Patents Assigned to BOE TECHNOLOGIES GROUP CO., LTD.
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Patent number: 9224760Abstract: Embodiments of the invention provide an array substrate, a fabrication method thereof, and a display device. The array substrate includes a first conductive pattern connecting with a low level potential, a second conductive pattern provided in a same layer as a STV signal line, and an insulating layer provided between the first conductive pattern and the second conductive pattern. The first conductive pattern, the insulating layer and the second conductive pattern have an overlapping region so as to form a storage capacitor. A conductive tip toward the second conductive pattern is formed at a position of the STV signal line that corresponds to the second conductive pattern.Type: GrantFiled: June 13, 2013Date of Patent: December 29, 2015Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Haifeng Yu, Bin Feng, Xiaopeng Cui, Hongtao Lin
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Electro-static discharge protective circuit and display substrate and display device having the same
Patent number: 9225166Abstract: The present invention relates to display technology. It discloses an electro-static discharge protective circuit comprising: a first thin film transistor having a first source electrode connected to a first reference level end, and a first gate electrode and a first drain electrode connected with each other at a first node; a second thin film transistor having a second source electrode connected to said first node, and a second gate electrode and a second drain electrode connected with each other at a discharge end; a third thin film transistor having a third source electrode connected to said discharge end, and a third gate electrode and a third drain electrode connected with each other at a second node, wherein said second node is connected with said first node; and a fourth thin film transistor having a fourth source electrode connected at said second node, and a fourth gate electrode and a fourth drain electrode connected to a second reference level end.Type: GrantFiled: June 20, 2014Date of Patent: December 29, 2015Assignee: BOE Technology Group Co., Ltd.Inventor: Yongqian Li -
Publication number: 20150370521Abstract: The present disclosure discloses a secondary screen structure of a display device, a double-sided display device and a method for manufacturing an e-paper screen. The secondary screen structure of the display device includes an e-paper screen and a secondary screen driving unit connected with each other. The e-paper screen includes an e-paper layer, a touch control unit layer and a solar energy unit layer. The e-paper layer is controlled by the secondary screen driving unit to display. The touch control unit layer may input instructions to the secondary screen driving unit. The solar energy unit layer may supply power for the e-paper layer.Type: ApplicationFiled: November 4, 2014Publication date: December 24, 2015Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jiuxia YANG, Jiantao LIU
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Publication number: 20150370123Abstract: The present invention provides a display substrate, a method of manufacturing the same and a display device, and relates to a field of display technology. The present invention solves a problem that an existing color film layer has a poor heat resistance and a low color saturation. The display substrate of the present invention includes: a base substrate, a color film layer provided on the base substrate, and a first barrier layer provided above the color film layer, wherein a material for forming the color film layer includes a quantum dot, and the first barrier layer is used to isolate the color film layer from air.Type: ApplicationFiled: October 21, 2014Publication date: December 24, 2015Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jiuxia YANG, Feng BAI
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Publication number: 20150370136Abstract: The present disclosure provides an array substrate including a substrate, a plurality of pixel units arranged on the substrate. Each pixel unit includes a TFT, first transparent electrode and a second transparent electrode which are insulated from each other, the first transparent electrode includes a plurality of strip electrodes, the second transparent electrode includes a first electrode portion and a second electrode portion, the second electrode portion electrically connects to the first electrode portion, the first electrode portion includes a plurality of strip electrodes, the strip electrodes of the first electrode portion and the strip electrodes of the first transparent electrode are arranged in a staggered manner, the second electrode portion is arranged on a layer different from that of the first transparent electrode and the first electrode portion.Type: ApplicationFiled: May 30, 2014Publication date: December 24, 2015Applicants: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: CHUANBAO CHEN, XIAOBIN YIN, JI LI, HAITING ZHAO
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Publication number: 20150369968Abstract: The invention discloses a protective film material, a display substrate and a method for preparing the same, and a display panel. The protective film material comprises: a protective film base, an ultraviolet absorbing pigment with a mass percent of 0.05-30% that is added to the protective film base, and an ultraviolet initiator with a mass percent of 0.05-10%, wherein the protective film base comprises a polymerizable monomer and a crosslinking agent. Because the molecules of the ultraviolet absorbing pigment and the ultraviolet initiator are small, they have a small influence on the flowability of a solution of the protective film base, so that the surface flatness of the protective film finally formed may be guaranteed. Moreover, adding the ultraviolet absorbing pigment causes a gradient change of the intensity of ultraviolet irradiation in the protective film, so that the surface of the protective film finally formed has a high tolerance.Type: ApplicationFiled: September 26, 2014Publication date: December 24, 2015Applicants: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.Inventor: XIAOPENG CUI
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Publication number: 20150370168Abstract: Disclosed is a negative photoresist comprising 1 to 90 parts of hydroxyl-containing or carboxyl-containing film-forming resin, 1 to 99 parts of silicon-containing vinyl ether monomer, 0.1 to 15 parts by weigh of a crosslinking agent, and an organic solvent capable of dissolving the aforesaid substances. Disclosed is also methods of preparing and using the negative photoresist.Type: ApplicationFiled: August 15, 2014Publication date: December 24, 2015Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jianguo WANG, Hehe HU
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Publication number: 20150370128Abstract: An illumination device, dedicated glasses thereof, an analyzer thereof and an illumination system are provided. The illumination device includes a support member and a liquid crystal display panel mounted on the support member. The liquid crystal display panel includes a display area and a light emitting area, the liquid crystal display panel is provided with a first polarization sheet at its light incoming side in areas corresponding to the display area and the light emitting area, and is provided with a second polarization sheet at its light outgoing side only in area corresponding to the display area. The illumination device emits white light and can be used as an ordinary lamp because its light emitting area cannot be observed in the naked eye state, and when observed through the dedicated glasses or the analyzer, the content of the secret information displayed by the liquid crystal display panel can be seen.Type: ApplicationFiled: September 20, 2014Publication date: December 24, 2015Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Wenbo LI, Yanbing WU, Yefei DONG, Chunyan JI
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Publication number: 20150372014Abstract: The present invention relates to an array substrate, a method for manufacturing the same and a display device. The array substrate comprises a substrate, and a first region and a second region that are provided on the substrate and adjacent to each other and a difference in level between the two exceeds a threshold, a difference-in-level compensation pattern is provided on the substrate, which overlaps with both the first region and the second region in a direction perpendicular to the substrate and does not exceed the first region and the second region. By the technical solution of the present invention, the difference in level between the data line and an adjacent region on the array substrate is reduced, so that during a rubbing process, the rubbing area of a polyimide solution is increased, and the risk of light leakage is reduced without a decrease of the pixel aperture ratio.Type: ApplicationFiled: October 28, 2014Publication date: December 24, 2015Applicants: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOLECTRONICS TECHNOLOGY CO., LTD.Inventor: SHAN GAO
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Publication number: 20150370134Abstract: The present disclosure provides a method for rubbing an alignment layer and a liquid crystal display panel. The method includes: performing a first rubbing on the alignment layer of a liquid crystal display panel in a first rubbing direction; and performing a second rubbing on the alignment layer of the liquid crystal display panel in a second rubbing direction. The second rubbing direction is an arrangement direction of liquid crystal molecules when the liquid crystal molecules are arranged correctly on the alignment layer. The second rubbing direction is different from the first rubbing direction.Type: ApplicationFiled: October 30, 2014Publication date: December 24, 2015Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Hongpeng LI, Sunghun SONG, Jingpeng LI
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Publication number: 20150370137Abstract: The embodiment of the present invention discloses a display device, which relates to the field of display, may realize low-frequency (low-standing-wave) driving and may prevent the aperture ratio from being reduced as a result of ensuring the charge rate during high-frequency driving. The display device provided by the present invention comprises a first substrate and a second substrate which are assembled with each other to form a cell, wherein the first substrate comprises a first electrode layer, the second substrate comprises a second electrode layer, the first substrate further comprises a third electrode layer arranged on one side, far from the second substrate, of the first electrode layer, and an insulation layer is arranged between the third electrode layer; and the first electrode layer, and the third electrode layer is electrically connected with the second electrode layer. The display device is suitable for being driven at low frequency.Type: ApplicationFiled: April 25, 2014Publication date: December 24, 2015Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Hyunsic CHOI, Heecheol KIM
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Publication number: 20150370003Abstract: The present disclosure relates to a light strip, comprising a substrate and a plurality of LED lights provided on the substrate, wherein, at least two rows of LED lights are provided on the substrate, two adjacent rows of LED lights are staggered arranged. The present disclosure further relates to a backlight and a display device.Type: ApplicationFiled: September 24, 2014Publication date: December 24, 2015Applicants: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE DISPLAY TECHNOLOGY CO., LTD.Inventors: HONGLI ZHU, LILI JIA, ZHIDAN ZHANG, DAEKEUN YOON
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Publication number: 20150370103Abstract: The invention provides an array substrate and a display device, wherein the array substrate comprises a peripheral line in a frame region of the array substrate through which ultraviolet light is capable to pass.Type: ApplicationFiled: September 25, 2014Publication date: December 24, 2015Applicants: Boe Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., LtdInventors: KUI LV, WENJIN FAN, KANG XIANG, XINXIA ZHANG, XIAO GUO, FENGZHEN LV, CHEN WANG
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Publication number: 20150372589Abstract: Provided are a driving circuit and its operation method and a display apparatus. The driving circuit comprises a boost circuit unit, a load unit and a voltage monitoring unit, the load unit is connected to a power source providing an initial input voltage, the boost circuit unit is connected to both the load unit and the voltage monitoring unit, the load unit is connected to the voltage monitoring unit; the load unit provides a resistor of fixed resistance value; and the voltage monitoring unit determines whether an actual voltage input into the boost circuit unit is smaller than a predetermined voltage, and generates a reset signal which is used to control the driving circuit to restart if it is determined that the actual voltage is smaller than the predetermined voltage.Type: ApplicationFiled: July 22, 2014Publication date: December 24, 2015Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhengxin ZHANG, Shuai XU, Jie CAO, Zhiyong WANG
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Publication number: 20150372021Abstract: A manufacturing method of an array substrate, an array substrate and a display device are provided. The array substrate includes a first thin film transistor and a pixel electrode (327), wherein, an active layer (324) and source and drain electrodes in the first thin film transistor as well as the pixel electrode (327) are formed by one patterning process. According to the invention, an array substrate with good performance can be manufactured only by three photolithography processes. Thus, the production cycle of a thin film transistor is shorted greatly, characteristics of the thin film transistor is improved, and meanwhile, yield of products is enhanced greatly.Type: ApplicationFiled: April 29, 2014Publication date: December 24, 2015Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Guangcai YUAN
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Publication number: 20150370165Abstract: A photoresist composition, comprising: from 0.1 to 1.0 parts of a polyether-modified organosilicon levelling agent 58; from 7 to 23 parts of a polyfunctional monomer; from 13 to 29 parts of a alkaline soluble resin; from 23 to 62.8 parts of a pigment dispersion; from 1.5 to 11.9 parts of a photo-initiator; and from 10 to 45 parts of a solvent, on the basis of parts by weight. The photoresist composition can solve the problem of poor levelling property of the coating film and shrinkage of the film surface after high temperature baking occurring in the existing photoresist composition.Type: ApplicationFiled: October 24, 2014Publication date: December 24, 2015Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Xuelan Wang
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Publication number: 20150372257Abstract: An organic light-emitting diode (OLED) display panel and manufacturing method thereof. The method of manufacturing the OLED display panel comprises forming an anode (2), an organic light-emitting layer (3), a cathode (4) and a first optical coupling layer (5) sequentially on a substrate (1), and forming a second optical coupling layer (6) on a side, away from the cathode (4), of the first optical coupling layer (5) by arranging a plurality of protrusion structures with arc-shaped surfaces. Light that would be totally reflected from a surface of the first optical coupling layer are transmitted out through the protrusion structures with the arc-shaped surfaces of the second optical coupling layer, therefore the total reflection of the light is reduced, the light extraction efficiency is increased, and the external quantum efficiency of the device is improved.Type: ApplicationFiled: May 12, 2014Publication date: December 24, 2015Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Can ZHANG
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Publication number: 20150373294Abstract: There is provided a method for detecting a rotation angle of a remote controller(21) in a television system(30,40) in order to realize a detection for the rotation angle of the remote controller(21) with respect to the television(20), which extends an application prospect of the television system.Type: ApplicationFiled: November 10, 2014Publication date: December 24, 2015Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xingxing ZHAO, Xinxin MU, Hong WANG
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Patent number: 9218766Abstract: A pixel circuit array is disclosed and includes pixel unit circuits, and each of the pixel unit circuit includes a precharge circuit, a compensation circuit, a holding circuit, a driving circuit, a light emitting circuit, a first power supply terminal, a second power supply terminal, a third power supply terminal, a scanning control terminal, a first control terminal and a second control terminal. With the pixel unit circuit, as long as the inputted direct-current reference voltage and the data voltage signal are not varied, the current delivered to the OLED remains constant, thus the uniformity of the OLED can be compensated for.Type: GrantFiled: May 11, 2012Date of Patent: December 22, 2015Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhongyuan Wu, Liye Duan, Guangcai Yuan
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Patent number: 9219082Abstract: The invention relates to an array substrate for a display device and to a method for manufacturing an array substrate comprising a thin-film transistor (“TFT”). An array substrate according to an embodiment of the invention comprises a source electrode, a gate electrode and a drain electrode, wherein the gate electrode is located on a first metal layer, the source electrode and the drain electrode are located on a second metal layer, and in the case that dislocation occurs between the first metal layer and the second metal layer, the area of the overlapping region between the source electrode and the gate electrode keeps constant.Type: GrantFiled: December 19, 2013Date of Patent: December 22, 2015Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Qinghua Jiang, Xiaohe Li, Yong Liu, Xianjie Shao, Hongmin Li