CN203573578U - Bonding type flexible LED display device - Google Patents
Bonding type flexible LED display device Download PDFInfo
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- CN203573578U CN203573578U CN201320566155.2U CN201320566155U CN203573578U CN 203573578 U CN203573578 U CN 203573578U CN 201320566155 U CN201320566155 U CN 201320566155U CN 203573578 U CN203573578 U CN 203573578U
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Abstract
The utility model discloses a bonding type flexible LED display device which comprises a display part and a drive control part. The display part comprises a flexible circuit board and LED pixel points arranged on the flexible circuit board, and each LED pixel point structurally comprises a tri-phosphor LED chip bonded on the flexible circuit board, a bowl cup and light-transmitting protection glue, wherein the bowl cups used for reflection and light mixing are arranged on the surface of the flexible circuit board and surround the LED chips, and the bowl cups are filled with the light-transmitting protection glue which covers the LED chips. The flexible circuit board is a composite layer circuit board with two to four layers. Or, the flexible circuit board is formed by vertically stacking two separated flexible circuit board bodies, breaking points are formed at the LED pixel points of the upper-layer flexible circuit board body through a copper sheet punching process and used for bonding the LED chips, and a line layer is formed on the lower-layer flexible circuit board body through an etching process. The bonding type flexible LED display device has the advantages of being small in size, good in heat dissipation, high in pixel and capable of being bent.
Description
Technical field
The utility model relates to LED and shows field, relates in particular to that a kind of volume is little, good heat dissipation, high, the flexible nation of pixel fixed pattern flexible LED display device.
Background technology
Along with progress, the reduction of cost and the development of control technology of LED technology, the display device of being made by LED has that the life-span is long, visual angle large, respond the advantages such as fast, bright in luster, obtained application more and more widely, adopt single RGB light emitting diode as pixel, almost can make the display device of arbitrary dimension.
Existing LED display device main flow is LED display, generally be divided into outdoor and indoor two types of display screens, the specification of outdoor display screen is generally P10mm to P36mm, and the specification of indoor display screen is generally P3mm to P10mm, and P represents the distance between LED pixel.Although indoor display screen can reach the effect that shows picture and text and video, but it is still huge that size is compared with TV size, be not suitable for closely watching, trace it to its cause for pixel interval excessive, traditional LED display is all to adopt adopting surface mounted LED as pixel, be subject to the restriction of adopting surface mounted LED encapsulating structure and circuit board line, distance between pixel generally can only be accomplished 3mm, thereby will reach when certain sharpness requires and still need display screen to do very greatly, make display screen use indoors be subject to certain restriction.
On the other hand, when display screen need to be accomplished small size, high definition, LED quantity in its unit area is very most, thereby the heat producing is also a lot, these heats need exclude in time, and LED is a kind of to the more sensitive light-emitting component of ratio of specific heat, if these heats can not be got rid of in time, can make LED brightness fast reducing, thereby affect the serviceable life of LED display.
Meanwhile, existing LED display is all generally adopt hard display module and be arranged in hard install bin, and it takes up room greatly, is inconvenient to carry and install, and is not suitable for being arranged on special-shaped installed surface.
Utility model content
The purpose of this utility model is to provide that a kind of volume is little, good heat dissipation, high, the flexible nation of pixel fixed pattern flexible LED display device.
The technical scheme that the utility model adopted is for achieving the above object: a kind of nation fixed pattern flexible LED display device, comprise display section, drive control part, described display section comprises flexible PCB, is arranged at the LED pixel on flexible PCB, and the structure of described LED pixel is: comprise nation schedule three-primary color LED chip on flexible PCB, be arranged at flexible PCB surface and be surrounded on LED chip around for reflecting and the bowl cup of mixed light, being filled in bowl cup and covering the printing opacity protection glue of LED chip;
Further, the surface that described flexible PCB is positioned at bowl cup position is frosting, so that bowl cup and flexible PCB combination more securely.
Further, the spacing between described LED pixel is equal to or less than 2mm.
Further, described flexible PCB is layer 2-4 composite bed circuit board.
Further, described flexible PCB also can be formed by stacking up and down by the flexible PCB of two separation, and LED pixel is arranged on the flexible PCB of upper strata, and line layer is arranged on lower floor's flexible PCB.
Further, described for arrange the upper strata flexible PCB of LED pixel adopt die-cut copper sheet technique LED pixel form breakpoint, for nation, determine LED chip; Described lower floor flexible PCB adopts etch process to be formed with line layer.
Further, described display section consists of side by side many vision frequency lamp bars.
Further, described display device is LED display.
Further, described display screen is LED TV.
The beneficial effects of the utility model are:
1, adopt flexible PCB as circuit substrate, replaced traditional hard wiring board, can realize curling packing and be installed on special-shaped installed surface, instant packed and saving installing space;
2, display section adopts nation on flexible PCB determine LED chip formation LED pixel, LED pixel can be done to obtain to crypto set more, realizes the effect of high pixel and high-resolution; On the other hand, under the prerequisite of same pixel, can display device be done littlely;
3, flexible PCB is formed by stacking by two flexible PCBs, and LED pixel is arranged on the flexible PCB of upper strata, and line layer is arranged on lower floor's flexible PCB; Described for arrange the upper strata flexible PCB of LED pixel adopt die-cut copper sheet technique LED pixel form breakpoint, for nation, determine LED chip; Described lower floor flexible PCB adopts etch process to be formed with line layer; It is die-cut that this structure can select the copper sheet of suitable thickness to carry out according to the demand of LED heat radiation, to reach good radiating effect.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and example, the utility model is described in further detail.
Fig. 1 is the schematic diagram of the display section of the utility model embodiment mono-;
Fig. 2 is the A portion enlarged drawing of Fig. 1;
Fig. 3 is the schematic diagram of the utility model embodiment bis-;
Fig. 4 is the schematic diagram of the utility model embodiment tri-;
Fig. 5 is the schematic diagram of the utility model embodiment tetra-;
Fig. 6 is the schematic diagram of the utility model embodiment five.
Embodiment
Shown in seeing figures.1.and.2; a kind of nation fixed pattern flexible LED display device of the utility model embodiment mono-; comprise display section 1, drive control part (not shown); described display section 1 comprises flexible PCB 2, is arranged at the LED pixel 3 on flexible PCB 2, and the structure of described LED pixel 3 is: comprise nation schedule three-primary color LED chip 4 on flexible PCB 2, be arranged at flexible PCB 2 surfaces and be surrounded on LED chip 4 around for reflecting and the bowl cup 5 of mixed light, being filled in bowl cup 5 and covering the printing opacity protection glue 6 of LED chip 4.Spacing between described LED pixel 3 is equal to or less than 2mm; Described flexible PCB 2 is 2 layers of composite bed circuit board, certainly according to circuit, needs also can make 3 layers or 4 layers of composite bed flexible PCB 2.
With reference to the utility model embodiment bis-shown in Fig. 2 and Fig. 3, its structure and embodiment mono-are basic identical, difference is that flexible PCB 2 is formed by stacking by the flexible PCB of two separation, by upper strata flexible PCB 2a and the flexible PCB 2b of lower floor, be formed by stacking, LED pixel 3 nations are upper due to upper strata flexible PCB 2a, and line layer is arranged on the flexible PCB 2b of lower floor.The described upper strata flexible PCB 2a that determines LED pixel 3 for nation adopts die-cut copper sheet process forming, and forms breakpoint 7 at LED pixel 3, for nation, determines LED chip 4; The described flexible PCB 2b of lower floor adopts etch process to be formed with line layer.
With reference to the utility model embodiment tri-shown in Fig. 4, its structure and embodiment mono-are basic identical, and difference is that display section 1 is separated into many vision frequency lamp bars 8, and each vision frequency lamp bar 8 is connected in driving governor 10 by data line 9.
With reference to the utility model embodiment tetra-shown in Fig. 5, its structure is the structure composition LED televisor 11 in conjunction with televisor by the structure of embodiment mono-.
With reference to the utility model embodiment five shown in Fig. 6, its structure is the structure composition LED display 12 in conjunction with LED display by the structure of embodiment mono-.
Above-described the beneficial effects of the utility model are:
1, adopt flexible PCB 2 as circuit substrate, replaced traditional hard wiring board, can realize curling packing and be installed on special-shaped installed surface, instant packed and saving installing space;
2, display section 1 adopts on flexible PCB 2 nation to determine LED chip 4 and forms LED pixel 3, LED pixel 3 can be done to obtain to crypto set more, realizes the effect of high pixel and high-resolution; On the other hand, under the prerequisite of same pixel, can display device be done littlely;
3, flexible PCB 2 is formed by stacking by the flexible PCB of two separation, and it is upper that LED pixel 3 is arranged at upper strata flexible PCB 2a, and line layer is arranged on the flexible PCB 2b of lower floor; Describedly for the upper strata flexible PCB 2a of LED pixel 3 is set, adopt die-cut copper sheet technique to form breakpoint 7 at LED pixel 3, for nation, determine LED chip 4; The described flexible PCB 2b of lower floor adopts etch process to be formed with line layer; It is die-cut that this structure can select the copper sheet of suitable thickness to carry out according to the demand of LED heat radiation, to reach good radiating effect.
The above, be preferred embodiment of the present utility model, and the utility model is not limited to above-mentioned embodiment, as long as it reaches technique effect of the present utility model with equal means, all should belong to protection domain of the present utility model.
Claims (9)
1. nation's fixed pattern flexible LED display device; comprise display section, drive control part; it is characterized in that: described display section comprises flexible PCB, is arranged at the LED pixel on flexible PCB, and the structure of described LED pixel is: comprise nation schedule three-primary color LED chip on flexible PCB, be arranged at flexible PCB surface and be surrounded on LED chip around for reflecting and the bowl cup of mixed light, being filled in bowl cup and covering the printing opacity protection glue of LED chip.
2. a kind of nation according to claim 1 fixed pattern flexible LED display device, is characterized in that: the spacing between described LED pixel is equal to or less than 2mm.
3. a kind of nation according to claim 1 fixed pattern flexible LED display device, is characterized in that: described flexible PCB is 2 to 4 layers of composite bed circuit board.
4. a kind of nation according to claim 1 fixed pattern flexible LED display device, it is characterized in that: described flexible PCB is formed by stacking up and down by the flexible PCB of two separation, LED pixel is arranged on the flexible PCB of upper strata, and line layer is arranged on lower floor's flexible PCB.
5. a kind of nation according to claim 4 fixed pattern flexible LED display device, it is characterized in that: describedly for the upper strata flexible PCB of LED pixel is set, adopt die-cut copper sheet process forming, and in LED pixel position, form breakpoint, for nation, determine LED chip; Described lower floor flexible PCB adopts etch process to be formed with line layer.
6. according to a kind of nation fixed pattern flexible LED display device described in any one in claim 1,2,3 or 5, it is characterized in that: described display section consists of side by side many vision frequency lamp bars.
7. according to a kind of nation fixed pattern flexible LED display device described in any one in claim 1,2,3 or 5, it is characterized in that: described display section is for LED display.
8. according to a kind of nation fixed pattern flexible LED display device described in any one in claim 1,2,3 or 5, it is characterized in that: described display section is for LED TV.
9. according to a kind of nation fixed pattern flexible LED display device described in any one in claim 1,2,3 or 5, it is characterized in that: the surface that described flexible PCB is positioned at bowl cup position is frosting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320566155.2U CN203573578U (en) | 2013-09-12 | 2013-09-12 | Bonding type flexible LED display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320566155.2U CN203573578U (en) | 2013-09-12 | 2013-09-12 | Bonding type flexible LED display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203573578U true CN203573578U (en) | 2014-04-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320566155.2U Expired - Lifetime CN203573578U (en) | 2013-09-12 | 2013-09-12 | Bonding type flexible LED display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203573578U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105226167A (en) * | 2015-11-02 | 2016-01-06 | 杭州电子科技大学 | A kind of flexible LED filament of full angle luminescence and manufacture method thereof |
| CN107895735A (en) * | 2017-11-30 | 2018-04-10 | 深圳市普耐光电科技有限公司 | A kind of flexible display screen |
-
2013
- 2013-09-12 CN CN201320566155.2U patent/CN203573578U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105226167A (en) * | 2015-11-02 | 2016-01-06 | 杭州电子科技大学 | A kind of flexible LED filament of full angle luminescence and manufacture method thereof |
| CN105226167B (en) * | 2015-11-02 | 2017-06-27 | 杭州电子科技大学 | A kind of luminous flexible LED filament of full angle and its manufacture method |
| CN107895735A (en) * | 2017-11-30 | 2018-04-10 | 深圳市普耐光电科技有限公司 | A kind of flexible display screen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 529728 Jiangmen City, Heshan Province, Republican Town, Xianghe Road, No. H, building, 326 Patentee after: Guangdong Tongfang Science Park Co.,Ltd. Address before: 529728 Jiangmen City, Heshan Province, Republican Town, Xianghe Road, No. H, building, 326 Patentee before: HESHAN TONGFANG LIGHTING TECHNOLOGY Co.,Ltd. Address after: 529728 Jiangmen City, Heshan Province, Republican Town, Xianghe Road, No. H, building, 326 Patentee after: HESHAN TONGFANG LIGHTING TECHNOLOGY Co.,Ltd. Address before: 529728 Jiangmen City, Heshan Province, Republican Town, Xianghe Road, No. H, building, 326 Patentee before: HE SHAN LIDE ELECTRONIC ENTERPRISE COMPANY LIMITIED |
|
| CP01 | Change in the name or title of a patent holder | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20190828 Address after: No. 301, Xianghe Road, Gonghe Town, Heshan City, Jiangmen City, Guangdong Province, 529728 Patentee after: GUANGDONG TONGFANG DECORATIVE LIGHTING Co.,Ltd. Address before: 529728 Jiangmen City, Heshan Province, Republican Town, Xianghe Road, No. H, building, 326 Patentee before: Guangdong Tongfang Science Park Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140430 |
|
| CX01 | Expiry of patent term |