Patents Assigned to Beijing Boe Optoelectronics
-
Patent number: 9048161Abstract: A method for fabricating a sensor includes: forming, on a base substrate, a pattern of a source electrode and a drain electrode, a pattern of a data line, a pattern of a receiving electrode, a pattern of a photodiode, and a pattern of a transparent electrode disposed by using a first patterning process; forming a pattern of an ohmic layer by using a second patterning process; forming a pattern of an active layer by using a third patterning process; forming a pattern of a gate insulating layer by using a fourth patterning process, wherein the gate insulating layer has a via hole above the transparent electrode; and forming a pattern of a gate electrode, a pattern of a gate line, and a pattern of a bias line connected to the transparent electrode via the via hole above the transparent electrode by using a fifth patterning process.Type: GrantFiled: November 16, 2012Date of Patent: June 2, 2015Assignee: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Shaoying Xu, Zhenyu Xie, Xu Chen
-
Patent number: 9041111Abstract: A flat panel detector includes a photoelectric conversion layer and a pixel detecting element disposed under the photoelectric conversion layer. The pixel detecting element includes: a pixel electrode for receiving charges, a storage capacitor for storing the received charges, and a thin film transistor for controlling outputting of the stored charges. The storage capacitor includes a first electrode and a second electrode. The first electrode includes an upper electrode and a bottom electrode that are disposed opposite to each other and electrically connected. A second electrode is sandwiched between the upper electrode and the bottom electrode. It is insulated between the upper electrode and the second electrode and between the second electrode and the bottom electrode.Type: GrantFiled: December 16, 2013Date of Patent: May 26, 2015Assignee: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Zhenyu Xie
-
Patent number: 9033568Abstract: The present invention discloses a fluorescent lamp assembly for a liquid crystal display. The assembly comprises a bracket having a fluorescent lamp fixing channel and a wire fixing channel; a fluorescent lamp positioned inside the fluorescent lamp fixing channel; a conductive elastic member positioned inside the bracket with one end thereof connected to the fluorescent lamp through the fluorescent lamp fixing channel; and wire positioned in the wire fixing channel. One end of the wire is connected to the other end of the conductive elastic member.Type: GrantFiled: September 17, 2009Date of Patent: May 19, 2015Assignee: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Young Man Kwon
-
Publication number: 20150130852Abstract: The present disclosure relates to a gamma voltage generating circuit, a controlling method thereof and a liquid crystal display. The gamma voltage generating circuit comprises an output end, a first reference voltage input end, a second reference voltage input end, a pre-stage voltage-dividing circuit, and a post-stage voltage-dividing circuit. A first pre-stage output end of the pre-stage voltage-dividing circuit is coupled to a first post-stage input end, and a second pre-stage output end is coupled to a second post-stage input end, so as to divide reference voltages input from the first and second reference voltage input ends, thereby to generate a primary gamma voltage. A post-stage output end of the post-stage voltage-dividing circuit is coupled to the output end of the gamma voltage generating circuit, so as to divide the primary gamma voltage, thereby to generate a secondary gamma voltage.Type: ApplicationFiled: October 10, 2013Publication date: May 14, 2015Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Qian Wang, Hyungkyu Kim
-
Patent number: 9030456Abstract: A liquid crystal display of a charge sharing mode comprises a control device for turning on the gates on the gate line in the black frame insertion timing. Each gate line of the liquid crystal display panel is connected with the control device. In the black insertion timing, the control device outputs to the gate line connected thereto a first control signal for controlling the gates on the gate line to be turned on, and the black frame insertion timing is a time when charge sharing is conducted among data lines from the gates on the gate line are turned off in the current frame until they are turned on in the next frame.Type: GrantFiled: January 9, 2012Date of Patent: May 12, 2015Assignee: Beijing Boe Optoelectronics Technology Co., Ltd.Inventors: Lu Xiao, Zhe Shi
-
Patent number: 9030397Abstract: There is disclosed a gate driver, a driving circuit, and a liquid crystal display (LCD), wherein the gate driver comprises input terminals for inputting a CPV signal, an OE signal, and an STV signal, and output terminals for outputting a CKV signal and a CKVB signal, and a processing circuit is connected between the input terminals and the output terminals for processing the CPV signal, the OE signal, and the STV signal such that a preset time interval is present between the falling edge of the CKV signal and the rising edge of the CKVB signal during one period of the CKV signal, or a preset time interval is present between the rising edge of the CKV signal and the falling edge of the CKVB signal during one period of the CKVB signal.Type: GrantFiled: December 19, 2011Date of Patent: May 12, 2015Assignee: Beijing BOE Optoelectronics Technology Co., Ltd.Inventor: Jieqiong Wang
-
Patent number: 9023440Abstract: The invention provides a liquid crystal alignment film, a method for preparing the same and a liquid crystal display device comprising the same. The alignment film comprises a polyimide obtained by reacting a compound as shown in Formula 2 or Formula 3 with an aromatic diamine as shown in Formula 1, wherein the R1, R2, R3, R4, R5, R6, R7, R1?, R2?, R3?, R4?, R5?, R6?, R7?, or R8? is H, an alkyl, an aralkyl or a haloalkyl, and the Ar is an aryl. The liquid crystal alignment film has a tactic spatial configuration, decreases the ?-? attractive interaction between the polyimide backbones, allows the directional and homogenous alignment of the liquid crystal molecules on the surface of the polyimide, and thereby increases the contrast of the liquid crystal display.Type: GrantFiled: September 7, 2012Date of Patent: May 5, 2015Assignee: Beijing Boe Optoelectronics Technology Co., Ltd.Inventors: Ang Xiao, Haibo Zhu, Sunghun Song, Wei Li, Zhiyong Liu
-
Patent number: 9022634Abstract: Embodiments of the present invention disclose a backlight and a display device, to reduce the number of LEDs in a backlight, save costs, while avoiding dark areas appearing on the screen, so as to ensure display effect. The backlight comprises a first light guide plate and at least one light-emitting diode assembly, and the light-emitting diode assembly is located on one side of the first light guide plate. The light-emitting diode assembly comprises a second light guide plate, at least one light-emitting diode and a reflective film, wherein the at least one light-emitting diode is located on at least one side of the second light guide plate, and the reflective film is located on at least one side of the second light guide plate.Type: GrantFiled: July 20, 2012Date of Patent: May 5, 2015Assignee: Beijing Boe Optoelectronics Technology Co., Ltd.Inventors: Zhanchang Bu, Bochang Wang, Fei Wang, Yanjun Sun, Yi Deng, Guangsheng Hua
-
Patent number: 9022717Abstract: A panel-storing shelf comprises at least two support members, at least two tracks disposed around a surface of each of the at least two support members, respectively, to rotate about respective support member, and at least two brackets disposed on each of the at least two tracks, respectively, and at the same level, to hold the panel and rotate along with the track.Type: GrantFiled: June 6, 2011Date of Patent: May 5, 2015Assignee: Beijing BOE Optoelectronics Technology Co., Ltd.Inventor: Peng Liu
-
Patent number: 9023911Abstract: Embodiments of the invention provide a frame sealant and a process for preparing the same, as well as use thereof. The frame sealant comprises, by weight, 25%-30% acrylic resins, 25%-30% oligomers as shown in Structure Formula I, 10%-15% organic powders, 10%-15% inorganic powders, 0%-10% epoxy resins, 10%-15% heat curing agents, 0.1%-1% photoinitiators, and 0.1%-1% coupling agents, wherein, in Structure Formula I, n indicates an integer of 10-20.Type: GrantFiled: September 16, 2013Date of Patent: May 5, 2015Assignee: Beijing BOE Optoelectronics Technology Co., Ltd.Inventors: Ang Xiao, Haibo Zhu, Sung Hun Song
-
Patent number: 9024320Abstract: Embodiments of the present invention disclose a sensor and a method for manufacturing the same, the sensor comprising a plurality of sensing units arranged in array, each of which comprises a thin film transistor device and a photodiode sensor device and the photodiode sensor device comprising: a receiving electrode connected with a drain of the thin film transistor device, a photodiode located on the receiving electrode and covering the thin film transistor device, a transparent electrode on the photodiode and a biasing line connected with the transparent electrode.Type: GrantFiled: November 15, 2012Date of Patent: May 5, 2015Assignee: Beijing BOE Optoelectronics Technology Co., Ltd.Inventors: Tiansheng Li, Changjiang Yan, Shaoying Xu, Zhenyu Xie
-
Patent number: 9019462Abstract: Embodiments of the present invention provide an array substrate and a method for manufacturing the same, and a display device. The method comprises: depositing a first transparent electrode layer on a base substrate, coating first photoresist on the transparent electrode layer, and performing exposure and development on the first photoresist to retain the first photoresist at a location where a first transparent electrode is to be formed, so that a first photoresist pattern is formed; etching the first transparent electrode layer with the first photoresist pattern, so as to form the first transparent electrode; and depositing a second transparent electrode layer on the base substrate after the etching, and then performing a photoresist lifting-off process on the first photoresist pattern to remove a part of the second transparent electrode layer on the first photoresist pattern so that a second transparent electrode is formed.Type: GrantFiled: August 13, 2012Date of Patent: April 28, 2015Assignee: Beijing BOE Optoelectronics Technology Co., Ltd.Inventors: Wei Qin, Yun Dong
-
Patent number: 9007295Abstract: The present invention relates to a dynamic contrast ratio processing method and apparatus of a liquid crystal displaying apparatus.Type: GrantFiled: April 1, 2009Date of Patent: April 14, 2015Assignee: Beijing Boe Optoelectronics Technology Co., Ltd.Inventor: Hyungdae Kim
-
Patent number: 9007557Abstract: Embodiments of the present invention relate to a liquid crystal panel and a fabricating method thereof and a display. The liquid crystal panel comprises: an array substrate and a color filter substrate bonded by a first sealant, with a region surrounded by the first sealant between the array substrate and the color filter substrate forming a liquid crystal panel display region filled with liquid crystal. In addition, the liquid crystal panel further comprises: a liquid crystal buffer region, located at the outer side of the first sealant; a liquid crystal channel, through which the liquid crystal buffer region and the liquid crystal panel display region are connected; and a covering layer, covering at least a position where the liquid crystal channel connects with the liquid crystal panel display region.Type: GrantFiled: October 23, 2012Date of Patent: April 14, 2015Assignee: Beijing Boe Optoelectronics Technology Co., Ltd.Inventors: Chengtan Zhao, Tae Yup Min, Xu Chen, Haiyun Lin, Jingpeng Li
-
Patent number: 8992063Abstract: A light emitting diode package unit, a method for manufacturing the same and a backlight are disclosed. The light emitting diode package unit comprising a LED chip and a light uniformization structure formed above the LED chip in the direction of exiting light.Type: GrantFiled: September 23, 2011Date of Patent: March 31, 2015Assignee: Beijing Boe Optoelectronics Technology Co., Ltd.Inventors: Haiwei Sun, Jia Liu, Site Cai
-
Patent number: 8994691Abstract: According to embodiments of the invention, an in-cell capacitive contact panel and a manufacturing method thereof are provided. The in-cell capacitive touch panel comprises an array substrate. The array substrate comprises a display pixel structure and a touch circuit, and the touch circuit comprises a sensing unit and an amplifying unit connected with each other. The sensing unit is connected to a gate line in the display pixel structure. A switch-on voltage is provided by the gate line in the display pixel structure to the sensing unit, a voltage is generated in the sensing unit after the sensing unit is switched on, the voltage generated in the sensing unit is changed by a touch operation, the amplifying unit amplifies the voltage change in the sensing unit and outputs the amplified voltage change.Type: GrantFiled: September 12, 2012Date of Patent: March 31, 2015Assignee: Beijing Boe Optoelectronics Technology Co., Ltd.Inventors: Wei Li, Dong Chen
-
Publication number: 20150085230Abstract: Embodiments of the invention provide a liquid crystal panel, a display device, and a process for manufacturing the liquid crystal panel. The liquid crystal panel includes cell-assembled array substrate and colored substrate, and a liquid crystal layer between the array substrate and the colored substrate, wherein the liquid crystal layer includes a dual frequency liquid crystal and a polymer network anchoring the dual frequency liquid crystal, wherein the polymer network is formed by polymerization of liquid crystalline ultraviolet polymerizable monomers.Type: ApplicationFiled: April 28, 2013Publication date: March 26, 2015Applicants: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Renwei Guo
-
Patent number: 8987074Abstract: An oxide semiconductor thin film transistor, a manufacturing method and a display device thereof are disclosed. An oxide semiconductor thin film transistor comprises a gate insulating layer (22), an oxide semiconductor layer (24) and a blocking layer (25), wherein a first transition layer (23) is formed between the gate insulating layer (22) and the oxide semiconductor layer (24), the oxygen content of the first transition layer (23) is higher than the oxygen content of the oxide semiconductor layer (24). The oxide semiconductor thin film transistor enhances the interface characteristic and the lattice matching between the oxide semiconductor layer (24) and the blocking layer (25) to improve the stability of the thin film transistor better.Type: GrantFiled: February 27, 2013Date of Patent: March 24, 2015Assignee: Beijing BOE Optoelectronics Technology Co., Ltd.Inventors: Zhenyu Xie, Shaoying Xu, Changjiang Yan, Tiansheng Li
-
Patent number: 8982025Abstract: The present invention relates to device for driving liquid crystal display (LCD) and method for driving the same. The device for driving LCD comprises a voltage input module for receiving Gamma reference voltage; a voltage generation module connected to said voltage input module, for generating pixel driving voltage of a corresponding color with one resistor-chain, according to the Gamma reference voltage and the color of pixel being driven; and a voltage output module connected to said voltage generation module, for transmitting the pixel driving voltage of said corresponding color to a liquid crystal panel.Type: GrantFiled: April 10, 2009Date of Patent: March 17, 2015Assignee: Beijing Boe Optoelectronics Technology Co., Ltd.Inventor: Ming Chen
-
Patent number: 8983021Abstract: A reset circuit for Gate Driver on Array, an array substrate and a display is used for increasing reliability and long-term stability of a GOA circuit and thus improving performance of the GOA circuit. The GOA reset circuit includes a first electronic switch circuit (301) connected to an input terminal of a GOA unit of the Gate Driver on Array (INPUT); and a second electronic switch circuit connected to an output terminal of the GOA unit (OUTPUT), wherein the first electronic switch circuit (301) is connected to a low level signal terminal and is switched on to connect the low level signal terminal to a reset terminal of the GOA unit (RESET) when the input terminal of the GOA unit (INPUT) is at a high level; and the second electronic switch circuit (302) is connected to a high level signal terminal and is switched on to connect the high level signal terminal to the reset terminal of the GOA unit (RESET) when the output terminal of the GOA unit (OUTPUT) is at a high level.Type: GrantFiled: November 14, 2012Date of Patent: March 17, 2015Assignee: Beijing BOE Optoelectronics Technology Co., Ltd.Inventor: Xi Chen