CN205992385U - LED display device - Google Patents
LED display device Download PDFInfo
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- CN205992385U CN205992385U CN201620758319.5U CN201620758319U CN205992385U CN 205992385 U CN205992385 U CN 205992385U CN 201620758319 U CN201620758319 U CN 201620758319U CN 205992385 U CN205992385 U CN 205992385U
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- 239000000758 substrate Substances 0.000 claims abstract description 31
- 230000004888 barrier function Effects 0.000 claims description 6
- 239000004065 semiconductor Substances 0.000 abstract description 2
- 239000003086 colorant Substances 0.000 abstract 1
- 229920001621 AMOLED Polymers 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a LED display device belongs to semiconductor technical field. The LED display device comprises a circuit substrate and a plurality of LED chips arranged on the circuit substrate, wherein the colors of the LED chips comprise at least one of red, green and blue, the LED chips are communicated with lines laid on the circuit substrate through a connecting bridge, the LED chips comprise a substrate and an N-type layer, a light-emitting layer and a P-type layer which are sequentially stacked on the substrate, a groove extending to the N-type layer is formed in the P-type layer, an N-type electrode is arranged at the center of the N-type layer, and a P-type electrode is arranged at the edge of the P-type layer. The utility model discloses a LED display device.
Description
Technical field
This utility model is related to technical field of semiconductors, particularly to a kind of light-emitting diode display part.
Background technology
Liquid crystal display, active matrix organic light-emitting diode (AMOLED) panel (Active Matrix/Organic Light
Emitting Diode, abbreviation AMOLED) etc. be small-size display universal at present.Small-size display universal at present is all
There is limited brightness, cannot make one to see the image of its display under high light.
With light emitting diode (Lighting Emitting Diode, abbreviation LED) display and lighting field extensive
Application, can replace small size universal at present to show using the display device of micron order LED (Micro LED) chip composition
Device.Because the display device of LED chip composition has brightness height, therefore can make one to can be clearly seen that it under high light
The image of display.But do not make the particular technique of light-emitting diode display part at present.
Utility model content
In order to solve problem of the prior art, this utility model embodiment provides a kind of light-emitting diode display part.Described technology
Scheme is as follows：
This utility model embodiment provides a kind of LED display device, and described light-emitting diode display part includes electricity
Base board and be arranged on multiple LED chips on described circuit substrate, the color of the plurality of LED chip includes red, green
At least one in normal complexion blueness, described LED chip and described circuit substrate are connected by cross structure between the circuit of laying,
Described LED chip includes substrate and stacks gradually N-type layer over the substrate, luminescent layer, P-type layer, in described P-type layer
Offer the groove extending to described N-type layer, described N-type layer be provided centrally with N-type electrode, the edge setting of described P-type layer
There is P-type electrode.
Alternatively, described P-type layer extends to the side wall of described N-type layer and described P-type layer extends to the side of described substrate
Insulating barrier is provided with wall.
Alternatively, described insulating barrier is reflector layer or photic zone.
Alternatively, the size of described LED chip is 20～80 μm.
The beneficial effect brought of technical scheme that this utility model embodiment provides is：
By circuit substrate and multiple LED chips of being arranged on circuit substrate, the color of multiple LED chips includes red
Connected by cross structure between the circuit of laying at least one in color, green and blueness, LED chip and circuit substrate, LED
Chip includes substrate and is sequentially laminated on N-type layer on substrate, luminescent layer, P-type layer, P-type layer offers and extends to N-type
Layer groove, N-type layer be provided centrally with N-type electrode, the edge of P-type layer is provided with P-type electrode, realizes light-emitting diode display part.
Brief description
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, below will be to required in embodiment description
Accompanying drawing to be used be briefly described it should be apparent that, drawings in the following description are only that of the present utility model some are real
Apply example, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the structural representation of the light-emitting diode display part that this utility model embodiment provides.
Specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, new to this practicality below in conjunction with accompanying drawing
Type embodiment is described in further detail.
Embodiment
This utility model embodiment provides a kind of light-emitting diode display part, and referring to Fig. 1, this light-emitting diode display part includes circuit base
Plate 40 and be arranged on multiple LED chips 60 on circuit substrate 40, the color of multiple LED chips 60 include redness, green and
At least one in blueness, LED chip 60 and circuit substrate 40 is connected by cross structure 6 between the circuit of laying, LED chip
60 include substrate 4 and stack gradually N-type layer on the substrate 4, luminescent layer, P-type layer 3, P-type layer offers and extends to N-type
Layer groove, N-type layer be provided centrally with N-type electrode 2, the edge of P-type layer is provided with P-type electrode 1.
Alternatively, P-type layer extends to the side wall of N-type layer and P-type layer extends to and can be provided with the side wall of substrate 4
Insulating barrier 5.
Alternatively, insulating barrier 5 can be reflector layer or photic zone.
Alternatively, the size of LED chip 60 can be 20～80 μm, such as 50 μm.
The embodiment of the present invention passes through circuit substrate and the multiple LED chips being arranged on circuit substrate, multiple LED chips
Color includes at least one in redness, green and blueness, by connecting between the circuit of laying on LED chip and circuit substrate
Bridging is led to, and LED chip includes substrate and is sequentially laminated on N-type layer on substrate, luminescent layer, P-type layer, and P-type layer offers
Extend to the groove of N-type layer, N-type layer be provided centrally with N-type electrode, the edge of P-type layer is provided with P-type electrode, realizes LED and shows
Show device.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all in this practicality
Within new spirit and principle, any modification, equivalent substitution and improvement made etc., should be included in guarantor of the present utility model
Within the scope of shield.
Claims (4)
1. a kind of LED display device is it is characterised in that described light-emitting diode display part includes circuit substrate, Yi Jishe
Put the multiple LED chips on described circuit substrate, the color of the plurality of LED chip is included in redness, green and blueness
Connected by cross structure between the circuit of laying at least one, described LED chip and described circuit substrate, described LED chip
Including substrate and stack gradually N-type layer over the substrate, luminescent layer, P-type layer, described P-type layer offers and extends to
The groove of described N-type layer, described N-type layer be provided centrally with N-type electrode, the edge of described P-type layer is provided with P-type electrode.
2. light-emitting diode display part according to claim 1 is it is characterised in that described P-type layer extends to the side of described N-type layer
Wall and described P-type layer extend to and are provided with insulating barrier on the side wall of described substrate.
3. light-emitting diode display part according to claim 2 is it is characterised in that described insulating barrier is reflector layer or photic zone.
4. light-emitting diode display part according to claim 1 and 2 is it is characterised in that the size of described LED chip is 20～80 μ
m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620758319.5U CN205992385U (en) | 2016-07-15 | 2016-07-15 | LED display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620758319.5U CN205992385U (en) | 2016-07-15 | 2016-07-15 | LED display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205992385U true CN205992385U (en) | 2017-03-01 |
Family
ID=58102017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620758319.5U Active CN205992385U (en) | 2016-07-15 | 2016-07-15 | LED display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205992385U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106097904A (en) * | 2016-07-15 | 2016-11-09 | 华灿光电（浙江）有限公司 | LED display device and manufacturing method thereof |
| TWI641778B (en) * | 2017-12-19 | 2018-11-21 | 宏碁股份有限公司 | Micro lighting device |
-
2016
- 2016-07-15 CN CN201620758319.5U patent/CN205992385U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106097904A (en) * | 2016-07-15 | 2016-11-09 | 华灿光电（浙江）有限公司 | LED display device and manufacturing method thereof |
| TWI641778B (en) * | 2017-12-19 | 2018-11-21 | 宏碁股份有限公司 | Micro lighting device |
| US10665764B2 (en) | 2017-12-19 | 2020-05-26 | Acer Incorporated | Micro lighting device |
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