline is launched.
10. luminous button as claimed in claim 1, it is characterised in that the pliability dielectric film is by poly terephthalic acid second two Ester or polyimides are formed.
11. luminous buttons as claimed in claim 10, it is characterised in that at least one pair of pin is selected from by copper or copper alloy institute Formed.
12. luminous buttons as claimed in claim 1, it is characterised in that flexible circuit layer is in the switch membrane and the base plate Between, the switch membrane has at least one first hollow-out parts, and each first hollow-out parts corresponds to a light emitting diode bare crystalline, Each light emitting diode bare crystalline is in its corresponding first hollow-out parts.
13. luminous buttons as claimed in claim 1, are characterised by, the flexible circuit layer below the base plate, the switch membrane With at least one first hollow-out parts, the base plate has at least one second hollow-out parts, each first hollow-out parts correspondence one Second hollow-out parts and a light emitting diode bare crystalline, each light emitting diode bare crystalline in its corresponding first hollow-out parts and In its corresponding second hollow-out parts.
14. luminous buttons as claimed in claim 1, it is characterised in that also comprising at least one second fluorescence coatings, each Two fluorescence coatings correspondence one light emitting diode bare crystalline and a protection cap, each second fluorescence coating form to cover its correspondence A light emitting diode bare crystalline, each corresponding protection cap of the second fluorescence coating is covering the fluorescence coating of this second.
15. luminous buttons as claimed in claim 14, it is characterised in that the switch membrane includes upper thin film circuit, lower film Circuit and insulating element, the insulating element separate thin film circuit on this with the lower thin film circuit, and the switch includes Top electrode Block and at least one bottom electrode block, the Top electrode block are formed on this on lower surface of thin film circuit, and this at least one Individual bottom electrode block is formed on the second upper surface of the lower thin film circuit, the pliability dielectric film with this on thin film circuit be same One element.
16. luminous buttons as claimed in claim 14, it is characterised in that the switch membrane includes upper thin film circuit, lower film Circuit and insulating element, the insulating element separate thin film circuit on this with the lower thin film circuit, and the switch includes Top electrode Block and at least one bottom electrode block, the Top electrode block are formed on this on lower surface of thin film circuit, and this at least one Individual bottom electrode block is formed on the second upper surface of the lower thin film circuit, and the pliability dielectric film is same with the lower thin film circuit One element, flexible circuit layer is set on which floor plate, and thin film circuit has at least one the 3rd hollow-out parts, the isolation on this Component has at least one the 4th hollow-out parts, each light emitting diode bare crystalline correspondence one the 3rd hollow-out parts and one the 4th Hollow-out parts, each light emitting diode bare crystalline position is in its corresponding 3rd hollow-out parts and its corresponding 4th hollow-out parts.
17. luminous buttons as claimed in claim 14, it is characterised in that the switch membrane and comprising upper thin film circuit, under Thin film circuit and insulating element, the insulating element separate thin film circuit on this with the lower thin film circuit, and the switch is comprising upper Electrode block and at least one bottom electrode block, the Top electrode block are formed on this on lower surface of thin film circuit, and this is extremely A few bottom electrode block is formed on the second upper surface of the lower thin film circuit, and flexible circuit layer is arranged on thin-film electro on this Between road and the lower thin film circuit, flexible circuit layer and the insulating element are same element, and thin film circuit has extremely on this Few 3rd hollow-out parts, each light emitting diode bare crystalline one the 3rd hollow-out parts of correspondence, each light emitting diode bare crystalline In its corresponding 3rd hollow-out parts.
18. luminous buttons as claimed in claim 1, it is characterised in that also comprising elevating mechanism and reply element, the lifting One end of mechanism is movably connected the keycap, and the other end is movably connected the base plate, and the reply element provides the keycap Restoring force.
19. a kind of illuminated keyboards, it is characterised in that the keyboard includes multiple hairs as any one of claim 1 to 18 Light button.
CN201611250588.1A 2016-12-29 2016-12-29 Luminous button and illuminated keyboard comprising luminous button Active CN106783308B (en)

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CN107706025A (en) * 2017-08-25 2018-02-16 苏州达方电子有限公司 Button and the keyboard comprising the button
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CN107180717A (en) * 2017-06-21 2017-09-19 苏州达方电子有限公司 Luminous button and the illuminated keyboard comprising the luminous button
CN107706025A (en) * 2017-08-25 2018-02-16 苏州达方电子有限公司 Button and the keyboard comprising the button
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CN109346360B (en) * 2018-05-23 2020-03-27 苏州达方电子有限公司 Dual function circuit assembly for light emitting key and method of manufacturing the same
CN110752109A (en) * 2019-09-16 2020-02-04 苏州达方电子有限公司 Backlight module and manufacturing method thereof
TWI798573B (en) * 2020-08-05 2023-04-11 群光電能科技股份有限公司 Illuminated keyboard
TWI814558B (en) * 2020-08-05 2023-09-01 群光電能科技股份有限公司 Backlight module of illuminated keyboard
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TWI797730B (en) * 2021-08-25 2023-04-01 達方電子股份有限公司 Backlight moudule nad lightingkeyboard
US11923156B2 (en) 2021-08-25 2024-03-05 Darfon Electronics Corp. Backlight module and lighting keyboard
US12019261B2 (en) 2021-08-25 2024-06-25 Darfon Electronics Corp. Illuminant circuit board, backlight module and lighting keyboard
US11881363B2 (en) 2022-03-31 2024-01-23 Darfon Electronics Corp. Lighting keyboard, backlight module and lighting board
US11977250B2 (en) 2022-03-31 2024-05-07 Darfon Electronics Corp. Lighting keyboard, backlight module and lighting substrate

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