CN208157445U - micro-L ED display panel and micro-L ED display device - Google Patents
micro-L ED display panel and micro-L ED display device Download PDFInfo
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- CN208157445U CN208157445U CN201820445893.4U CN201820445893U CN208157445U CN 208157445 U CN208157445 U CN 208157445U CN 201820445893 U CN201820445893 U CN 201820445893U CN 208157445 U CN208157445 U CN 208157445U
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- 239000000758 substrate Substances 0.000 claims abstract description 38
- 229920002799 BoPET Polymers 0.000 claims abstract description 22
- 230000005611 electricity Effects 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 5
- 238000005538 encapsulation Methods 0.000 claims 1
- 239000012780 transparent material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 20
- 229920000139 polyethylene terephthalate Polymers 0.000 description 4
- 239000005020 polyethylene terephthalate Substances 0.000 description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- -1 polyethylene terephthalate Polymers 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000005229 chemical vapour deposition Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 239000008393 encapsulating agent Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 1
- 238000001755 magnetron sputter deposition Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- YVTHLONGBIQYBO-UHFFFAOYSA-N zinc indium(3+) oxygen(2-) Chemical compound [O--].[Zn++].[In+3] YVTHLONGBIQYBO-UHFFFAOYSA-N 0.000 description 1
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Abstract
the utility model discloses a little L ED display panel and little L ED display device, this little L ED display panel include circuit substrate and little L ED array, circuit substrate includes transparent PET film and sets up circuit layer on the PET film, little L ED array forms on the circuit substrate, little L ED array includes a plurality of L ED chips, L ED chip with circuit layer electricity is connected.
Description
Technical field
The utility model embodiment is related to display technology more particularly to a kind of micro- LED display panel and micro- LED display dress
It sets.
Background technique
Light emitting diode (LED, Light-Emitting Diode) display screen is showed by one kind that LED dot array module forms
For flat-paneled display screens, have many advantages, such as light emission luminance height, long service life, strong environmental adaptability, be widely used in finance,
The fields such as traffic, advertising.With the continuous renewal of technology, LED display is just towards high brightness, full color, small spacing
Direction is developed, and LED display is just increasingly showing its wide application prospect.
However, existing LED display, pel spacing is too big, LED point spacing mostly in 2mm or more, resolution ratio compared with
Low, LED array of display is generally disposed on the printed circuit board (PCB, Printed Circuit Board) of hard, so that LED
Display screen becomes non-deformable, opaque LED display, has limited to the application range of LED display.
Utility model content
The utility model provides a kind of micro- LED display panel and micro- LED display, to realize micro- LED of flexible and transparent
Display panel expands the use scope of LED display panel.
In a first aspect, the utility model embodiment provides a kind of micro- LED display panel, including：Circuit substrate and micro- LED
Array；
The circuit substrate includes transparent PET film and the circuit layer being arranged in the PET film；
Micro- LED array is formed on the circuit substrate, and micro- LED array includes multiple LED chips, described
LED chip is electrically connected with the circuit layer.
Optionally, the material of the circuit layer is conductive metal material or transparent conductive oxide material.
Optionally, the circuit substrate is double-sided PCB.
Optionally, the LED chip upside-down mounting is on the circuit layer.
Optionally, the LED chip includes at least two electrodes, and the circuit layer includes multiple connection terminals；
At least two electrodes and the corresponding connection terminal being located on the circuit layer on the LED chip
Electrical connection.
Optionally, micro- LED display panel further includes encapsulated layer, and the encapsulated layer, which is set to the LED chip, to deviate from
The circuit substrate side simultaneously covers the circuit layer and the LED chip.
Optionally, the material of the encapsulated layer is flexible clear materials.
Optionally, in micro- LED array, multiple LED chips are arranged at array structure；The LED chip includes
First electrode and second electrode；
Micro- LED display panel further includes a plurality of the first connecting wire extended along line direction and a plurality of prolongs along column direction
The second connecting wire stretched；
First electrode positioned at each LED chip of same a line is electrically connected with the first connecting wire described in same,
Second electrode positioned at each LED chip of same row is electrically connected with the second connecting wire described in same.
Second aspect, the utility model embodiment additionally provide a kind of micro- LED display, including drive module and such as the
On the one hand any micro- LED display panel.
Optionally, in micro- LED array, multiple LED chips are arranged at array structure；The LED chip includes
First electrode and second electrode；
Micro- LED display panel further includes a plurality of the first connecting wire extended along line direction and a plurality of prolongs along column direction
The second connecting wire stretched；
First electrode positioned at each LED chip of same a line is electrically connected with the first connecting wire described in same,
Second electrode positioned at each LED chip of same row is electrically connected with the second connecting wire described in same；
The drive module includes multiple constant-current driven chips, multiple forward voltage chips and a top control module；
The forward voltage chip is electrically connected with first connecting wire, and the constant-current driven chip and described second connects
Conducting wire electrical connection is connect, the constant-current driven chip and the forward voltage chip are connect with the top control module, the master control
Module is for driving the LED chip by the constant-current driven chip and the forward voltage chip.
Micro- LED display panel provided by the embodiment of the utility model and micro- LED display, by using circuit substrate and
Micro- LED array combines, and wherein circuit substrate is guaranteeing micro- LED display panel using the PET film of flexible and transparent as substrate
While display function, the blockage structures of the circuit substrate side of LED in micro- LED display panel are eliminated, realizing can two
Side goes out micro- LED display panel of light and transmissive ambient light, and the characteristic bent using PET film substrate, realizes soft
Micro- LED display panel of property, micro- LED display panel and display device provided in this embodiment can be applied to transparence display scene
With Flexible Displays scene, the application range of micro- LED display panel has effectively been widened, the display demand of different scenes can be met.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of micro- LED display panel provided by the embodiment of the utility model；
Fig. 2 is micro- LED display panel shown in Fig. 1 along the schematic diagram of the section structure of AA '；
Fig. 3 is another the schematic diagram of the section structure of the micro- LED display panel shown in Fig. 2 along AA '；
Fig. 4 is the micro- LED display panel structural schematic diagram of another kind provided by the embodiment of the utility model；
Fig. 5 is a kind of micro- LED display panel structural schematic diagram provided by the embodiment of the utility model；
Fig. 6 is micro- LED display panel shown in Fig. 5 along the schematic diagram of the section structure of BB '；
Fig. 7 is a kind of structural schematic diagram of micro- LED display panel provided by the embodiment of the utility model；
Fig. 8 is a kind of micro- LED display structural schematic diagram provided by the embodiment of the utility model；
Fig. 9 is the micro- LED display structural schematic diagram of another kind provided by the embodiment of the utility model；
Figure 10 is a kind of micro- LED display electrical block diagram provided by the embodiment of the utility model.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples.It is understood that herein
Described specific embodiment is used only for explaining the utility model, rather than the restriction to the utility model.It further needs exist for
It is bright, part relevant to the utility model is illustrated only for ease of description, in attached drawing rather than entire infrastructure.
Fig. 1 is the structural schematic diagram of micro- LED display panel provided by the embodiment of the utility model, and Fig. 2 is micro- shown in Fig. 1
LED display panel is along the schematic diagram of the section structure of AA ', and with reference to Fig. 1 and Fig. 2, which includes：Circuit substrate 11
With micro- LED array 12；Circuit substrate 11 includes transparent PET film 111 and the circuit layer 112 being arranged in PET film 111；
Micro- LED array 12 is formed on circuit substrate 11, and micro- LED array 12 includes multiple LED chips 121, LED chip 121 and circuit
Layer 112 is electrically connected.
Wherein, PET is polyethylene terephthalate (Polyethylene terephthalate, abbreviation PET),
The good mechanical performance of PET film 111 has preferable obdurability, tensile strength and impact strength, has and be not susceptible to shape
The advantages of change.Circuit layer 112 in circuit substrate 11 is then formed in PET film 111 using patterns of conductive materials, and control is constituted
The signal wire of LED processed, such as can be to be pressed on copper foil to form the film for covering copper in PET film 111 using electron printing,
Circuit substrate 11 is made using techniques such as pattern etched, plating.In addition, in micro- LED display panel provided in this embodiment,
Diameter can be used no more than 1 millimeter, point spacing is in 2 millimeters i.e. P2.0 specification LED below, it can be ensured that display panel has more
High rate respectively, display picture are apparent.
Micro- LED display panel provided by the embodiment of the utility model is combined by using circuit substrate and micro- LED array,
Wherein circuit substrate is guaranteeing the same of the display function of micro- LED display panel using the PET film of flexible and transparent as substrate
When, eliminate the blockage structures of the circuit substrate side of LED in micro- LED display panel, realize can two sides go out light and can be saturating
Micro- LED display panel of ambient light, and the characteristic bent using PET film substrate are penetrated, micro- LED flexible is realized and shows
Panel, micro- LED display panel provided in this embodiment, can be applied to transparence display scene and Flexible Displays scene, effectively opens up
The wide application range of micro- LED display panel, can meet the display demand of different scenes.
Optionally, conductive metal material may be selected in the material of circuit layer 112, can be copper, aluminium, silver etc., is also possible to
Bright conductive oxide material, such as tin indium oxide, indium zinc oxide etc. are led using transparent oxide conducting material as connection
Line, more can increase the translucency of circuit substrate, and magnetron sputtering, chemical vapor deposition can be used in the circuit layer of transparent conductive oxide
The methods of prepared, this method preparation transparent conductive oxide connecting wire, width is narrower, can reduce to LED
Chip chamber away from occupancy realize that the higher resolution ratio of micro- LED display panel and picture are clear to reduce LED chip point spacing
Degree.
In micro- LED display panel, the wiring for connecting LED chip is more intensive, thus will lead to mutual relevant between circuit
It disturbs, such as electromagnetic interference and noise etc., to affect the accuracy that micro- LED display panel is shown.The utility model embodiment
A kind of micro- LED display panel is additionally provided, Fig. 3 is another the schematic diagram of the section structure of the micro- LED display panel shown in Fig. 2 along AA ',
With reference to Fig. 1 and Fig. 3, optionally, circuit substrate 11 uses double-sided PCB structure, i.e. circuit layer includes 1121 He of first circuit layer
The second circuit layer 1122, first circuit layer 1121 and the second circuit layer 1122 are formed in the two sides up and down of PET film 111,
Middle the second circuit layer 1122 is electrically connected by the via hole 1123 in PET film 111 with first circuit layer 1121 or the realization of micro- LED array
It connects.
Fig. 4 is the micro- LED display panel structural schematic diagram of another kind provided by the embodiment of the utility model, optional with reference to Fig. 4
Ground, LED chip use thermal conductivity and luminous efficiency all good flip type LED chips of calibration cartridge chip, and LED chip upside-down mounting is in circuit
On layer 112, guarantee single led luminescent properties.Specifically, LED chip 121 includes at least two electrodes 1211, circuit layer 112
Including multiple connection terminals 1124；At least two electrodes 1211 on LED chip 121 are located at circuit layer 112 with corresponding
On connection terminal 1124 be electrically connected.
Specifically, electrode is located at the same side in flip type LED chip, by room temperature conducting resinl etc. by the electrode of LED chip
1211 be aligned with the connection terminal 1124 on circuit layer 112 after bond, circuit layer 112 is then by connection terminal 1124 and corresponding
Electrode 1211 is realized with LED chip 121 and is electrically connected, and driving circuit controls LED chip 121 by circuit layer 112, from
And so that micro- LED display panel is carried out picture and show.
Fig. 5 is a kind of micro- LED display panel structural schematic diagram provided by the embodiment of the utility model, and Fig. 6 is micro- shown in Fig. 5
For LED display panel along the schematic diagram of the section structure of BB ', such as scheming micro- LED display panel includes circuit substrate 21 and micro- LED array
22, circuit substrate 21 includes transparent PET film 211 and the circuit layer 212 being arranged in PET film 211, micro- LED array 22
In multiple LED chips 221 arrange at array structure；LED chip 221 includes first electrode 2211 and second electrode 2212；Circuit
Layer 212 includes a plurality of the first connecting wire 2121 extended along line direction and a plurality of the second connecting wire extended along column direction
2122；First electrode 2211 positioned at each LED chip 221 of same a line is electrically connected with the first connecting wire of same 2121,
Second electrode 2212 positioned at each LED chip 221 of same row is electrically connected with the second connecting wire of same 2122.It needs
It is bright, it is provided with insulating layer between the first connecting wire 2121 and the second connecting wire 2122, for guaranteeing that the first connection is led
The electrical isolation of line 2121 and the second connecting wire 2122.
Fig. 7 is a kind of structural schematic diagram of micro- LED display panel provided by the embodiment of the utility model, optional with reference to Fig. 7
Ground, micro- LED display panel further include encapsulated layer 13, and encapsulated layer 13 is set to LED chip 121 away from 11 side of circuit substrate and covers
Lid circuit layer 112 and LED chip 121.
LED chip 121 is after being welded on circuit layer 112, in order to avoid LED chip falls off, prevents LED chip 121
Metal line etc. can be used encapsulating material by 112 He of circuit layer by oxidation corrosion equivalent damage in electrode and circuit layer 112
LED chip 121 is covered, and optionally, 13 material of encapsulated layer is flexible clear materials, on the one hand can guarantee LED chip 121
Light outgoing, on the other hand cooperated using flexible encapsulant material and PET film flexible, micro- LED display panel may be implemented
Bendable folding endurance, in the application scenarios that Flexible Displays are shown etc. for clothes.
The utility model embodiment additionally provides a kind of micro- LED display, and Fig. 8 is provided by the embodiment of the utility model
A kind of micro- LED display structural schematic diagram, with reference to Fig. 8, which includes drive module 110 and such as this is practical
Any micro- LED display panel 100 that new embodiment provides.Wherein, the writable different control journey of drive module 110
Sequence can realize the control to micro- LED display panel 100 by program, and micro- LED display panel 100 is made to show the information such as image.
Micro- LED display provided by the embodiment of the utility model, by using circuit substrate in micro- LED display panel
It is combined with micro- LED array, wherein circuit substrate is guaranteeing micro- LED display panel using the PET film of flexible and transparent as substrate
Display function while, eliminate the blockage structures of the circuit substrate side of LED in micro- LED display panel, realizing can
Two sides go out micro- LED display panel of light and transmissive ambient light, and the characteristic bent using PET film substrate, realize
Micro- LED display panel flexible, micro- LED display provided in this embodiment, can be applied to transparence display scene and flexibility is aobvious
Show scene, effectively widened the application range of micro- LED display panel, the display demand of different scenes can be met.
Fig. 9 is the micro- LED display structural schematic diagram of another kind provided by the embodiment of the utility model, with reference to Fig. 5, Fig. 6
And Fig. 9, in micro- LED array 22 of micro- LED display panel 100, multiple LED chips 221 are arranged at array structure；LED chip 221
Including first electrode and second electrode；Micro- LED display panel 100 further includes a plurality of the first connecting wire extended along line direction
2121 and it is a plurality of along column direction extend the second connecting wire 2122；Positioned at the first electrode 2211 of each LED chip of same a line
Be electrically connected with the first connecting wire of same 2121, positioned at same row each LED chip second electrode 2212 with it is same
The second connecting wire of item 2122 is electrically connected；Stain as shown in the figure is the anode or cathode and the first connecting wire of LED chip 221
2121 or second connecting wire 2122 be electrically connected position, though the first connecting wire 2121 and the second connecting wire 2122 have friendship
Fork, but be not electrically connected, the first connecting wire 2121 and the second connecting wire 2122 electrical isolation.Drive module 110 includes multiple
Constant-current driven chip 1101, multiple forward voltage chips 1102 and a top control module 1103；Constant-current driven chip 1101 and
The electrical connection of one connecting wire 2121, forward voltage chip 1102 are electrically connected with the second connecting wire 2122, constant-current driven chip
1101 and forward voltage chip 1102 connect with top control module 1103, top control module 1103 is for passing through constant-current driven chip
1101 and forward voltage chip 1102 LED chip 221 is driven.
Optionally, the first electrode 2211 of LED chip is anode, and the second electrode 2212 of LED chip is cathode.Positive electricity
Pressure chip 1102 is connected by the first conducting wire 2121 with the anode of each LED chip 221, for providing forward direction for each LED chip 221
Voltage.Constant-current driven chip 1101 is connected by the second connecting wire 2121 with the cathode of each LED chip 221, for each LED
Chip carry out current limliting, guarantee the normal work of each LED chip, avoid because electric current it is excessively high caused by LED chip 221 damage, meanwhile, lead to
It crosses and connects same crossing current driving chip 1101 each LED chip 221 can be made to obtain expected brightness requirement, guarantee each LED core
The consistency of the light emission luminance of piece 221, luminescent chromaticity.
Illustratively, the utility model embodiment additionally provides a kind of circuit structure of micro- LED display, and Figure 10 is this
A kind of micro- LED display electrical block diagram that utility model embodiment provides, with reference to Figure 10, forward voltage chip 1102
It is specifically as follows the chip of model 74HC595, constant-current driven chip 1101 is specifically as follows the chip of model MBI5026.
A plurality of first connecting wire 2121 is connect with forward voltage chip 74HC595, and a plurality of second connecting wire 2122 drives with constant current
Chip MBI5026 connection uses two forward voltage chip 74HC595 herein and respectively connects 8 2121 sides of the first connecting wire
Formula controls 16 the first connecting wires 2121, two forward voltage chip 74HC595 and a constant-current driven chip
MBI5026 is all connected to the top control module designed by FPGA module.Forward voltage chip 74HC595 controls micro- LED array
The anode of middle LED chip 221, constant-current driven chip MBI5026 control the cathode of LED chip 221 in micro- LED array, two types
The chip of type is used cooperatively, to realize the accurate control to micro- LED array.
Note that above are only the preferred embodiment and institute's application technology principle of the utility model.Those skilled in the art's meeting
Understand, the utility model is not limited to specific embodiment described here, is able to carry out for a person skilled in the art various bright
Aobvious variation, readjustment and substitution is without departing from the protection scope of the utility model.Therefore, although passing through above embodiments
The utility model is described in further detail, but the utility model is not limited only to above embodiments, is not departing from
It can also include more other equivalent embodiments in the case that the utility model is conceived, and the scope of the utility model is by appended
Scope of the claims determine.
Claims (10)
1. a kind of micro- LED display panel, which is characterized in that including：Circuit substrate and micro- LED array；
The circuit substrate includes transparent PET film and the circuit layer being arranged in the PET film；
Micro- LED array is formed on the circuit substrate, and micro- LED array includes multiple LED chips, the LED core
Piece is electrically connected with the circuit layer.
2. micro- LED display panel according to claim 1, which is characterized in that the material of the circuit layer is metallic conduction
Material or transparent conductive oxide material.
3. micro- LED display panel according to claim 1, which is characterized in that the circuit substrate is double-sided PCB.
4. micro- LED display panel according to claim 1, which is characterized in that the LED chip upside-down mounting is in the circuit layer
On.
5. micro- LED display panel according to claim 4, which is characterized in that the LED chip includes at least two electricity
Pole, the circuit layer include multiple connection terminals；
At least two electrodes on the LED chip are electrically connected with the corresponding connection terminal being located on the circuit layer
It connects.
6. micro- LED display panel according to claim 1, which is characterized in that micro- LED display panel further includes encapsulation
Layer, the encapsulated layer are set to the LED chip away from the circuit substrate side and cover the circuit layer and the LED core
Piece.
7. micro- LED display panel according to claim 6, which is characterized in that the material of the encapsulated layer is flexible and transparent
Material.
8. micro- LED display panel according to claim 1, which is characterized in that
In micro- LED array, multiple LED chips are arranged at array structure；The LED chip includes first electrode and
Two electrodes；
The circuit layer includes a plurality of the first connecting wire extended along line direction and a plurality of the second connection extended along column direction
Conducting wire；
First electrode positioned at each LED chip of same a line is electrically connected with the first connecting wire described in same, is located at
The second electrode of each LED chip of same row is electrically connected with the second connecting wire described in same.
9. a kind of micro- LED display, which is characterized in that including drive module and micro- LED a method as claimed in any one of claims 1-8
Display panel.
10. micro- LED display according to claim 9, which is characterized in that
In micro- LED array, multiple LED chips are arranged at array structure；The LED chip includes first electrode and
Two electrodes；
Micro- LED display panel further includes a plurality of the first connecting wire extended along line direction and a plurality of extends along column direction
Second connecting wire；
First electrode positioned at each LED chip of same a line is electrically connected with the first connecting wire described in same, is located at
The second electrode of each LED chip of same row is electrically connected with the second connecting wire described in same；
The drive module includes multiple constant-current driven chips, multiple forward voltage chips and a top control module；
The forward voltage chip is electrically connected with first connecting wire, and the constant-current driven chip connect with described second and leads
Line electrical connection, the constant-current driven chip and the forward voltage chip are connect with the top control module, the top control module
For being driven by the constant-current driven chip and the forward voltage chip to the LED chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820445893.4U CN208157445U (en) | 2018-03-30 | 2018-03-30 | micro-L ED display panel and micro-L ED display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820445893.4U CN208157445U (en) | 2018-03-30 | 2018-03-30 | micro-L ED display panel and micro-L ED display device |
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| Publication Number | Publication Date |
|---|---|
| CN208157445U true CN208157445U (en) | 2018-11-27 |
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| CN201820445893.4U Active CN208157445U (en) | 2018-03-30 | 2018-03-30 | micro-L ED display panel and micro-L ED display device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321281A (en) * | 2018-03-30 | 2018-07-24 | 南方科技大学 | micro-L ED display panel and micro-L ED display device |
| CN111668357A (en) * | 2019-03-06 | 2020-09-15 | 隆达电子股份有限公司 | Package body |
| CN112164326A (en) * | 2020-09-18 | 2021-01-01 | 深圳集简设计有限公司 | Display circuit board, manufacturing method thereof and LED display screen |
| CN113436550A (en) * | 2021-07-28 | 2021-09-24 | 江西华创触控科技有限公司 | Transparent display screen |
-
2018
- 2018-03-30 CN CN201820445893.4U patent/CN208157445U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108321281A (en) * | 2018-03-30 | 2018-07-24 | 南方科技大学 | micro-L ED display panel and micro-L ED display device |
| CN111668357A (en) * | 2019-03-06 | 2020-09-15 | 隆达电子股份有限公司 | Package body |
| CN112164326A (en) * | 2020-09-18 | 2021-01-01 | 深圳集简设计有限公司 | Display circuit board, manufacturing method thereof and LED display screen |
| CN112164326B (en) * | 2020-09-18 | 2021-07-13 | 熊周成 | Display circuit board, manufacturing method thereof and LED display screen |
| CN113436550A (en) * | 2021-07-28 | 2021-09-24 | 江西华创触控科技有限公司 | Transparent display screen |
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