CN101551549A - Backlight of light-emitting diodes - Google Patents
Backlight of light-emitting diodes Download PDFInfo
- Publication number
- CN101551549A CN101551549A CNA2008101034334A CN200810103433A CN101551549A CN 101551549 A CN101551549 A CN 101551549A CN A2008101034334 A CNA2008101034334 A CN A2008101034334A CN 200810103433 A CN200810103433 A CN 200810103433A CN 101551549 A CN101551549 A CN 101551549A
- Authority
- CN
- China
- Prior art keywords
- light
- circuit board
- emitting diode
- light emitting
- source
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000004973 liquid crystal related substance Substances 0.000 abstract description 3
- 230000005855 radiation Effects 0.000 abstract 2
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 239000006185 dispersion Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000003760 hair shine Effects 0.000 description 1
- 238000004020 luminiscence type Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Images
Landscapes
- Planar Illumination Modules (AREA)
- Fastening Of Light Sources Or Lamp Holders (AREA)
Abstract
The invention relates to a backlight of light-emitting diodes, comprising circuit boards and the light-emitting diodes which are fixedly connected on the circuit boards, the circuit boards comprise a first circuit board and a second circuit board which are arranged in parallel, first light-emitting diodes arranged on the first circuit board and second light-emitting diodes arranged on the second circuit board are staggeredly arranged, and light holes which lead light emitted by the second light-emitting diodes on the second circuit board to penetrate the first circuit board and be evenly mixed with the light emitted by the first light-emitting diodes on the first circuit board are arranged among the adjacent first light-emitting diodes on the first circuit board. The backlight of the light-emitting diodes can realize even mixing the light within a small distance, thereby meeting the pursuit of a liquid crystal display on light and thin properties; simultaneously, the backlight is provided with two layers of the circuit boards, and the light holes are arranged on the first circuit board, thereby being capable of increasing the heat radiation area of the circuit boards and improving the heat radiation performance of the circuit boards.
Description
Technical field
The present invention relates to the backlight of liquid crystal indicator, particularly a kind of back light source in LED.
Background technology
Traditional LCD backlight source is the cold cathode luminotron, because light emitting diode has high colour gamut, low consumption, free of contamination advantage, therefore uses light emitting diode as backlight in field of liquid crystal display more and more in recent years.Light emitting diode belongs to little chip light emitting, is approximately pointolite, and present using method is that light emitting diode is welded into linear array or face battle array on the individual layer planar circuit board, through behind certain even mixed light of light path, uses as line source or area source.Because the LED source emitting characteristics can make close to sources zone mixed light inhomogeneous, produces bright dark areas.Present solution is to realize even light mixing by increasing light path, though this method can be eliminated the heterogeneity of mixed light to a certain extent, but the increase of light path can cause back light source structure thickening or non-image areas to become big, and this and LCD are pursued lightening wish and run in the opposite direction.
Summary of the invention
The purpose of this invention is to provide a kind of back light source in LED, effectively solve existing back light source in LED and realize that by increasing light path even mixed light causes the shortcoming of back light source structure thickening.
For achieving the above object, the invention provides a kind of back light source in LED, comprise circuit board and the light emitting diode that is fixed on the described circuit board, described circuit board comprises first circuit board and the second circuit board that be arranged in parallel, second light emitting diode that is provided with on first light emitting diode that is provided with on the described first circuit board and the described second circuit board is crisscross arranged, and offers between first light emitting diode of vicinity on the first circuit board to make the light that second light emitting diode sends on the second circuit board pass described first circuit board, and the light hole of the even mixed light of light that sends with first light emitting diode on the first circuit board.
First light emitting diode on the described first circuit board and second light emitting diode on the described second circuit board are the linear array line source of arranging or the area source of arranging for the face battle array.
Described light hole is circle, ellipse, triangle, rectangle or polygon.
The area of described light hole is greater than the sectional area of described second light emitting diode perpendicular to its axis.
For achieving the above object, the present invention also provides a kind of back light source in LED, comprise circuit board and the light emitting diode that is fixed on the described circuit board, be formed with the projection that is arranged in order on the described circuit board, and between contiguous projection, form groove, described protruding upper surface is provided with first light emitting diode, and described groove inside surface is provided with second light emitting diode of the even mixed light of light that sends with described first light emitting diode.
Described first light emitting diode and second light emitting diode are the linear array line source of arranging or the area source of arranging for the face battle array.
Described projection is a rectangular preiection, and described groove is a rectangular recess.
The degree of depth of described groove is greater than the length of the described second light-emitting diodes tube axis direction.
The area of described groove is greater than the sectional area of described second light emitting diode perpendicular to its axis.
The invention provides two kinds of back light source in LED, by adopting the two-tier circuit plate or containing the form of the circuit board of projection, light emitting diode is divided into first light emitting diode and second light emitting diode, second light emitting diode can effectively remedy the dark space that first light emitting diode forms in the mixed light process, in very little distance, realize even mixed light, satisfy LCD to lightening pursuit, improved the brightness of backlight.Simultaneously, use the two-tier circuit plate and light hole is set on first circuit board and circuit board that employing has a projection can increase the area of dissipation of circuit board, improve the heat dispersion of circuit board.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Description of drawings
Fig. 1 is the structural representation of back light source in LED first scheme of the present invention;
Fig. 2 is the light emitting diode assembling synoptic diagram of the present invention's first scheme;
Fig. 3 is the board structure of circuit synoptic diagram of the present invention's first scheme;
Fig. 4 is the line source structural representation of the present invention's first scheme;
Fig. 5 is the side-light type back light structural representation of the present invention's first scheme;
Fig. 6 is the planar array type back light source structure synoptic diagram of the present invention's first scheme;
Fig. 7 is the structural representation of back light source in LED alternative plan of the present invention.
Description of reference numerals:
The 1-light guide plate; The 2-circuit board; The 3-light emitting diode;
The 4-light hole; The 5-electric wire; The 6-power supply interface;
The 21-first circuit board; The 22-second circuit board; The 23-projection;
The 24-groove; 31-first light emitting diode; 32-second light emitting diode;
The effective light-emitting zone of 201-; The 202-framework; The 203-leg.
Embodiment
Back light source in LED first scheme of the present invention
Fig. 1 is the structural representation of back light source in LED first scheme of the present invention, as shown in Figure 1, this programme back light source in LED comprises first circuit board 21, second circuit board 22, several first light emitting diode 31 and several second light emitting diodes 32, light guide plate 1 is positioned at a side of first circuit board 21, several first light emitting diodes 31 evenly are fixed on the first circuit board 21, offer light hole 4 between two the first contiguous light emitting diodes 31, second circuit board 22 is set in parallel in the opposite side of first circuit board 21, several second light emitting diodes 32 evenly are fixed on the second circuit board 22, and the position of light hole 4 is corresponding on the position of each second light emitting diode 32 and the first circuit board 21, makes second light emitting diode 32 sends on the second circuit board 22 light pass light hole 4 on the first circuit board 21, and the even mixed light of light that sends with first light-emitting diodes, 31 pipes on the first circuit board 21.
In the technical solution of the present invention, the area of light hole 4 is greater than the sectional area of second light emitting diode 32 perpendicular to its axis, distance between first circuit board 21 and the second circuit board 22 should guarantee not to be short-circuited between two circuit boards and second light emitting diode 32 does not exceed under the prerequisite of first circuit board 21 as far as possible little, reducing the thickness of backlight, and then make whole LCD thin as much as possible after assembling.
Fig. 2 is the light emitting diode assembling synoptic diagram of the present invention's first scheme, as shown in Figure 2, light emitting diode comprises effective light-emitting zone 201, framework 202 and leg 203, and the core content of light emitting diode is the wafer that P-type semiconductor and N-type semiconductor are formed, and the P-N knot is as transition bed between the two.When the P-N knot applied forward voltage, injected minority carrier discharged with the form of the compound back of majority carrier excess energy with light, produces luminescence phenomenon, and not luminous when it applies reverse voltage.Its main characteristics is that luminous frequency spectrum is wide, colour gamut is wide, and its light intensity is by Current Control.The light emitting diode quantity that is applied in the back light source system is a lot, and each chip all needs a pair of pin to power, if utilize independent line powered will make circuit very complicated, and be difficult to fix, so the present invention adopts the form of circuit board.Fig. 3 is the board structure of circuit synoptic diagram of the present invention's first scheme, as shown in Figure 3, light emitting diode 3 is welded on the circuit board 2, light emitting diode 3 is connected with electric wire 5 by the power supply interface 6 that is provided with on the circuit board 2, light emitting diode 3 also can take other affixed modes to be fixed on the circuit board, connect up by the circuit supply mode on circuit board 23, the bottom of circuit board can adopt the aluminum heat sink material.
Line source that first light emitting diode on the first circuit board and second light emitting diode on the second circuit board can be arranged for linear array or the area source of arranging for the face battle array.
Fig. 4 is the line source structural representation of the present invention's first scheme, as shown in Figure 4, light emitting diode all is row and arranges on the two-tier circuit plate, first light emitting diode 31 is welded on the first circuit board 21, second light emitting diode 32 is welded on second section way plate 22, offers light hole 4 on first circuit board.First light emitting diode on the first circuit board constitutes line source, and single light emitting diode is a pointolite, there is certain emission angle, therefore when its light that sends is mapped on the light guide plate, the light that two adjacent light emitting diodes send can form the dark space in dipped beam journey zone, and on light guide plate 1 second circuit board far away, row second light emitting diode is being set, light emitting diode on the two-tier circuit plate is staggeredly placed, the light that second light emitting diode sends shines on the light guide plate by light hole, can compensate to the dark space that first light emitting diode forms, thereby realize even mixed light.In an embodiment, second light emitting diode is preferably located in the center of two first light emitting diodes, can reach best compensation effect like this.The light emitting diode that linear array is arranged forms line source, is applicable to the side-light type back light system.Fig. 5 is the side-light type back light structural representation of the present invention's first scheme, and first circuit board 21, second circuit board 22 are installed in the side of light guide plate 1, and the light that light emitting diode sends enters light guide plate 1 from the side.
Fig. 6 is the planar array type back light source structure synoptic diagram of the present invention's first scheme, as shown in Figure 6,4 one-tenth matrix forms of first light emitting diode 31 on the first circuit board 21 and light hole are arranged, light hole 4 is between two first adjacent on row or column light emitting diodes 31, light hole 4 corresponding settings on second light emitting diode 32 on the second circuit board 22 and the first circuit board 21, the even mixed light of light that the light that second light emitting diode 32 sends can send by the light hole 4 and first light emitting diode.In implementation process, preferably, light hole is positioned at the center of two first adjacent light emitting diodes, and the center of light hole is corresponding with the center of second light emitting diode, and the light that second light emitting diode is sent can compensate the dark space that forms in the first light emitting diode mixed light to greatest extent.The light emitting diode that the face battle array is arranged forms area source, is applicable to the planar array type back light source system.
In the technique scheme of the present invention, the light hole on the first circuit board can be circle, ellipse, triangle, rectangle or polygon.
Back light source in LED alternative plan of the present invention
Fig. 7 is the structural representation of back light source in LED alternative plan of the present invention, as shown in Figure 7, back light source in LED in this programme comprises circuit board, several first light emitting diodes 31 and several second light emitting diodes 32 that is made of projection 23 and groove 24, projection 23 on the circuit board and groove 24 are provided with at interval, several first light emitting diodes 31 are arranged on the upper surface of projection 23, several second light emitting diodes 32 are arranged on the inside surface of groove 24, the even mixed light of light that second light emitting diode 32 and first light emitting diode 31 are sent.
In the technical solution of the present invention, the degree of depth of groove 23 is greater than the length of second light emitting diode, 32 axis directions, and the area of groove 23 is greater than the sectional area of second light emitting diode 32 perpendicular to its axis.
Line source that first light emitting diode and second light emitting diode can be arranged for linear array or the area source of arranging for the face battle array.
When the light emitting diode linear array is arranged, second light emitting diode in first light emitting diode on the projection and the groove is row separately and arranges, first light emitting diode on the projection constitutes line source, and single light emitting diode is a pointolite, there is certain emission angle, the light that two adjacent light emitting diodes send can form the dark space in dipped beam journey zone, one row, second light emitting diode is set in the groove of circuit board, and first light emitting diode and the dislocation of second light emitting diode are placed, the light that second light emitting diode sends can compensate to the dark space that first light emitting diode forms, and realizes even mixed light.In an embodiment, second light emitting diode is preferably located in the center of two first light emitting diodes, can reach best compensation effect like this.The light emitting diode that linear array is arranged forms line source, is applicable to the side-light type back light system.
When light emitting diode face battle array is arranged, second light emitting diode in first light emitting diode on the projection and the groove is matrix form and arranges, first light emitting diode and second light emitting diode shift to install, be located at second light emitting diode in the groove and can compensate the dark space that first light emitting diode that is located at bossing forms in the mixed light process, realize even mixed light.The light emitting diode that the face battle array is arranged forms area source, is applicable to the planar array type back light source system.
In technique scheme, the projection on the circuit board is preferably rectangular preiection, and groove is preferably rectangular recess.
Technique scheme of the present invention provides two kinds of back light source in LED, by adopting the two-tier circuit plate or containing the form of the circuit board of projection, light emitting diode is divided into first light emitting diode and second light emitting diode, second light emitting diode can effectively remedy the dark space that first light emitting diode forms in the mixed light process, in very little distance, realize even mixed light, satisfy LCD to lightening pursuit, improved the brightness of backlight.Simultaneously, use the two-tier circuit plate and light hole is set on first circuit board and circuit board that employing has a projection can increase the area of dissipation of circuit board, improve the heat dispersion of circuit board.
It should be noted that at last: above embodiment is only in order to technical scheme of the present invention to be described but not limit it, although the present invention is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that: it still can make amendment or be equal to replacement technical scheme of the present invention, and these modifications or be equal to replacement and also can not make amended technical scheme break away from the spirit and scope of technical solution of the present invention.
Claims (9)
1, a kind of back light source in LED, comprise circuit board and the light emitting diode that is fixed on the described circuit board, it is characterized in that, described circuit board comprises first circuit board and the second circuit board that be arranged in parallel, second light emitting diode that is provided with on first light emitting diode that is provided with on the described first circuit board and the described second circuit board is crisscross arranged, and offers between first light emitting diode of vicinity on the first circuit board to make the light that second light emitting diode sends on the second circuit board pass described first circuit board, and the light hole of the even mixed light of light that sends with first light emitting diode on the first circuit board.
2, back light source in LED according to claim 1 is characterized in that, first light emitting diode on the described first circuit board and second light emitting diode on the described second circuit board are the linear array line source of arranging or the area source of arranging for the face battle array.
3, back light source in LED according to claim 1 is characterized in that, described light hole is circle, ellipse, triangle, rectangle or polygon.
According to the described back light source in LED of arbitrary claim in the claim 1～3, it is characterized in that 4, the area of described light hole is greater than the sectional area of described second light emitting diode perpendicular to its axis.
5, a kind of back light source in LED, comprise circuit board and the light emitting diode that is fixed on the described circuit board, it is characterized in that, be formed with the projection that is arranged in order on the described circuit board, and between contiguous projection, form groove, described protruding upper surface is provided with first light emitting diode, and described groove inside surface is provided with second light emitting diode of the even mixed light of light that sends with described first light emitting diode.
6, back light source in LED according to claim 5 is characterized in that, described first light emitting diode and second light emitting diode are the linear array line source of arranging or the area source of arranging for the face battle array.
7, back light source in LED according to claim 5 is characterized in that, described projection is a rectangular preiection, and described groove is a rectangular recess.
8, according to the described back light source in LED of arbitrary claim in the claim 5～7, it is characterized in that the degree of depth of described groove is greater than the length of the described second light-emitting diodes tube axis direction.
According to the described back light source in LED of arbitrary claim in the claim 5～7, it is characterized in that 9, the area of described groove is greater than the sectional area of described second light emitting diode perpendicular to its axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101034334A CN101551549B (en) | 2008-04-03 | 2008-04-03 | Backlight of light-emitting diodes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101034334A CN101551549B (en) | 2008-04-03 | 2008-04-03 | Backlight of light-emitting diodes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101551549A true CN101551549A (en) | 2009-10-07 |
| CN101551549B CN101551549B (en) | 2010-10-06 |
Family
ID=41155871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101034334A Expired - Fee Related CN101551549B (en) | 2008-04-03 | 2008-04-03 | Backlight of light-emitting diodes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101551549B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102162597A (en) * | 2010-02-16 | 2011-08-24 | 夏普株式会社 | Backlight unit and display device including the same |
| CN102878483A (en) * | 2012-07-02 | 2013-01-16 | 友达光电股份有限公司 | Display device and backlight module thereof |
| CN104197246A (en) * | 2014-09-09 | 2014-12-10 | 深圳市华星光电技术有限公司 | Laterally-entering type backlight module and liquid crystal display device |
| CN104216170A (en) * | 2014-08-20 | 2014-12-17 | 合肥京东方光电科技有限公司 | Backlight source, display panel and display device |
| CN105020600A (en) * | 2014-04-26 | 2015-11-04 | 欧普照明股份有限公司 | Lamp |
| CN106405935A (en) * | 2016-10-27 | 2017-02-15 | 深圳市华星光电技术有限公司 | LED lamp strip used on ultrathin ultra-narrow frame liquid crystal display |
| CN109282175A (en) * | 2017-07-21 | 2019-01-29 | 通用电气照明解决方案有限公司 | Panel light and preparation method thereof |
| CN111796457A (en) * | 2020-05-08 | 2020-10-20 | 赣州市牧士电子有限公司 | Backlight module for 8K intelligent digital television |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201017141Y (en) * | 2006-12-18 | 2008-02-06 | 科桥电子股份有限公司 | Light source device of backlight module |
-
2008
- 2008-04-03 CN CN2008101034334A patent/CN101551549B/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102162597B (en) * | 2010-02-16 | 2013-07-31 | 夏普株式会社 | Backlight unit and display device including the same |
| CN102162597A (en) * | 2010-02-16 | 2011-08-24 | 夏普株式会社 | Backlight unit and display device including the same |
| CN102878483B (en) * | 2012-07-02 | 2015-09-02 | 友达光电股份有限公司 | Display device and backlight module thereof |
| CN102878483A (en) * | 2012-07-02 | 2013-01-16 | 友达光电股份有限公司 | Display device and backlight module thereof |
| TWI468809B (en) * | 2012-07-02 | 2015-01-11 | Au Optronics Corp | Display device and backlight module thereof |
| CN105020600A (en) * | 2014-04-26 | 2015-11-04 | 欧普照明股份有限公司 | Lamp |
| US9772438B2 (en) | 2014-08-20 | 2017-09-26 | Boe Technology Group Co., Ltd. | Backlight, display panel and display device |
| CN104216170A (en) * | 2014-08-20 | 2014-12-17 | 合肥京东方光电科技有限公司 | Backlight source, display panel and display device |
| CN104197246A (en) * | 2014-09-09 | 2014-12-10 | 深圳市华星光电技术有限公司 | Laterally-entering type backlight module and liquid crystal display device |
| CN106405935A (en) * | 2016-10-27 | 2017-02-15 | 深圳市华星光电技术有限公司 | LED lamp strip used on ultrathin ultra-narrow frame liquid crystal display |
| CN106405935B (en) * | 2016-10-27 | 2019-09-24 | 深圳市华星光电技术有限公司 | LED light bar applied to ultra-thin ultra-narrow frame liquid crystal display |
| CN109282175A (en) * | 2017-07-21 | 2019-01-29 | 通用电气照明解决方案有限公司 | Panel light and preparation method thereof |
| CN109282175B (en) * | 2017-07-21 | 2021-09-21 | 卡任特照明解决方案有限公司 | Panel light and manufacturing method thereof |
| CN111796457A (en) * | 2020-05-08 | 2020-10-20 | 赣州市牧士电子有限公司 | Backlight module for 8K intelligent digital television |
| WO2021223228A1 (en) * | 2020-05-08 | 2021-11-11 | 赣州市牧士电子有限公司 | Backlight module for 8k smart digital tv |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101551549B (en) | 2010-10-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101551549B (en) | Backlight of light-emitting diodes | |
| CN203300693U (en) | Light emitting diode chip capable of emitting light in multiple directions and light emitting device thereof | |
| US20080093607A1 (en) | Light emitting diode device, method of fabrication and use thereof | |
| TWI422924B (en) | Liquid crystal display device | |
| CN201066688Y (en) | LED and backlight module | |
| CN102347323A (en) | Color-temperature-tunable device | |
| CN105445994B (en) | A kind of light source module, backlight module and display device | |
| KR20050022820A (en) | device for back light unit using LED chip | |
| CN202058732U (en) | High-power LED (light-emitting diode) white light panel with separated chip and fluorescent powder | |
| CN101852342A (en) | LED light source and backlight module | |
| KR20110043973A (en) | A light device with replaceable module | |
| KR20130070043A (en) | Light emitting diode and liquid crystal display device using the same | |
| US20140071655A1 (en) | Direct Backlight Module | |
| CN203617296U (en) | Flip-chip type light-emitting diode unit | |
| CN101173739A (en) | Light source | |
| CN103062668A (en) | Backlight unit lamp strip and method for arranging LEDs on basis of backlight unit lamp strip | |
| CN201615359U (en) | LED lamp | |
| CN209804177U (en) | Energy-saving micro LED display module | |
| CN101833196A (en) | Direct-light type LED backlight superhigh-brightness liquid crystal display screen | |
| CN112562499A (en) | Ultra-thin Mini LED backlight with high degree of consistency | |
| CN202691628U (en) | Lamp fitting | |
| CN102691944A (en) | Light emitting diode (LED) edge-lighting backlight module | |
| CN214474333U (en) | Direct type backlight LED module | |
| CN202118694U (en) | Direct illumination type light emitting diode backlight and light emitting diode advertising lamp board | |
| CN203948978U (en) | Light-emitting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY Effective date: 20141211 Owner name: JINGDONGFANG SCIENCE AND TECHNOLOGY GROUP CO., LTD Free format text: FORMER OWNER: BEIJING BOE PHOTOELECTRICITY SCIENCE + TECHNOLOGY CO., LTD. Effective date: 20141211 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 100176 DAXING, BEIJING TO: 100015 CHAOYANG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20141211 Address after: 100015 Jiuxianqiao Road, Beijing, No. 10, No. Patentee after: BOE TECHNOLOGY GROUP Co.,Ltd. Patentee after: BEIJING BOE OPTOELECTRONICS TECHNOLOGY Co.,Ltd. Address before: 100176 Beijing economic and Technological Development Zone, West Central Road, No. 8 Patentee before: BEIJING BOE OPTOELECTRONICS TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20201201 Address after: 215200 No. 1700, Wujiang economic and Technological Development Zone, Suzhou, Jiangsu, Zhongshan North Road Patentee after: K-TRONICS (SUZHOU) TECHNOLOGY Co.,Ltd. Patentee after: BOE TECHNOLOGY GROUP Co.,Ltd. Address before: 100015 Jiuxianqiao Road, Beijing, No. 10, No. Patentee before: BOE TECHNOLOGY GROUP Co.,Ltd. Patentee before: BEIJING BOE OPTOELECTRONICS TECHNOLOGY Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101006 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |