WO2014036784A1 - Luminescent keyboard - Google Patents

Luminescent keyboard Download PDF

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Publication number
WO2014036784A1
WO2014036784A1 PCT/CN2012/084357 CN2012084357W WO2014036784A1 WO 2014036784 A1 WO2014036784 A1 WO 2014036784A1 CN 2012084357 W CN2012084357 W CN 2012084357W WO 2014036784 A1 WO2014036784 A1 WO 2014036784A1
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WO
WIPO (PCT)
Prior art keywords
guide plate
light guide
light
backlight
key
Prior art date
Application number
PCT/CN2012/084357
Other languages
French (fr)
Chinese (zh)
Inventor
袁建君
Original Assignee
Yuan Jianjun
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Filing date
Publication date
Application filed by Yuan Jianjun filed Critical Yuan Jianjun
Publication of WO2014036784A1 publication Critical patent/WO2014036784A1/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches 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
    • H01H13/83—Switches 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2209/00—Layers
    • H01H2209/024—Properties of the substrate
    • H01H2209/038—Properties of the substrate transparent
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2209/00—Layers
    • H01H2209/068—Properties of the membrane
    • H01H2209/082—Properties of the membrane transparent
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/054—Optical elements
    • H01H2219/056—Diffuser; Uneven surface
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2219/00—Legends
    • H01H2219/054—Optical elements
    • H01H2219/062—Light conductor

Definitions

  • the utility model belongs to the field of keyboards, in particular to an illuminated keyboard.
  • keyboards are widely used as input devices in various fields.
  • ordinary keyboards are usually not used in dark environments, and external lights are required for input. For this reason, a light-emitting function has appeared on the market.
  • the keyboard is arranged such that the light source is disposed between the button and the circuit layer below the button, and the connection between the button and the circuit layer is completed by opening a hole in the light source in advance, such a structure is produced. The production process will increase and the production cost will increase.
  • the object of the present invention is to provide an illuminated keyboard, which aims to solve the problem of high production cost of the light source in the prior art.
  • An illuminated keyboard comprising an upper cover and a lower cover, and a key combination formed by a key cap, a middle plate and a circuit layer, the key combination being fixed between the upper cover and the lower cover, the surface of the key cap having light leakage a light-emitting material is disposed on the middle plate and the circuit layer, and a light-emitting module is disposed under the button combination, the light-emitting module includes a light guide plate, a backlight, and a reflective film, and the light guide plate has sides A backlight is disposed, and the reflective film is disposed under the light guide plate.
  • the light guide plate has a plurality of pits.
  • the pits are conical.
  • the lower surface of the light guide plate is provided with a plurality of pits.
  • the light guide plate is composed of at least two pieces combined.
  • the reflective film has a bent portion on at least one side.
  • the light reflecting film is composed of at least two pieces combined.
  • the backlight has a strip shape and has a plurality of raised lamp beads, and a side of the light guide plate connected to the backlight is provided with an opening for accommodating the lamp bead, the opening and the opening The lamp beads correspond.
  • the lower cover is provided with a surrounding bone capable of limiting the light guide plate, the backlight and the reflective film.
  • the backlight in the light emitting module emits light, and the light is irradiated onto the side cross section of the light guide plate, and the light guide plate refracts the light upward and downward.
  • the reflective film reflects the downwardly refracted light upwards to the button combination.
  • the middle plate and the circuit layer of the button combination are made of a light transmissive material, and the light continues to be emitted upward through the light leakage key of the key cap.
  • Figure 1 is a schematic exploded view of the product provided by the utility model
  • Figure 2 is a side cross-sectional view of the product provided by the present invention.
  • an embodiment of the present invention provides an illuminated keyboard, including an upper cover 1 and a lower cover 2, and a key cap. 31, the middle plate 32 and the circuit layer 33 constitute a key combination 3, the key combination 3 is fixed between the upper cover 1 and the lower cover 2, the surface of the key cap 31 has a light leakage key, the middle plate
  • the light-emitting layer 4 is disposed under the button combination 3, and the light-emitting module 4 includes a light guide plate 41, a backlight 42 and a reflective film.
  • the light guide plate 41 is provided with a backlight 42 on the side thereof, and the reflective film 43 is disposed under the light guide plate 41.
  • the light-emitting module 4 When the illuminated keyboard provided by the present invention is in operation, the light-emitting module 4 The backlight 42 is illuminated to illuminate a side cross section of the light guide plate 41.
  • the light guide plate 41 refracts the light upward and downward, and the reflective film 43 reflects the downwardly refracted light upward to the key combination.
  • the middle plate 32 and the circuit layer 33 of the button combination 4 are made of a light transmissive material, and the light continues to pass up through the key cap 31 The light leakage key is emitted.
  • Such a structural design avoids the disadvantages of the prior art that the light guide plate is too expensive to produce, and the light is more softly reflected after being refracted and reflected, and does not cause irritation to the user's eyes.
  • the light guide plate 41 has a plurality of pits 411 After the light passes through the pit 411, reflection and refraction are generated, so that the light emitted by the entire light guide plate 41 is uniform, and the light displayed by the light leakage key of the key cap 31 is uniform.
  • the pit 411 has a conical shape, the cone bottom is the opening of the pit 411, and the cone tip is located at the pit 411 Inside, when the backlight 42 on the side of the light guide plate 41 is incident on the side of the light guide plate 41, the pit 411 is encountered. After the upward or downward reflection, the direction of the light reflection is more accurate.
  • a preferred embodiment of the present embodiment is to provide a plurality of pits on the lower surface of the light guide plate 41, and light entering the light guide plate 41. After that, it encounters a conical pit 411 and then reflects downward. After the light encounters the reflective film 43, it is reflected upward and again encounters a pit 411. Part of the light is reflected again, and it is reciprocated a plurality of times, so that the light is uniformly and gently irradiated to the key combination 3 part, and finally the light leakage key of the key cap 31 is irradiated to achieve the purpose of the keyboard key illumination.
  • the light guide plate 41 is formed by combining at least two pieces, and the light guide plate 41 is formed in a desired shape. It is divided into multiple pieces and then spliced into a whole light guide plate 41. The light guide 41 is manufactured separately and then assembled into the keyboard, which can greatly reduce the production cost of the light guide plate 41.
  • the reflective film is specially designed.
  • One side of the 43 is set as the bent portion 431, and the light is reflected back by the bent portion 431 of the reflective film 43 to effectively prevent light leakage, and the reflective film 43 is integrally formed by punching, and the bent portion 431 is formed.
  • the edge of the light guide plate 41 is wrapped, and the production is simple, and the manual sealing operation is not required, thereby reducing the production cost and improving the production efficiency.
  • the light reflecting film 43 is composed of at least two sheets, and the reflecting film composed of a plurality of sheets is combined. 43.
  • the single-chip area is reduced, the equipment requirements for stamping production are reduced, and the production cost of the whole piece can be greatly reduced.
  • the backlight 42 has a strip shape and has a plurality of raised lamp beads 421, and the backlight 42 It is composed of a strip-shaped circuit board and a solder ball 421 soldered on its surface.
  • the side of the light guide plate 41 connected to the backlight 42 is provided with an opening 412 for accommodating the lamp bead 421, and the backlight is used.
  • the opening 412 corresponds to the lamp bead 421
  • the lamp bead 421 is embedded in the opening 412, and the lamp bead 421
  • the angle of illumination of the emitted light is greatly increased to an angle of less than or equal to 180 degrees, so that light is incident on the light guide plate 41 more fully.
  • the lower cover 2 is provided with the light guide plate 41, the backlight 42 and the reflective film 43.
  • the limiting bone 21 is disposed, and the reflective film 43 in the light-emitting module 4 is placed in the lower cover 2, and the bent portion 431 of the reflective film 43 leans against the surrounding bone 21
  • the inner wall of the light guide plate 41 and the backlight 42 are placed above the reflective film 43.
  • the outer edge of the backlight 42 leans against one side of the surrounding bone 21, and the light guide plate 41
  • One side of the backlight 42 is not connected to the bent portion 431 of the reflective film 43 to function as a fixed light-emitting module 4.
  • This design is not only convenient for assembly, but also does not require the light-emitting module 4
  • the parts are pasted.

Landscapes

  • Push-Button Switches (AREA)
  • Planar Illumination Modules (AREA)

Abstract

A luminescent keyboard comprises an upper cover (1), a lower cover (2) and a key combination unit (3) formed by key caps (31), a middle plate (32) and a circuit layer (33). The key combination unit is fixed between the upper cover and the lower cover; light leakage key marks are arranged on surfaces of the key caps; and the middle plate and the circuit layer are made of light-permeable materials. A luminescent module (4) is arranged below the key combination unit, and comprises a light guide plate (41), a backlight source (42) and a reflective membrane (43). The backlight source is arranged at a side of the light guide plate, and the reflective membrane is arranged below the light guide plate. Structural design of the luminescent keyboard avoids a defect of high production cost of a light guide plate in the prior art. Light becomes softer after refraction and reflection, and does not cause irritation on eyes of a user.

Description

一种发光键盘  Illuminated keyboard 技术领域Technical field
本实用新型属于键盘领域，尤其涉及一种发光键盘 。  The utility model belongs to the field of keyboards, in particular to an illuminated keyboard.
背景技术Background technique
键盘作为输入设备被广泛使用在各个领域，而在现有技术中，普通的键盘通常无法在黑暗的环境下使用，需要借助外界灯光才能进行输入，为此，市场上出现了一种具有发光功能的键盘，而此类发光键盘是将发光源设于按键与按键下方的电路层之间，按键与电路层之间的连接是通过预先在发光源上开洞而完成的，这样的结构在生产过程中会增加生产工序，增加生产成本。 Keyboards are widely used as input devices in various fields. In the prior art, ordinary keyboards are usually not used in dark environments, and external lights are required for input. For this reason, a light-emitting function has appeared on the market. The keyboard is arranged such that the light source is disposed between the button and the circuit layer below the button, and the connection between the button and the circuit layer is completed by opening a hole in the light source in advance, such a structure is produced. The production process will increase and the production cost will increase.
技术问题technical problem
本实用新型的目的在于提供一种 发光键盘 ，旨在解决现有技术中发光源生产成本高的问题。  The object of the present invention is to provide an illuminated keyboard, which aims to solve the problem of high production cost of the light source in the prior art.
技术解决方案Technical solution
本实用新型是这样实现的， 一种发光键盘，包括上盖和下盖，以及由键帽、中板和电路层构成的按键组合，所述按键组合固定于所述上盖和下盖之间，所述键帽表面具有漏光键标，所述中板和电路层均采用可透光的材质，在所述按键组合下方设发光模组，所述发光模组包含导光板、背光源和反光膜，所述导光板侧边设有背光源，所述反光膜设于所述导光板下方。 The utility model is realized in this way, An illuminated keyboard comprising an upper cover and a lower cover, and a key combination formed by a key cap, a middle plate and a circuit layer, the key combination being fixed between the upper cover and the lower cover, the surface of the key cap having light leakage a light-emitting material is disposed on the middle plate and the circuit layer, and a light-emitting module is disposed under the button combination, the light-emitting module includes a light guide plate, a backlight, and a reflective film, and the light guide plate has sides A backlight is disposed, and the reflective film is disposed under the light guide plate.
优选地，所述导光板具有多个凹点。 Preferably, the light guide plate has a plurality of pits.
优选地，所述凹点呈圆锥形。 Preferably, the pits are conical.
优选地，所述导光板下表面设有多个凹点。 Preferably, the lower surface of the light guide plate is provided with a plurality of pits.
优选地，所述导光板由至少两片组合而成。 Preferably, the light guide plate is composed of at least two pieces combined.
优选地，所述反光膜至少一边具有折弯部。 Preferably, the reflective film has a bent portion on at least one side.
优选地，所述反光膜由至少两片组合构成。 Preferably, the light reflecting film is composed of at least two pieces combined.
优选地，所述背光源呈条状且具有多个凸起的灯珠，所述导光板与所述背光源连接的侧边设有可容纳所述灯珠的开口，所述开口与所述灯珠对应。 Preferably, the backlight has a strip shape and has a plurality of raised lamp beads, and a side of the light guide plate connected to the backlight is provided with an opening for accommodating the lamp bead, the opening and the opening The lamp beads correspond.
优选地，所述下盖设有可对所述导光板、背光源及反光膜进行限位的围骨。  Preferably, the lower cover is provided with a surrounding bone capable of limiting the light guide plate, the backlight and the reflective film.
有益效果Beneficial effect
依借上述技术方案，本实用新型所提供的发光键盘在工作时，发光模组中的背光源发光，将光线照射到所述导光板的侧边截面上，所述导光板将光线向上下折射，所述反光膜将向下折射的光线向上反射到按键组合，所述按键组合的中板和电路层均采用可透光的材质，光线继续向上通过键帽的漏光键标射出。这样的结构设计避免了现有技术中的导光板生产成本过高的弊端，并且光线经过折射和反射后射出更加柔和，对使用者的眼睛不会造成刺激。 According to the above technical solution, when the illuminated keyboard provided by the present invention is in operation, the backlight in the light emitting module emits light, and the light is irradiated onto the side cross section of the light guide plate, and the light guide plate refracts the light upward and downward. The reflective film reflects the downwardly refracted light upwards to the button combination. The middle plate and the circuit layer of the button combination are made of a light transmissive material, and the light continues to be emitted upward through the light leakage key of the key cap. Such a structural design avoids the disadvantages of excessive production cost of the light guide plate in the prior art, and the light is more softly reflected after being refracted and reflected, and does not cause irritation to the user's eyes.
附图说明DRAWINGS
图 1 是本实用新型 提供的产品分解示意图； Figure 1 is a schematic exploded view of the product provided by the utility model;
图 2 是本实用新型 提供的产品侧视剖视图。 Figure 2 is a side cross-sectional view of the product provided by the present invention.
本发明的实施方式Embodiments of the invention
为了使本实用新型的目的、技术方案及优点更加清楚明白，以下结合附图及实施例，对本实用新型进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本实用新型，并不用于限定本实用新型。 In order to make the objects, technical solutions and advantages of the present invention more comprehensible, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
参照图 1 和图 2 所示，本实用新型实施例提供一种发光键盘，包括上盖 1 和下盖 2 ，以及由键帽 31 、中板 32 和电路层 33 构成的按键组合 3 ，所述按键组合 3 固定于所述上盖 1 和下盖 2 之间，所述键帽 31 表面具有漏光键标，所述中板 32 和电路层 33 均采用可透光的材质，在所述按键组合 3 下方设发光模组 4 ，所述发光模组 4 包含导光板 41 、背光源 42 和反光膜 43 ，所述导光板 41 侧边设有背光源 42 ，所述反光膜 43 设于所述导光板 41 下方，依借上述技术方案，本实用新型所提供的发光键盘在工作时，发光模组 4 中的背光源 42 发光，将光线照射到所述导光板 41 的侧边截面上，所述导光板 41 将光线向上下折射，所述反光膜 43 将向下折射的光线向上反射到按键组合 4 ，所述按键组合 4 的中板 32 和电路层 33 均采用可透光的材质，光线继续向上通过键帽 31 的漏光键标射出，这样的结构设计避免了现有技术中的导光板生产成本过高的弊端，并且光线经过折射和反射后射出更加柔和，对使用者的眼睛不会造成刺激。 Referring to FIG. 1 and FIG. 2, an embodiment of the present invention provides an illuminated keyboard, including an upper cover 1 and a lower cover 2, and a key cap. 31, the middle plate 32 and the circuit layer 33 constitute a key combination 3, the key combination 3 is fixed between the upper cover 1 and the lower cover 2, the surface of the key cap 31 has a light leakage key, the middle plate The light-emitting layer 4 is disposed under the button combination 3, and the light-emitting module 4 includes a light guide plate 41, a backlight 42 and a reflective film. The light guide plate 41 is provided with a backlight 42 on the side thereof, and the reflective film 43 is disposed under the light guide plate 41. According to the above technical solution, when the illuminated keyboard provided by the present invention is in operation, the light-emitting module 4 The backlight 42 is illuminated to illuminate a side cross section of the light guide plate 41. The light guide plate 41 refracts the light upward and downward, and the reflective film 43 reflects the downwardly refracted light upward to the key combination. 4, the middle plate 32 and the circuit layer 33 of the button combination 4 are made of a light transmissive material, and the light continues to pass up through the key cap 31 The light leakage key is emitted. Such a structural design avoids the disadvantages of the prior art that the light guide plate is too expensive to produce, and the light is more softly reflected after being refracted and reflected, and does not cause irritation to the user's eyes.
为了能够使背光源 42 所提供的光线分布均匀，所述导光板 41 具有多个凹点 411 ，光线经过所述凹点 411 后产生反射和折射，使整个导光板 41 所发出的光线均匀，通过键帽 31 的漏光键标显示出来的光亮一致。 In order to make the light distribution provided by the backlight 42 uniform, the light guide plate 41 has a plurality of pits 411 After the light passes through the pit 411, reflection and refraction are generated, so that the light emitted by the entire light guide plate 41 is uniform, and the light displayed by the light leakage key of the key cap 31 is uniform.
进一步地，所述凹点 411 呈圆锥形，锥底为所述凹点 411 的开口处，锥尖位于所述凹点 411 的内部，当所述导光板 41 侧面的背光源 42 向导光板 41 侧面射入光线后，遇到所述凹点 411 后发生向上或者向下的反射，使光线反射的方向更加准确。 Further, the pit 411 has a conical shape, the cone bottom is the opening of the pit 411, and the cone tip is located at the pit 411 Inside, when the backlight 42 on the side of the light guide plate 41 is incident on the side of the light guide plate 41, the pit 411 is encountered. After the upward or downward reflection, the direction of the light reflection is more accurate.
本实施例优选的方案是在所述导光板 41 下表面设有多个凹点，光线从进入所述导光板 41 后，遇到呈圆锥形的凹点 411 后向下反射，光线遇到所述反光膜 43 后又向上反射，再次遇到凹点 411 的部分光线再次被反射，往返多次，使光线被均匀的柔和的照射到按键组合 3 部分，最终通过键帽 31 的漏光键标照射出去达到键盘键标发光的目的。 A preferred embodiment of the present embodiment is to provide a plurality of pits on the lower surface of the light guide plate 41, and light entering the light guide plate 41. After that, it encounters a conical pit 411 and then reflects downward. After the light encounters the reflective film 43, it is reflected upward and again encounters a pit 411. Part of the light is reflected again, and it is reciprocated a plurality of times, so that the light is uniformly and gently irradiated to the key combination 3 part, and finally the light leakage key of the key cap 31 is irradiated to achieve the purpose of the keyboard key illumination.
为了便于生产，本实施例优选方案是，所述导光板 41 由至少两片组合而成，按所需形状，将所述导光板 41 分为多块制造，然后将其拼接为整块导光板 41 ，导光 41 分开多块进行制造，然后拼装到键盘内，可以大大降低导光板 41 的生产成本。 In order to facilitate the production, in the preferred embodiment of the present invention, the light guide plate 41 is formed by combining at least two pieces, and the light guide plate 41 is formed in a desired shape. It is divided into multiple pieces and then spliced into a whole light guide plate 41. The light guide 41 is manufactured separately and then assembled into the keyboard, which can greatly reduce the production cost of the light guide plate 41.
光线通过所述导光板 41 内部，达到所述导光板 41 的另一边部的时候，为了防止漏光，特将所述反光膜 43 的一边设为折弯部 431 ，光线被反光膜 43 的折弯部 431 反射回来，有效避免了漏光，而所述反光膜 43 采用冲压方式一体成型，其折弯部 431 包裹所述导光板 41 的边缘，生产简便，不需要使用人工进行封贴作业，降低生产成本的同时还能够提高生产效率。 When the light passes through the inside of the light guide plate 41 to reach the other side of the light guide plate 41, in order to prevent light leakage, the reflective film is specially designed. One side of the 43 is set as the bent portion 431, and the light is reflected back by the bent portion 431 of the reflective film 43 to effectively prevent light leakage, and the reflective film 43 is integrally formed by punching, and the bent portion 431 is formed. The edge of the light guide plate 41 is wrapped, and the production is simple, and the manual sealing operation is not required, thereby reducing the production cost and improving the production efficiency.
同样，为了便于生产，本实施例优选方案是，所述反光膜 43 由至少两片组合构成，由于多片组合构成的反光膜 43 ，单片面积减小，冲压生产的设备要求就会降低，相对于整片的生产成本可以大幅降低。 Also, in order to facilitate the production, it is preferable in the embodiment that the light reflecting film 43 is composed of at least two sheets, and the reflecting film composed of a plurality of sheets is combined. 43. The single-chip area is reduced, the equipment requirements for stamping production are reduced, and the production cost of the whole piece can be greatly reduced.
进一步地，所述背光源 42 呈条状且具有多个凸起的灯珠 421 ，所述背光源 42 是由条状的线路板及其表面焊接的灯珠 421 组合构成，所述导光板 41 与所述背光源 42 连接的侧边设有可容纳所述灯珠 421 的开口 412 ，将背光源 42 与所述导光板 41 组合后，由于所述开口 412 与所述灯珠 421 对应，所述灯珠 421 嵌入到开口 412 中，灯珠 421 发出的光线照射角度大大增加，呈小于或等于 180 度的角度，使光线入射导光板 41 更充分。 Further, the backlight 42 has a strip shape and has a plurality of raised lamp beads 421, and the backlight 42 It is composed of a strip-shaped circuit board and a solder ball 421 soldered on its surface. The side of the light guide plate 41 connected to the backlight 42 is provided with an opening 412 for accommodating the lamp bead 421, and the backlight is used. After being combined with the light guide plate 41, since the opening 412 corresponds to the lamp bead 421, the lamp bead 421 is embedded in the opening 412, and the lamp bead 421 The angle of illumination of the emitted light is greatly increased to an angle of less than or equal to 180 degrees, so that light is incident on the light guide plate 41 more fully.
为了方便固定所述发光模组 4 ，所述下盖 2 设有可对所述导光板 41 、背光源 42 及反光膜 43 进行限位的围骨 21 ，将发光模组 4 中的反光膜 43 置于所述下盖 2 内，所述反光膜 43 的的折弯部 431 倚靠所述围骨 21 的内壁，然后将所述导光板 41 及背光源 42 置于所述反光膜 43 上方，所述背光源 42 的外边缘倚靠所述围骨 21 的一边，所述导光板 41 未连接背光源 42 的一边挤压固定所述反光膜 43 的折弯部 431 ，起到了固定发光模组 4 的作用，这样的设计不仅方便组装，而且不需要对发光模组 4 的部件进行粘贴。 In order to facilitate the fixing of the light-emitting module 4, the lower cover 2 is provided with the light guide plate 41, the backlight 42 and the reflective film 43. The limiting bone 21 is disposed, and the reflective film 43 in the light-emitting module 4 is placed in the lower cover 2, and the bent portion 431 of the reflective film 43 leans against the surrounding bone 21 The inner wall of the light guide plate 41 and the backlight 42 are placed above the reflective film 43. The outer edge of the backlight 42 leans against one side of the surrounding bone 21, and the light guide plate 41 One side of the backlight 42 is not connected to the bent portion 431 of the reflective film 43 to function as a fixed light-emitting module 4. This design is not only convenient for assembly, but also does not require the light-emitting module 4 The parts are pasted.
以上所述仅为本实用新型的较佳实施例而已，并不用以限制本实用新型，凡在本实用新型的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本实用新型的保护范围之内。 The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the present invention. The scope of protection of utility models.
工业实用性Industrial applicability
序列表自由内容Sequence table free content

Claims (9)

  1. 一种发光键盘，包括上盖和下盖，以及由键帽、中板和电路层构成的按键组合，所述按键组合固定于所述上盖和下盖之间，所述键帽表面具有漏光键标，所述中板和电路层均采用可透光的材质，其特征在于，在所述按键组合下方设发光模组，所述发光模组包含导光板、背光源和反光膜，所述导光板侧边设有背光源，所述反光膜设于所述导光板下方。 An illuminated keyboard comprising an upper cover and a lower cover, and a key combination formed by a key cap, a middle plate and a circuit layer, the key combination being fixed between the upper cover and the lower cover, the surface of the key cap having light leakage The light-emitting module is disposed under the button combination, and the light-emitting module includes a light guide plate, a backlight, and a reflective film. A backlight is disposed on a side of the light guide plate, and the reflective film is disposed under the light guide plate.
  2. 如权利要求 1 所述的发光键盘，其特征在于，所述导光板具有多个凹点。The illuminated keyboard of claim 1 wherein said light guide plate has a plurality of pits.
  3. 如权利要求 2 所述的发光键盘，其特征在于，所述凹点呈圆锥形。The illuminated keyboard of claim 2 wherein said pits are conical.
  4. 如权利要求 3 所述的发光键盘，其特征在于，所述导光板下表面设有多个凹点。The illuminated keyboard of claim 3, wherein the lower surface of the light guide plate is provided with a plurality of pits.
  5. 如权利要求 4 所述的发光键盘，其特征在于，所述导光板由至少两片组合而成。The illuminated keyboard of claim 4, wherein the light guide plate is formed by combining at least two pieces.
  6. 如权利要求 1 所述的发光键盘，其特征在于，所述反光膜至少一边具有折弯部。The illuminated keyboard of claim 1 wherein said reflective film has a bent portion on at least one side.
  7. 如权利要求 6 所述的发光键盘，其特征在于，所述反光膜由至少两片组合构成。The illuminated keyboard of claim 6 wherein said reflective film is comprised of at least two sheets.
  8. 如权利要求 1 所述的发光键盘，其特征在于，所述背光源呈条状且具有多个凸起的灯珠，所述导光板与所述背光源连接的侧边设有可容纳所述灯珠的开口，所述开口与所述灯珠对应。Claims 1 The illuminating keyboard is characterized in that the backlight has a strip shape and has a plurality of raised lamp beads, and the side of the light guide plate connected to the backlight is provided with an opening for accommodating the lamp bead. The opening corresponds to the lamp bead.
  9. 如权利要求 1-9 任一项所述的发光键盘，其特征在于，所述下盖设有可对所述导光板、背光源及反光膜进行限位的围骨。Claims 1-9 The illuminating keyboard according to any one of the preceding claims, wherein the lower cover is provided with a surrounding bone capable of limiting the light guide plate, the backlight and the reflective film.
PCT/CN2012/084357 2012-09-05 2012-11-09 Luminescent keyboard WO2014036784A1 (en)

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Application Number Priority Date Filing Date Title
CN 201220450670 CN202948858U (en) 2012-09-05 2012-09-05 Luminescent keyboard
CN201220450670.X 2012-09-05

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WO2014036784A1 true WO2014036784A1 (en) 2014-03-13

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WO (1) WO2014036784A1 (en)

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Publication number Priority date Publication date Assignee Title
CN108630476A (en) * 2018-07-03 2018-10-09 深圳马太亚科技有限公司 A kind of light transmission switch upper cover, light transmission switch case and light transmission switch

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201084588Y (en) * 2007-07-25 2008-07-09 天瑞企业股份有限公司 A keyboard side light structure
CN101364487A (en) * 2007-08-09 2009-02-11 鸿富锦精密工业（深圳）有限公司 Illuminant keyboard
CN201655620U (en) * 2010-04-26 2010-11-24 精元电脑股份有限公司 Film light guide keyboard device
CN102254725A (en) * 2011-05-02 2011-11-23 苏州达方电子有限公司 Light-emitting keyboard

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201084588Y (en) * 2007-07-25 2008-07-09 天瑞企业股份有限公司 A keyboard side light structure
CN101364487A (en) * 2007-08-09 2009-02-11 鸿富锦精密工业（深圳）有限公司 Illuminant keyboard
CN201655620U (en) * 2010-04-26 2010-11-24 精元电脑股份有限公司 Film light guide keyboard device
CN102254725A (en) * 2011-05-02 2011-11-23 苏州达方电子有限公司 Light-emitting keyboard

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CN202948858U (en) 2013-05-22

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