CN101853615A - LED display device - Google Patents
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- CN101853615A CN101853615A CN 201010183945 CN201010183945A CN101853615A CN 101853615 A CN101853615 A CN 101853615A CN 201010183945 CN201010183945 CN 201010183945 CN 201010183945 A CN201010183945 A CN 201010183945A CN 101853615 A CN101853615 A CN 101853615A
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- 230000031700 light absorption Effects 0.000 claims abstract description 24
- 230000003287 optical effect Effects 0.000 claims description 11
- 238000009792 diffusion process Methods 0.000 claims description 9
- 230000002745 absorbent Effects 0.000 claims description 6
- 239000002250 absorbent Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 239000003086 colorant Substances 0.000 claims description 2
- 239000005337 ground glass Substances 0.000 claims 1
- 238000009434 installation Methods 0.000 description 7
- 238000007598 dipping method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 230000001427 coherent effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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Abstract
The invention provides an LED (light-emitting diode) display device comprising an LED display panel, wherein LED chips are arranged on the LED display panel; the LED display device further comprises a light-absorption layer arranged on the LED display panel; and a light-transmitting hole is formed in the light-outgoing position of the light absorption layer, which corresponds to the LED chips. Accordingly, the light-outgoing positions of the LED chips are light-transmitting, while the rest part of the LED display device is not light-transmitting in the invention. When a black picture is displayed by the LED display device, the reflected light of the rest part is absorbed by the light-absorption layer, thus increasing the display contrast of the LED display device.
Description
Technical field
The present invention relates to LED display technique field, relate in particular to a kind of LED display device.
Background technology
The important component part of existing LED display is the LED display panel, on the common LED display panel a plurality of led chips is installed, and a plurality of described led chips carries out image under the driving of the driving circuit of LED display shows.
Contrast is one of important indicator of weighing the LED display image displaying quality, and contrast refers generally to the brightness and the ratio that shows black picture brightness that LED display shows white picture.Because each the described led chip on the LED display panel has assemblage gap, solder joint etc. when mounted inevitably, when LED display shows the black picture, described solder joint or gap will reflect ambient light, make the picture of whole described LED display white partially, reduce described LED display contrast.
Summary of the invention
For solving the lower problem of contrast of prior art LED display, the invention provides a kind of LED display device with higher contrast.
A kind of LED display device, comprise the LED display panel, described LED display panel is provided with led chip, and described LED display device also comprises the light-absorption layer that is arranged on the described LED display panel, and described light-absorption layer is provided with light hole at the optical position that goes out of the described led chip of correspondence.
Compared with prior art, in the LED display device of the present invention, be provided with light-absorption layer on the described LED display panel, described light-absorption layer is provided with light hole at the optical position that goes out of the described led chip of correspondence.Therefore, can make in the described LED display device except that the going out the optical position printing opacity of each described led chip, all the other positions are all light tight.When described LED display device showed the picture of black, described light-absorption layer absorbed the reflective of all the other positions, made the picture demonstration of black more black, improved the demonstration contrast of described LED display device.
Description of drawings
Fig. 1 is the structural representation of LED display device of the present invention;
Fig. 2 is the cross-sectional view of LED display device of the present invention;
Fig. 3 is the structural representation of a kind of preferred implementation of LED display device of the present invention;
Fig. 4 and Fig. 5 are the cross-sectional view of the another kind of preferred implementation of LED display device of the present invention;
Fig. 6 and Fig. 7 are the structural representations of LED display panel first embodiment in the LED display device of the present invention;
Fig. 8 is the structural representation of LED display panel second embodiment in the LED display device of the present invention;
Fig. 9 is the structural representation of LED display panel the 3rd embodiment in the LED display device of the present invention;
Figure 10 is the structural representation sketch of the LED integrated circuit modules in the LED display panel shown in Figure 9;
Figure 11 is the circuit theory diagrams of LED integrated circuit modules shown in Figure 10.
Wherein, 10,20,30LED display device;
11,31,41,51 LED display panels;
12,32 led chips;
13,23,33 light-absorption layers;
14,24,34 light holes;
212,512 red LED chips;
213,513 green LED chips;
214,514 blue led chips;
310,410,510 LED integrated circuit modules;
311,411,511 circuit pins;
341 reflectorized materials;
35 light diffusion sheets;
515 installation gaps;
521 first limits;
522 second limits;
523 the 3rd limits;
524 the 4th limits.
Embodiment
See also Fig. 1 and Fig. 2, Fig. 1 is the structural representation of LED display device of the present invention, and Fig. 2 is the cross-sectional view of LED display device of the present invention.
Described LED display device 10 comprises LED display panel 11, a plurality of led chips 12 are set on the described LED display panel 11, and described LED display device 10 also comprises the light-absorption layer 13 that is arranged on the described LED display panel 11, and described light-absorption layer 13 is provided with light hole 14 at the optical position that goes out of the described led chip 12 of correspondence.
Described light-absorption layer 13 can be made by apply light absorbent on described LED display panel 11, described light absorbent can be black resin or similar material, when applying described light absorbent, reserve described light hole 14 at the optical position that goes out of the described led chip 12 of correspondence.Shown in Fig. 2 (A).
Described light-absorption layer 13 also can be by being provided with black film on described LED display panel 11, the optical position that goes out of corresponding each described led chip 12 is provided with perforation on described black film then, so that form described light hole 14, the light that described led chip 12 is sent can see through described light hole 14 and penetrate.Shown in Fig. 2 (B).
In the described LED display device 10, by described light-absorption layer 13 is set, what can make each described led chip 12 goes out the optical position printing opacity, and all the other positions of described LED display device 10 are all light tight, and can reflect ambient light.When described LED display device 10 showed the picture of black, described light-absorption layer 13 can be eliminated various reflective effectively, made the picture demonstration of black more black, improved the demonstration contrast of described LED display device 10.
See also 3, Fig. 3 is the structural representation of a kind of preferred implementation of LED display device of the present invention.
In the LED display device 20 of present embodiment, many group full-color LED chipsets (not indicating) are set on the described LED display panel (not indicating), and each is organized described full-color LED chipset and all comprises red LED chips 212, green LED chip 213 and blue led chip 214.
In described light-absorption layer 23, described light hole 24 both can be corresponding each organize the whole bright dipping position range setting of described full-color LED chipset, shown in Fig. 3 (A); Also the bright dipping position range of corresponding each described led chip is provided with separately, shown in Fig. 3 (B).
Because described LED display device 20 comprises many group full-color LED chipsets, each described full-color LED chipset can send the light of full color scope, and the color that described LED display device 20 is shown is abundanter.
See also 4 and Fig. 5, Fig. 4 and Fig. 5 are the cross-sectional view of the another kind of preferred implementation of LED display device of the present invention.
In the LED display device 30 of present embodiment, described light hole 34 can be arranged to horn-like especially, be that described light hole 34 is less in the aperture at contiguous described led chip 32 places, bigger, and on described light hole 34 inboard hole walls, be coated with reflectorized material 341 away from the aperture at described led chip 32 places.When illumination that described led chip 32 sends is mapped on the described light hole 34 inboard hole walls, described reflectorized material 341 is gone out light emission, can strengthen the light intensity that of each described light hole 34, and except that described light hole 34, other parts of described light-absorption layer 33 are light absorbent, can eliminate reflectively, further improve the contrast of described LED display device 30.
Further, described LED display device 30 also comprises the light diffusion sheet 35 that is arranged on the described light-absorption layer 33, as a kind of embodiment for example, in the described light diffusion sheet 35 the light scatter particle is set, perhaps other light scatter structures are handled the uneven surface of back acquisition etc. as frosted.Described light diffusion sheet 35 makes the light scatter of passing to all directions.Described light diffusion sheet 35 can be made of film or the glass handled through frosted, and described light diffusion sheet 35 can also use various rear projection screens to realize, for example rear projection screens such as scattering curtain, optics curtain or beaded glass curtain.
The light that penetrates from each described light hole 34 is through behind the described light diffusion sheet 35, be dispersed on all directions, so the light that described LED display device 30 is sent is more even, and picture shows more coherent, improves the display quality of described LED display device 30.
Please further consult Fig. 6 and Fig. 7, Fig. 6 and Fig. 7 are the structural representations of LED display panel first embodiment in the LED display device of the present invention.
Described LED display panel 31 comprises at least two LED integrated circuit modules 310, each described LED integrated circuit modules 310 all comprises one group of all-colour LED chipset, described all-colour LED chipset comprises red LED chips, green LED chip and blue led chip (not indicating), described red, green, blue three-color LED chip is connected to the circuit pin 311 of described LED integrated circuit modules 310 edges respectively by different lead-in wires, receive drive voltage signal by described circuit pin 311.Wherein, each described LED integrated circuit modules 310 all comprises four described circuit pins 311, the profile of described LED integrated circuit modules 310 is a rectangle, wherein two described circuit pins 311 are arranged on the left side of described LED integrated circuit modules 310, two other described circuit pin 311 is arranged on the right of described LED integrated circuit modules 310, and the described circuit pin 311 dislocation arrangement mutually that is provided with on the right and left.
During a plurality of described LED integrated circuit modules 310 left and right sides adjacent set composite matrix in the described LED display panel 31, the arrangement that misplaces mutually of the pin of the described LED integrated circuit modules 310 that two left and right sides are adjacent, reduce described circuit pin 311 risk of short-circuits, make two distances between the described LED integrated circuit modules 310 can be provided with closelyr, reduce the pel spacing of described LED display panel 31, improve the rate respectively and the display quality of described LED display device.
Four described circuit pins 311 of described LED integrated circuit modules 310 also can be arranged on the both sides up and down of described LED integrated circuit modules 310 in twos, and be not arranged on the right and left, can reach the effect of the pel spacing that reduces described LED display panel 31 equally.
Preferably, four described circuit pins 311 of described LED integrated circuit modules 310 are separately positioned on the four edges of described LED integrated circuit modules 310, and the described circuit pin 311 on described LED integrated circuit modules 310 top margins is arranged on the upper left corner of whole described LED integrated circuit modules 310; Described circuit pin 311 on the base is arranged on the lower right corner, and the described circuit pin 311 on the left side is arranged on the lower left corner; The described circuit pin 311 on the right is arranged on the upper right corner; The arrangement of four described circuit pins 311 becomes rotational symmetry to arrange setting with the center of described LED integrated circuit modules 310.
When a plurality of described LED integrated circuit modules 310 are combined into matrix, the pin of the described LED integrated circuit modules 310 that two left and right sides are adjacent is separately positioned on the upper right corner and the lower left corner, the described circuit pin 311 of two neighbouring described LED integrated circuit modules 310 is separately positioned on the lower right corner and the upper left corner, and dislocation is arranged mutually.Therefore risk of short-circuits is lowered between the pin of any adjacent described LED integrated circuit modules 310, distance between two described LED integrated circuit modules 310 can be provided with closelyr, reduce the pel spacing of described LED display panel 31, improve the rate respectively and the display quality of described LED display panel 31.
See also Fig. 8, Fig. 8 is the structural representation of LED display panel second embodiment in the LED display device of the present invention.Described LED display panel 41 is formed by at least two LED integrated circuit modules 410 aggregate erections, each described LED integrated circuit modules 410 comprises two groups of all-colour LED chipsets, and each led chip in described two groups of all-colour LED chipsets is connected respectively on seven circuit pins 411.The profile of described LED integrated circuit modules 410 is similarly rectangle, wherein, the top margin of described LED integrated circuit modules 410 is provided with four described circuit pins 411, the base of described LED integrated circuit modules 410 is provided with three described circuit pins 411, the left side and the right are not provided with described circuit pin 411, and the described circuit pin 411 on described top margin and described base dislocation is mutually arranged.In the described LED display panel 41, up and down the described circuit pin on two described LED integrated circuit modules 410 adjacent edges 411 mutually dislocation arrange.Therefore up and down risk of short-circuits is lowered between the pin of two described LED integrated circuit modules 410, distance between two described LED integrated circuit modules 410 can be provided with closelyr up and down, can reduce the pel spacing of described LED display panel 41 equally, improve the rate respectively and the display quality of described LED display device.
In the present embodiment, the described circuit pin 411 of described LED integrated circuit modules 410 also can not be arranged on described top margin and described base, and only be arranged on the left side and the right, at this moment, be arranged on the described circuit pin 411 on the left side and the described circuit pin 411 dislocation arrangement mutually that is arranged on the right.Therefore the distance between adjacent two the described LED integrated circuit modules 410 in the left and right sides can be provided with closelyr, can reduce the pixel level spacing of described LED display panel 41.
Among the present invention, the described circuit pin of described LED integrated circuit modules can be arranged on described LED integrated circuit modules arbitrarily on two relative edges, and the circuit pin on described two relative edges misplaces mutually.
See also Fig. 9 and Figure 10, Fig. 9 is the structural representation of LED display panel the 3rd embodiment in the LED display device of the present invention; Figure 10 is the structural representation sketch of the LED integrated circuit modules in the LED display panel shown in Figure 9.
Described LED display panel 51 comprises at least two LED integrated circuit modules 510, each described LED integrated circuit modules 510 all comprises first limit 521, second limit 522, the 3rd limit 523 and the 4th limit 524, wherein said first limit 521 and described second limit 522 are orthogonal, described first limit 521 is parallel to each other relative with described the 3rd limit 523, described second limit 522 is parallel to each other relative with described the 4th limit 524, and the intersection on per two mutually perpendicular limits forms a corner.
Each described LED integrated circuit modules 510 all comprises at least two group full-color LED chipsets, and each is organized described full-color LED chipset and all comprises red LED chips 512, green LED chip 513 and blue led chip 514.Preferably, it is identical that each organizes the relative position that three led chips of red, green, blue are arranged in the described full-color LED chipset, and the light that every group of full-color LED chipset sent is identical.Described red, green, blue three-color LED chip is connected to the circuit pin 511 of described LED integrated circuit modules 510 edges respectively by different lead-in wires, receive drive voltage signal by described circuit pin 511.Preferably, described circuit pin 511 is recessed to described LED integrated circuit modules 510 inside, makes the inside of the as close as possible described LED integrated circuit modules 510 of pad of described circuit pin 511, avoids the pad short circuit of described circuit pin 511.
In the present embodiment, each described LED integrated circuit modules 510 all comprises four groups of described full-color LED chipsets and eight described circuit pins 511, on described first limit 521 of wherein said LED integrated circuit modules 510 two described circuit pins 511 are set, three described circuit pins 511 are set on described the 3rd limit 523, described second limit 522 is provided with a described circuit pin 511, and described the 4th limit 524 is provided with two described circuit pins 511.Three described circuit pins 511 that are provided with on two described circuit pins 511 that are provided with on described first limit 521 and described the 3rd limit 523 dislocation are mutually arranged; Two described circuit pins 511 that are provided with on a described circuit pin 511 that is provided with on described second limit 522 and described the 4th limit 524 dislocation are mutually arranged.
In the described LED display panel 51, can only the described circuit pin 511 on the adjacent edge of two described LED integrated circuit modules 510 be arranged to the form of dislocation mutually, the circuit pin 511 on other the limit is not arranged to the form of dislocation mutually yet.
Among the present invention, the full-color LED chipset that each described LED integrated circuit modules is comprised and the number of described circuit pin, the position of described circuit pin setting is not limited to giving an example of above embodiment, and those skilled in the art can specifically be provided with according to actual conditions.
The circuit theory of described LED integrated circuit modules 510 as shown in figure 11.In the described LED integrated circuit modules 510, two groups of described full-color LED chipsets wherein, the negative electrode of totally six described led chips all is connected to a described circuit pin 511, and the anode of described six led chips is connected to all the other six different described circuit pins 511 respectively; Other two groups the negative electrode of totally six described led chips then be connected to last described circuit pin 511, the anode of the described led chip of its anode and preceding two groups same color links together correspondingly, and the driving voltage by 8 described circuit pins 511 inputs drives four groups of totally 12 described led chips respectively.
Compared with prior art, the described circuit pin 511 that is provided with on the adjacent edge of two described LED integrated circuit modules 510 in the described LED display panel 51 dislocation is mutually arranged, the short circuit of described circuit pin 511 when preventing to weld, therefore the distance between two described LED integrated circuit modules 510 can be provided with closelyr, reduce the pel spacing of described LED display device 50, improve the resolution and the display quality of described LED display device.
Preferably, in each described LED integrated circuit modules 510, the distance between two adjacent red LED chips 512 equates that the distance between two adjacent green LED chips 513 equates, also equating between two adjacent blue led chips 514, as shown in Figure 10.By above-mentioned setting, the distance between the led chip of any two same colors in the described LED integrated circuit modules 510 is all equated, it is more even that the image of described LED display panel 51 is shown, improves the display quality of described LED display device.
Preferably, the distance of two groups of full-color LED chipsets that adjacent two described LED integrated circuit modules 510 middle distances are nearest equals the distance of two groups of nearest full-color LED chipsets of same described LED integrated circuit modules 510 middle distances, as shown in Figure 9.
By above-mentioned setting, the distance between two groups of full-color LED chipsets is all equated, it is more even that the image of described LED display device is shown, improves the display quality of described LED display device.
Preferably, in the described LED integrated circuit modules 510, the intersection on per two mutually perpendicular limits forms a corner, and one of them described corner is provided with installation gap 515.Described installation gap 515 is made of the hypotenuse that connects described two mutually perpendicular limits, and described hypotenuse preferably is set to become miter angle with described two mutually perpendicular limits.In the present embodiment, four described corners of described LED integrated circuit modules 510 all are provided with installation gap 515.
Owing to be provided with described installation gap 515 in the corner of described LED integrated circuit modules 510, therefore when four described LED integrated circuit modules 510 when mode made up with 2 * 2 minutes, in the middle of four described LED integrated circuit modules 510, each described installation gap 515 will form a bigger screw installation site, as shown in Figure 9.Needn't increase distance between two described LED integrated circuit modules 510 because of screw is installed, further shorten the pel spacing of described LED display panel 51, help increasing the resolution of described LED display device.
In the LED display device of each embodiment of the present invention, each described LED integrated circuit modules of forming described LED display panel can rotate arbitrarily angledly simultaneously to be installed, be that four limits of each described LED display device need not to be vertically or level is put, also tiltable is put, and does not influence the technique effect of LED display device of the present invention.The given shape that each described LED display device of the present invention also is not limited to, as rectangle, square, polygon etc.
Above-described embodiment of the present invention does not constitute the qualification to protection domain of the present invention.Any modification of being done within the spirit and principles in the present invention, be equal to and replace and improvement etc., all should be included within the claim protection domain of the present invention.
Claims (10)
1. LED display device, comprise the LED display panel, described LED display panel is provided with led chip, it is characterized in that: described LED display device also comprises the light-absorption layer that is arranged on the described LED display panel, and described light-absorption layer is provided with light hole at the optical position that goes out of the described led chip of correspondence.
2. LED display device as claimed in claim 1, it is characterized in that: described LED display device comprises many group full-color LED chipsets, each group full-color LED chipset all comprises the led chip of three kinds of colors of red, green, blue, and described light-absorption layer goes out optical position in the integral body of corresponding each group full-color LED chipset described light hole is set.
3. LED display device as claimed in claim 1 or 2 is characterized in that: described light hole in the aperture at contiguous described led chip place less than aperture away from described led chip place.
4. LED display device as claimed in claim 3 is characterized in that: be coated with reflectorized material on the inboard hole wall of described light hole.
5. LED display device as claimed in claim 1 or 2 is characterized in that: described light-absorption layer is made of light absorbent, and described light absorbent is coated in going out on the described LED display panel outside the optical position of described led chip.
6. LED display device as claimed in claim 1 or 2 is characterized in that: described light-absorption layer is the black film that is arranged on the described LED integrated circuit modules, and described black film is provided with perforation at the optical position that goes out of the described led chip of correspondence.
7. LED display device as claimed in claim 1 or 2 is characterized in that: described LED display device also comprises the light diffusion sheet that is arranged on the described light-absorption layer.
8. LED display device as claimed in claim 7 is characterized in that: described light diffusion sheet is made of film or the ground glass handled through frosted.
9. LED display device as claimed in claim 1 or 2, it is characterized in that: described LED display panel comprises at least two LED integrated circuit modules, described LED integrated circuit modules comprises led chip and is arranged on circuit pin on the edge of described LED integrated circuit modules, described circuit pin connects each described led chip, the described circuit pin that is provided with on the adjacent edge of two the described LED integrated circuit modules arrangement that misplaces mutually.
10. LED display device as claimed in claim 9 is characterized in that: two groups of full-color LED chipsets are set on the described LED integrated circuit modules at least.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010183945 CN101853615A (en) | 2010-05-20 | 2010-05-20 | LED display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010183945 CN101853615A (en) | 2010-05-20 | 2010-05-20 | LED display device |
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| Publication Number | Publication Date |
|---|---|
| CN101853615A true CN101853615A (en) | 2010-10-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010183945 Pending CN101853615A (en) | 2010-05-20 | 2010-05-20 | LED display device |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103325931A (en) * | 2012-03-23 | 2013-09-25 | 新谱光科技股份有限公司 | SMD light emitting diode structure and display panel improved structure using same |
| CN107631812A (en) * | 2017-07-25 | 2018-01-26 | 首凯汽车零部件（江苏）有限公司 | A kind of high temperature compact substance is into porcelain thermistor temperature sensor |
| CN108074498A (en) * | 2017-12-27 | 2018-05-25 | 威创集团股份有限公司 | Display module, display device and manufacturing method |
| CN108666302A (en) * | 2018-05-17 | 2018-10-16 | 武汉华星光电半导体显示技术有限公司 | chip, display panel and display device |
| WO2021047412A1 (en) * | 2019-09-12 | 2021-03-18 | 深圳光峰科技股份有限公司 | Led screen |
| CN114122235A (en) * | 2021-04-08 | 2022-03-01 | 友达光电股份有限公司 | display device |
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| CN1291354A (en) * | 1998-02-17 | 2001-04-11 | 萨尔诺夫公司 | Contrast enhancement for electronic display device |
| CN101093829A (en) * | 2006-06-20 | 2007-12-26 | 常州东村电子有限公司 | Structure for packaging integration type power model light emitting diode |
| CN201084341Y (en) * | 2007-09-26 | 2008-07-09 | 长春希达电子技术有限公司 | Full-color LED dot matrix display module |
| CN201229745Y (en) * | 2008-07-24 | 2009-04-29 | 长春希达电子技术有限公司 | Full-colored LED integrated three-in-one display constituent element |
| CN101493214A (en) * | 2008-01-23 | 2009-07-29 | 环隆电气股份有限公司 | Multi-wavelength light emitting module with high-density electrical connection |
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| CN1291354A (en) * | 1998-02-17 | 2001-04-11 | 萨尔诺夫公司 | Contrast enhancement for electronic display device |
| CN101093829A (en) * | 2006-06-20 | 2007-12-26 | 常州东村电子有限公司 | Structure for packaging integration type power model light emitting diode |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103325931A (en) * | 2012-03-23 | 2013-09-25 | 新谱光科技股份有限公司 | SMD light emitting diode structure and display panel improved structure using same |
| CN103325931B (en) * | 2012-03-23 | 2015-07-15 | 新谱光科技股份有限公司 | SMD Light Emitting Diode Structure and Improved Structure of Display Panel Using It |
| CN107631812A (en) * | 2017-07-25 | 2018-01-26 | 首凯汽车零部件（江苏）有限公司 | A kind of high temperature compact substance is into porcelain thermistor temperature sensor |
| CN108074498A (en) * | 2017-12-27 | 2018-05-25 | 威创集团股份有限公司 | Display module, display device and manufacturing method |
| CN108666302A (en) * | 2018-05-17 | 2018-10-16 | 武汉华星光电半导体显示技术有限公司 | chip, display panel and display device |
| WO2021047412A1 (en) * | 2019-09-12 | 2021-03-18 | 深圳光峰科技股份有限公司 | Led screen |
| CN114122235A (en) * | 2021-04-08 | 2022-03-01 | 友达光电股份有限公司 | display device |
| CN114122235B (en) * | 2021-04-08 | 2023-09-26 | 友达光电股份有限公司 | display device |
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Application publication date: 20101006 |