Liquid Crystal Patents (Class 348/790)
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Patent number: 12234941Abstract: A display device according to an embodiment of the present disclosure may include a base, a stand bar extending upward from the base in a vertical direction, and a head having a display on a front side and having a pair of long sides and a pair of short sides on a peripheral portion, the head being pivotable between a landscape mode in which the long side is in a horizontal state and a portrait mode in which the long side is in a vertical state, wherein the head may include a processor configured to determine whether a rotation unlock condition of the head is satisfied, and when the rotation unlock condition of the head is satisfied, rotate the head about a rotation axis as external force is applied to the head.Type: GrantFiled: June 10, 2020Date of Patent: February 25, 2025Assignee: LG ELECTRONICS INC.Inventors: Daegun Park, Donghee Lee
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Patent number: 12212880Abstract: An image processing apparatus includes a processor including hardware, the processor being configured to: determine whether or not an overlapping portion is present in imaging areas included in a plurality of images captured by a plurality of imagers, respectively, the plurality of imagers being are inserted into a subject to capture images of an observation target at different positions from each other; determine whether or not each of the plurality of imagers is inserted to a focal point position at which the observation target is in focus; and generate a composite image that is composed of the plurality of images when it is determined that each of the plurality of imagers is inserted to the focal point position and that the overlapping portion is present in the imaging areas.Type: GrantFiled: July 27, 2022Date of Patent: January 28, 2025Assignee: OLYMPUS CORPORATIONInventor: Toshiyuki Fujii
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Patent number: 12124071Abstract: A backlight unit includes: a light source; a light guide plate arranged to face the light source, having an end surface that light from the light source enters; and an emitting surface from which the entered light is emitted; a reflective plate bonded to a back surface side of the light guide plate via a double-sided pressure-sensitive adhesive film; and a casing having a front portion and a back portion, the casing configured to store the light source, the light guide plate, and the reflective plate. The backlight unit is configured so that light from the light source is free from entering a space between the low-refractive index layer and the reflective plate, or so that light that has entered the space between the low-refractive index layer and the reflective plate from a light source is free from being emitted from the emitting surface of the light guide plate.Type: GrantFiled: March 29, 2021Date of Patent: October 22, 2024Assignee: NITTO DENKO CORPORATIONInventors: Takahiro Yoshikawa, Daisuke Hattori, Ryota Morishima, Atsushi Kishi
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Patent number: 12111539Abstract: A backlight module and a display panel are provided. The backlight module includes a backplate, multiple light-emitting sets, a diffuser plate, and an optical film. The diffuser plate and the optical film are stacked. The multiple light-emitting sets are fixedly coupled to the backplate and arranged in array on the backplate. The multiple light-emitting sets are disposed in a gap between the diffuser plate and the backplate. The multiple light-emitting sets each include at least two lamp sources, and the at least two lamp sources are configured to emit different colors to cooperate to emit a white light.Type: GrantFiled: December 21, 2022Date of Patent: October 8, 2024Assignee: HKC CORPORATION LIMITEDInventors: Hao Huang, Haijiang Yuan
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Patent number: 12105311Abstract: Provided are a backlight module, a display panel and a display apparatus. The backlight module includes a back plate, including a bottom plate and a frame surrounding the bottom plate; at least one light bar, fixed on an inner sidewall of the frame, wherein a gap is formed between an end portion of the light bar and the inner sidewall of the frame in an extension direction of the light bar; and a reflector sheet, disposed in the frame and on the bottom plate, wherein at least one first sidewall of the reflector sheet is provided with at least one first protrusion, the first protrusion being extended from the first sidewall on which the first protrusion is disposed towards an inner sidewall of the frame opposite to the first sidewall on which the first protrusion is disposed, and the first protrusion being disposed in the gap.Type: GrantFiled: June 4, 2021Date of Patent: October 1, 2024Assignees: K-TRONICS (SUZHOU) TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Lugui Cui, Chuanwei Zhang, Xianrong Cheng
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Patent number: 12062314Abstract: Provided are a compensation method for a display panel and a display device. The compensation method for a display panel includes: obtaining a first display grayscale obtained to be displayed in a to-be-displayed image by a first sub-pixel, and obtaining a first display data voltage corresponding to the first display grayscale; determining whether the first display data voltage is greater than a low brightness demarcation voltage; and if yes, obtaining a first compensation data voltage corresponding to the first sub-pixel according to the first display grayscale; and determining, according to a lighting voltage corresponding to the first sub-pixel, whether the first compensation data voltage is in a dark-state voltage range; and if yes, compensating the first sub-pixel by using the lighting voltage corresponding to the first sub-pixel, and if not, compensating the first sub-pixel by using the first compensation data voltage.Type: GrantFiled: February 3, 2023Date of Patent: August 13, 2024Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.Inventor: Xiangyu Gao
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Patent number: 12044925Abstract: The present application discloses a display backplane and a display device. The display backplane includes a plurality of light-emitting sub-areas; each of the light-emitting sub-areas is provided with at least two light-emitting portions; a first light-guiding portion is arranged in each of the light-emitting sub-areas and is located between the at least two light-emitting portions, and a side of the first light-guiding portion close to the light-emitting elements has a second light-reflecting surface, and an orthographic projection of a portion of a side of the first light-guiding portion away from the substrate on the substrate falls within an orthographic projection of a portion of a side of the first light-guiding portion close to the substrate on the substrate.Type: GrantFiled: January 26, 2022Date of Patent: July 23, 2024Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Yong Yang, Fancheng Liu, Guowei Zha
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Patent number: 12002394Abstract: A display system includes a measurer, a measured data filter and a compensation data generator. The measurer measures an image at a measuring point of a display panel to generate measured data. The measured data filter removes a false measured data outside an allowable range among the measured data. The compensation data generator generates representative compensation data compensating the image based on the measured data in which the false measured data is removed.Type: GrantFiled: August 11, 2021Date of Patent: June 4, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Yong-Jin Shin, Kyunho Kim, Dongin Kim, Hyoung-Wook Kim, Bongim Park, Soohoon Lee
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Patent number: 12001098Abstract: The present invention relates to an LED backlighting system comprising a substrate, an optoelectronic semiconductor chip assembly, a reflector and a diffuser element. The optoelectronic semiconductor chip assembly is disposed on an upper side of the substrate. The reflector has a through-hole that extends between a lower opening on an underside of the reflector and an upper opening on an upper side of the reflector. The reflector is disposed on the upper side of the substrate so that the underside of the reflector is facing the upper side of the substrate. The optoelectronic semiconductor chip assembly is disposed in the through-hole of the reflector. The diffuser element has an upper side and an underside. The diffuser element is disposed above the upper side of the reflector so that the underside of the diffuser element is facing the upper side of the reflector.Type: GrantFiled: November 3, 2020Date of Patent: June 4, 2024Assignee: OSRAM Opto Semiconductors GmbHInventor: Ulrich Streppel
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Patent number: 11988919Abstract: A backlight includes a substrate, a plurality of light sources, a reflective layer, a first diffuser plate, a second diffuser plate, and a color conversion layer. The plurality of light sources are proximate the substrate. The reflective layer is proximate the substrate. The first diffuser plate is over the plurality of light sources. The color conversion layer is between the first diffuser plate and the second diffuser plate.Type: GrantFiled: April 14, 2021Date of Patent: May 21, 2024Assignee: CORNING INCORPORATEDInventors: Kirk Richard Allen, Songfeng Han, Pamela Arlene Maurey, Xiang-Dong Mi, Andrii Varanytsia
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Patent number: 11960786Abstract: A display device includes a head including a display formed on a front surface thereof, a circumference having a pair of long sides and a pair of short sides, and one or more first speakers provided on a left short side and one or more second speakers provided on a right short side of the display and configured to be pivotable between a landscape mode in which the long sides are in a horizontal state and a portrait mode in which the long sides are in a vertical state, a sensor configured to detect pivot of the head, and a processor configured to determine a pivot state indicating whether the head is in the landscape mode or the portrait mode based on a result of detection and switch sound signals output by the first speakers and the second speakers when the pivot state of the head is switched.Type: GrantFiled: September 9, 2020Date of Patent: April 16, 2024Assignee: LG ELECTRONICS INCInventor: Sungphil Hwang
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Patent number: 11703624Abstract: A control device, such as a gateway device for a wireless load control system, has a light bar extending around a periphery of an enclosure to provide feedback to a user of the load control system, as well as to provide a pleasing aesthetic effect on the gateway device. The control device may include at least one light-emitting diode mounted to a printed circuit board inside the enclosure, a control circuit mounted to the printed circuit board and operatively coupled to the light-emitting diode for controllably illuminating the light-emitting diode, and a multi-functional mounting structure for mounting the printed circuit board inside the enclosure. The mounting structure may have at least one light-pipe structure for conducting light from the at least one light-emitting diode to the light bar. The mounting structure may have an antenna-mounting structure to which an antenna of the control device may be mounted.Type: GrantFiled: September 21, 2020Date of Patent: July 18, 2023Assignee: Lutron Technology Company LLCInventors: Matthew P. McDonald, Joseph M. Nichols, Andrew P. Schmalz
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Patent number: 11686963Abstract: Provided is a display module. The display module includes a first display panel including a first edge sealing region; a second display panel including a second edge sealing region, wherein the second display panel and the first display panel are disposed in a same layer and spliced with each other, and the second edge sealing region is abutted against the first edge sealing region; and a third display panel disposed on backlight sides of the first display panel and the second display panel, wherein both an orthographic projection of the first edge sealing region onto the third display panel and an orthographic projection of the second edge sealing region onto the third display panel fall within a display region of the third display panel; wherein the first display panel, the second display panel and the third display panel are all liquid-crystal display panels.Type: GrantFiled: January 24, 2022Date of Patent: June 27, 2023Assignees: Beijing BOE Display Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Bin Wu, Zhaoshou Tian, Enliang Zhang, Haijun Shi, Bochang Wang, Dan Li
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Patent number: 11592718Abstract: The present disclosure provides a display substrate and a display device, belonging to the field of display technology, which can solve the problem that a splicing gap between existing adjacent display substrates of a spliced screen is relatively wide, and a narrow-bezel display cannot be realized. The display substrate of the present disclosure has a display area and a non-display area surrounding the display area; the display substrate includes a base and a plurality of pixel units located on the base and arranged in the display area; each of the pixel units includes a pixel circuit. The display substrate further includes: a light detection circuit located on the base and arranged in the non-display area; where the light detection circuit is configured to detect brightness of ambient light.Type: GrantFiled: June 18, 2021Date of Patent: February 28, 2023Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Chunhua Wang, Rui Han, Jie Yu, Pengtao Li, Tielei Zhao, Tingfeng Huang, Meng Li, Shulin Qin, Yaoyao Wang, Xiaoxia Wang, Xiaoqiao Dong
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Patent number: 11410631Abstract: A method of operating an optical proximity sensor of a computer device having a display, where the optical proximity sensor is located beneath or otherwise adjacent to the display. The method comprises obtaining a vertical synchronization signal from a display driver, and synchronizing periodic illumination of a light emitter of the optical proximity sensor with the vertical synchronization signal.Type: GrantFiled: May 5, 2021Date of Patent: August 9, 2022Assignee: ams International AGInventors: Bernhard Greimel-LÃ ngover, Christian Halper, Helmut Theiler, Herbert Lenhard, Josef Kriebernegg, Manuel Hoerbinger, Peter Bliem, Whitney Hernandez
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Patent number: 11380735Abstract: The present disclosure relates to a display panel and a display device. The display panel comprises a substrate and pixel units arranged thereon. The substrate comprises a display area comprising a plane display area and a bending display area. The bending display area comprises first pixel areas arranged in an array, and the pixel units comprise first pixel units respectively positioned in the first pixel areas. The first pixel regions includes first pixel sub-regions including first display sub-pixels and at least one color difference adjusting sub-pixel for adjusting a color difference of the first pixel unit, and at least one second pixel sub-region. Each of the first pixel sub-regions is provided with the first display sub-pixels, each of the second pixel sub-regions is provided with the color difference adjusting sub-pixel, and the second pixel sub-region is disposed adjacent to the first pixel sub-regions.Type: GrantFiled: June 18, 2020Date of Patent: July 5, 2022Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Chao Kong, Long Chen
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Patent number: 11300819Abstract: A curved surface display device includes a display panel, a first middle frame located on a side of the display panel and configured to support the display panel, a backlight assembly located at a side of the first middle frame away from the display panel and having an optical film and a second middle frame, and a back plate located at a side of the backlight assembly away from the display panel. The back plate includes a bottom plate and a side plate disposed on an edge of the bottom plate; the second middle frame is located at a side of the optical film away from the display panel, and is connected to the bottom plate.Type: GrantFiled: September 29, 2020Date of Patent: April 12, 2022Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yu Zhang, Huiyan Li, Shixin Geng, Bochang Wang
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Patent number: 11262619Abstract: A light-emitting unit includes a plurality of lenses; and two or more light-emitting devices covered by each of the lenses, and the two or more light-emitting devices covered by one lens of the lenses are electrically separated from each other.Type: GrantFiled: May 11, 2018Date of Patent: March 1, 2022Assignee: Saturn Licensing LLCInventor: Takaharu Shimizu
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Patent number: 11217197Abstract: A data driving method and a data driving device are provided. The data driving method includes: transmitting a charge sharing signal for a current data line according to a pre-stored charge sharing timing table; transmitting a valid display data for the current data line; and executing the charge sharing signal to complete a charge sharing between signal channels. The data driving device includes a timing controller, a transmission interface, a source driver, a plurality of data lines, and a charge sharing switch. The data driving method and the data driving device of the disclosure can separately set the charge sharing signal for each row by setting the charge sharing signal on each row of the valid display data through the pre-stored charge sharing timing table. This achieves independent control of charge sharing per line during display.Type: GrantFiled: December 30, 2019Date of Patent: January 4, 2022Assignee: XIANYANG CAIHONG OPTOELECTRONICS TECHNOLOGY CO., LTDInventors: Zihan Liu, Youye Chen
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Patent number: 11212926Abstract: A display apparatus includes a PCB on which a plurality of LEDs emitting light in a first direction are mounted, a frame configured to support the PCB, and a chassis coupled to the frame. The frame has a length in a second direction perpendicular to the first direction that is longer than that of the PCB.Type: GrantFiled: July 12, 2019Date of Patent: December 28, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Dong Yeob Lee, Byung Chul Kim, Seung Ryong Han
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Patent number: 11194185Abstract: A display device includes a light source, an optical member, a display cell, and a guide member. The optical member is irradiated with light from the light source. The display cell is irradiated with the light passing through the optical member. The guide member has a first positioning section that positions the display cell and the optical member in a direction along a display surface of the display cell, and a second positioning section that is formed integrally with the first positioning section and positions the display cell and the optical member in a thickness direction of the display cell. The first positioning section has a first side surface that is opposite a side surface of the display cell and a second side surface that is opposite a side surface of the optical member and is provided outside of the first side surface in the direction along the display surface.Type: GrantFiled: November 30, 2020Date of Patent: December 7, 2021Assignee: FUNAI ELECTRIC CO., LTD.Inventor: Kazuya Tanaka
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Patent number: 11181773Abstract: A backlight module. The backlight module comprises: an LED chip (1), a transparent support (2), and a packaging adhesive (3); an accommodating groove (21) is provided on the transparent support (2), and the LED chip (1) is provided at the bottom of the accommodating groove (21); the packaging adhesive (3) is located in the accommodating groove (21) and covers a light-exiting surface of the LED chip (1). The LED chip (1) and the packaging adhesive (3) are provided in the accommodating groove (21), so that the transparent support (2) and the packaging adhesive (3) enlarge a light-exiting angle of the LED chip (1), thereby reducing the number of the LED chips (1) in the backlight module and reducing the production costs.Type: GrantFiled: December 17, 2019Date of Patent: November 23, 2021Inventors: Zelong Li, Daiqing Wang, Kewen Qiang, Honglei Ji
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Patent number: 11166008Abstract: Disclosed are methods and systems for displaying content. In an aspect, a plurality of content items can be displayed on one user device according to user preference. An example method can comprise positioning a first set of pixels associated with a user device so that first content displayed via the first set of pixels can be viewable in a first viewing location. A second set of pixels associated with the user device can be positioned so that second content displayed via the second set of pixels can be viewable in a second viewing location. The second content can be different from the first content.Type: GrantFiled: January 15, 2016Date of Patent: November 2, 2021Assignee: Comcast Cable Communications, LLCInventors: Edward David Monnerat, Jonathan Alan Leech, Nicholas Adam Pinckernell, Mehul Patel, Jasbir Rajpal, Garey Hoffman
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Patent number: 11126025Abstract: An in-cell touch panel includes: common electrodes arranged in a first direction and a second direction, respectively facing one or more of pixel electrodes and provided separately from each other; and touch lines that extend along the second direction and are each connected to a corresponding one of the common electrodes. Each common electrode has segment electrodes divided with an area on the gate line as a division area, and each segment electrode included in one of the common electrodes is connected by at least one of the touch lines.Type: GrantFiled: February 7, 2020Date of Patent: September 21, 2021Assignee: PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD.Inventor: Daisuke Kajita
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Patent number: 11061279Abstract: A switchable directional illumination apparatus comprises first and second arrays of LEDs, some of which are micro-LEDs; an aligned catadioptric micro-optic array and an aligned light guide array. In a first mode a narrow angular output is provided by a first micro-LED array and catadioptric micro-optics. In a second mode a wider angular output is provided by the second LED array and light guides. A thin and efficient illumination apparatus may be used for switching illumination in environmental lighting, display backlighting or direct display.Type: GrantFiled: March 29, 2018Date of Patent: July 13, 2021Assignee: Optovate LimitedInventors: Graham J. Woodgate, Jonathan Harrold
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Patent number: 11030941Abstract: A display driving device for driving a display panel includes a first driving circuit configured to output a first image signal, a second driving circuit configured to output a second image signal, a first switch circuit connected to the first driving circuit, and configured to transmit the first image signal to a part of a first set of sub-pixels arranged in the display panel based on a first switching signal during a first horizontal time interval, and a second switch circuit connected to the second driving circuit, and configured to transmit the second image signal to a part of a second set of sub-pixels arranged in the display panel adjacent to the first set of sub-pixels based on a second switching signal during the first horizontal time interval, wherein a width of the first switching signal and a width of the second switching signal in the first horizontal time differ from each other.Type: GrantFiled: August 1, 2019Date of Patent: June 8, 2021Assignee: MagnaChip Semiconductor, LtdInventors: Yeon Kyoung Park, Hyoung Kyu Kim, Dae Young Yoo
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Patent number: 11016338Abstract: A display device includes a liquid crystal display (LCD) panel, a rear frame, a light guide plate, and a light emitting diode (LED) substrate. The LED substrate includes a first substrate portion, a second substrate portion, a plurality of LEDs mounted to the first substrate portion, and a power connector mounted to the second substrate portion. The first substrate portion extends in a first direction along a first side of the light guide plate that faces the first sidewall of the rear frame. The second substrate portion extends in a second direction along a second side of the light guide plate that faces the second sidewall of the rear frame. A backlight unit for a display device includes a light guide plate and a LED substrate.Type: GrantFiled: November 26, 2019Date of Patent: May 25, 2021Assignee: PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD.Inventors: Ryosuke Yabuki, Tomoharu Notoshi, Naoki Sato
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Patent number: 10942394Abstract: A lighting device includes a light source, a light guide plate, a lower frame, an upper frame, and an elastic member. The light guide plate has a light emitting surface, and another plate surface as a back surface. The lower frame has a bottom surface portion and a side surface portion, and receives the light source and the light guide plate therein. The upper frame has a top surface portion facing the light emitting surface, a side surface portion, and a pressing portion extending toward the light guide plate from an end portion of the side surface portion of the upper frame. A clearance is formed between the top surface portion and the pressing portion. The elastic member is disposed between a side surface of the light guide plate and the side surface portion of the lower frame, and between the pressing portion and the bottom surface portion.Type: GrantFiled: November 4, 2019Date of Patent: March 9, 2021Assignee: SHARP KABUSHIKI KAISHAInventors: Hirofumi Asano, Yuusuke Yamamoto
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Patent number: 10854583Abstract: A display device includes a display panel having a first emission region and a second emission region that is distinct from and mutually exclusive to the first emission region. The first emission region is surrounded by, and is in contact with, the second emission region on all edges of the first emission region. The display panel includes a plurality of light emitters arranged in the first emission region and the second emission region. Respective light emitters of the plurality of light emitters are configured to emit light. The first emission region has a first density of light emitters. The second emission region has a second density of light emitters that is less than the first density.Type: GrantFiled: August 30, 2019Date of Patent: December 1, 2020Assignee: Facebook Technologies, LLCInventors: Andrew John Ouderkirk, James Ronald Bonar, Jasmine Soria Sears
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Patent number: 10854156Abstract: A display device includes a plurality of pixels arranged in a matrix. Overlapping areas between gate electrodes and drain electrodes of switching elements connected to a plurality of selected pixel electrodes are individually set to equalize or substantially equalize retention voltages Vd(+) (Vd(?)) of the selected pixel electrodes when a specific voltage of a first polarity is applied to the selected pixel electrodes. The source application section is controlled to apply to the source lines source signals Vsc each of which is corrected by superposing a correction voltage preset for each source line on the source signal Vs(?) (Vs(+)) in application of a voltage of a second polarity to the selected pixel electrodes.Type: GrantFiled: July 2, 2019Date of Patent: December 1, 2020Assignee: SAKAI DISPLAY PRODUCTS CORPORATIONInventor: Akira Yamamoto
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Patent number: 10771229Abstract: Method and system for synchronizing a plurality of pieces of equipment, wherein it includes at least the following steps: in each equipment generating the command signal, computing a value of the difference ?H between a reference-clock value Hm and the local clock Hi of an equipment, on detecting a phase shift ?H between the reference-clock value and the value of a local clock, when the value of the phase shift ?H between the local clock and the reference clock corresponds to one refresh cycle of the reference clock Hm, a corrected clock time Hic is defined by repeating a number of the clock signal of given parity if the value of the local clock is early and a corrected clock time is defined by skipping one number of the clock signal of opposite parity to the first parity if the local clock value is late, when the value of the phase shift ?H is higher than one refresh cycle, the method resets the reference time, a corrected value of the clock in each equipment is used to emit the command signal.Type: GrantFiled: August 29, 2019Date of Patent: September 8, 2020Assignee: THALESInventors: Damian Andrade Alfonseca, Tony Teixeira, Stéphane Guguen
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Patent number: 10732456Abstract: A display device and a direct-type backlight thereof are provided. The direct-type backlight includes a central area and a peripheral area. The central area is configured with a plurality of central area light-emitting elements to provide light to a liquid crystal display (LCD) panel. The density of these central area light-emitting elements in the central area is a first density. The peripheral area is configured with a plurality of peripheral area light-emitting elements to provide light to the LCD panel. The density of the peripheral area light-emitting elements in the peripheral area is a second density. Wherein, the second density is less than the first density.Type: GrantFiled: April 23, 2018Date of Patent: August 4, 2020Assignee: HTC CorporationInventors: Fu-Cheng Fan, Chung-Jung Chen
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Patent number: 10732459Abstract: A backlight unit includes a plurality of light emitting diode (LED) packages on a top surface of a circuit board, an encapsulation member located on the circuit board and covering the plurality of LED packages, and an integrated pattern sheet on the encapsulation member. The integrated pattern sheet includes a base layer, a plurality of reflective patterns at a bottom surface of the base layer and respectively corresponding to the plurality of LED packages, and a plurality of diffusion patterns at a top surface of the base layer, wherein the reflective patterns are configured with a relational expression of c+(t2?t1)*tan {(sin?1(1/n)}>d<1.8p, where c, t1 and p are a width, a height and a pitch of the LED package, respectively, t2 and n are a height and a refractive index of the encapsulation member, respectively, and d is a width of the reflective pattern.Type: GrantFiled: September 19, 2018Date of Patent: August 4, 2020Assignee: LG DISPLAY CO., LTD.Inventors: Hyun-Min Park, Rok-Hee Lee, Ki-Seong Kim
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Patent number: 10705364Abstract: An image display apparatus includes: a display panel; a rear frame which is plate-shaped and located on a back side of the display panel; a plurality of LED sheets which are attached to the rear frame, and on which components, which are light sources for illuminating the display panel from the back side of the display panel, are mounted; and a relay sheet which is flexible and provided with wiring for relaying power to be supplied to the plurality of LED sheets.Type: GrantFiled: February 6, 2018Date of Patent: July 7, 2020Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Takamitsu Isono, Yumie Itou
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Patent number: 10656448Abstract: An image display apparatus includes: a display panel; a rear frame which is plate-shaped and located on a back side of the display panel; a plurality of LED sheets which are attached to the rear frame, and on which components, which are light sources for illuminating the display panel from the back side of the display panel, are mounted; and a relay sheet which is flexible and provided with wiring for relaying power to be supplied to the plurality of LED sheets.Type: GrantFiled: February 6, 2018Date of Patent: May 19, 2020Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Takamitsu Isono, Yumie Itou
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Patent number: 10627637Abstract: The present invention provides an optical system and a light fixture using the optical system, the optical system comprising a substrate, a light source mounted on the substrate and including multiple sets of light emitting arrays, a light pipe arranged corresponding to each set of the light emitting arrays, including an input surface, at least one light guiding surface and an output surface, and an optical lens. Additionally, the optical system further comprises honeycomb-like cover including multiple through holes, each through hole sleeved on each lens of the optical lens, a cross section of the through hole matching with a maximum cross section of the lens of the optical lens, and an overall shape of the through holes arranged on the honeycomb-like cover matching with that of the light source arranged on the substrate. On such configuration, uniform light spots can be achieved and light crosstalking can be effectively prevented.Type: GrantFiled: December 27, 2018Date of Patent: April 21, 2020Assignee: Guangzhou Haoyang Electronic Co., Ltd.Inventor: Weikai Jiang
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Patent number: 10540750Abstract: An electronic device includes a SPAD array and readout circuitry coupled thereto. The readout circuitry generates a depth map having a first resolution, and a signal count map having a second resolution greater than the first resolution. The depth map corresponds to distance observations to an object. The signal count map corresponds to intensity observation sets of the object, with each intensity observation set including intensity observations corresponding to a respective distance observation in the depth map. An upscaling processor is coupled to the readout circuitry to calculate upscaling factors for each intensity observation set so that each distance observation has respective upscaling factors associated therewith. The depth map is then upscaled from the first resolution to the second resolution based on the respective upscaling factors.Type: GrantFiled: May 10, 2018Date of Patent: January 21, 2020Assignees: STMICROELECTRONICS SA, STMICROELECTRONICS (RESEARCH & DEVELOPMENT) LIMITEDInventors: Ed Hawkins, Arnaud Bourge, Chandan Siyag
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Patent number: 10509262Abstract: A display device includes a display panel and a plurality of light source modules arranged in parallel to a rear surface of the display panel to emit light toward the display panel, and a plurality of light source modules provided to be independently operable. A plurality of light source modules includes a modulator configured to guide light, a light source disposed on a rear surface of the modulator to generate light, a reflective member disposed opposite to the light source on a front surface of the modulator and configured to reflect the generated light to inside or the rear surface of the modulator, and a light conversion member disposed on the rear surface of the modulator and configured to convert the wavelength of light guided by the modulator, the light conversion member being formed in a predetermined pattern shape.Type: GrantFiled: June 7, 2018Date of Patent: December 17, 2019Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Nae-Won Jang, Young Chol Lee, Kyung Soo Park, Ho Seok Lee
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Patent number: 10484651Abstract: An image display control device according to an embodiment includes a display and a controller. The controller displays a first screen on the display. The first screen includes a first image and a second image. The first image is and image of a vehicle viewed from above. The second image is obtained by capturing a second area that is a part of a first area where is a capturing target around the vehicle. The controller displays, on the display, a third image that is switched from the second image, the third image. The third image is obtained by capturing a third area where is different from the second area. The third is selected as a part of area included in the first area. The controller displays identification information for identifying the third area within the first image, before the second image is switched to the third image.Type: GrantFiled: June 23, 2016Date of Patent: November 19, 2019Assignee: AISIN SEIKI KABUSHIKI KAISHAInventors: Kazuya Watanabe, Takayuki Nakasho, Masahiko Sakabe
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Patent number: 10262576Abstract: A display device, a control circuit and associated control method are provided. The display device includes the control circuit and a display panel. The control circuit receives a plurality of source frames with a source frame rate. The control circuit generates a plurality of data signals and a plurality of gate signals based on the plurality of source frames. The display panel is electrically connected to the control circuit. The display panel displays the plurality of output frames according to the plurality of data signals and the plurality of gate signal. The plurality of output frames are displayed with one of a first refresh frame rate and a second refresh frame rate. The source frame rate is equivalent to the first refresh frame rate, and the source frame rate is greater than the second refresh frame rate.Type: GrantFiled: March 13, 2017Date of Patent: April 16, 2019Assignee: NOVATEK MICROELECTRONICS CORP.Inventor: Li-Tang Lin
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Patent number: 10227252Abstract: Disclosed is a method for the production of a tube having, in sections, a non-circular profile by deforming, comprising: a) providing a tube, which has a circular initial profile; b) conveying the tube in a hot, malleable state through a nip, which is formed by squeezing rollers and has a first nip width, which is larger than or equal to an outer dimension of the initial profile; c) adjusting the squeezing rollers for setting a second nip width, which is smaller than the outer dimension of the initial profile, and deforming the initial profile in said hot, malleable state for obtaining said non-circular cross section; and d) adjusting the squeezing rollers for setting a third nip width, which is larger than or equal to the outer dimension of the initial profile, and severing said tube in a region having a circular cross section; so that respective end portions of said tube have a circular cross section According to the invention, the tubes can be connected reliably with connecting-members or other tubeType: GrantFiled: August 28, 2014Date of Patent: March 12, 2019Assignee: SCHOTT AGInventors: Nikolaus Schultz, Nikolaos Katsikis, Volker Trinks, Reinhard Maennl
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Patent number: 10168469Abstract: Provided is a light-source device comprising a light guide plate having a rectangular shape, a light source facing a side surface of the light guide plate, a reflective sheet having a rectangular shape facing one broad surface of the light guide plate, and a plate-shaped member provided at a distance from the one broad surface. The light source side edge of the reflective sheet is located inwards of a light source side edge of the light guide plate such that a part of the one broad surface on the light source side is formed as an exposed surface, and light leakage prevention unit filling the space between the exposed surface and the plate-shaped member is provided with a protruding portion protruding towards the light source. A reflective body is provided at a position corresponding to a clearance provided between the edge of the reflective sheet and the light-leakage prevention unit.Type: GrantFiled: June 23, 2014Date of Patent: January 1, 2019Assignee: Sakai Display Products CorporationInventor: Daisuke Teragawa
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Patent number: 10142600Abstract: A display device includes: a projection unit that emits light depending on a first picture signal, the first picture signal including three primary color signals; a display unit that includes a screen, a transmissive liquid crystal panel, and a polarizing plate, the transmissive liquid crystal panel changing a polarizing direction of each of three primary color lights from the projection unit, depending on a second picture signal including three primary color signals; and a display control unit that generates the first picture signal and the second picture signal from an input picture signal including three primary color signals, and that outputs a picture signal for controlling the projection unit based on the first picture signal and controlling the transmissive liquid crystal panel based on the second picture signal.Type: GrantFiled: September 8, 2017Date of Patent: November 27, 2018Assignee: JVC KENWOOD CORPORATIONInventor: Ryosuke Nakagoshi
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Patent number: 10082698Abstract: A display device includes a display panel, a reflection plate, and a light emitting diode light source, the display panel including a lower substrate including a lower base substrate, a liquid crystal layer disposed on the lower substrate, and a light source driving electrode disposed on a lower surface of the lower base substrate where the reflection plate is disposed under the display panel, and the light emitting diode light source is disposed on the lower surface of the lower base substrate, connected to the light source driving electrode, and emits a light to the reflection plate.Type: GrantFiled: December 20, 2016Date of Patent: September 25, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sungyong Kang, Haksun Kim, Taegil Kang
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Patent number: 9984649Abstract: An array substrate, a driving method thereof and a display device are disclosed. In the array substrate, one second scanning signal line is disposed at a position corresponding to the 2N+1)th row of sub-pixels or the (2N+2)th row of sub-pixels, or one second scanning signal line is disposed at a position corresponding to the (N+1)th row of sub-pixels; each first switching element is disposed in a corresponding sub-pixel; each second switching element is disposed in a corresponding sub-pixel group; each first scanning signal line is configured to control a plurality of first switching elements in one row of sub-pixels; and each second scanning signal line is configured to control a plurality of second switching elements in one row of sub-pixel groups. The display device can have resolution reduced by half or three fourth in the case of full screen display, and lowers drive power consumption of the display panel without affecting display brightness.Type: GrantFiled: November 6, 2015Date of Patent: May 29, 2018Assignees: BOE TECHNOLOGY GROUP CO., LTD., CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Yanxia Xin, Xiaofei Yang, Huiguang Yang, Xu Liu
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Patent number: 9894191Abstract: A mobile terminal comprises: a case having an electric mounting portion with electronic components installed therein and having an ear jack holder part on the outer surface thereof; and ear jack connected to the ear jack holder part and having a plug hole into which a connecting plug is inserted; a plurality of first terminals equipped inside the plug hole; a second terminal connected to the first terminal and exposed to the outside of the ear jack; an antenna carrier connected to the back side of the case and having an antenna pattern formed on the surface thereof; and an ear jack electrode pattern formed in the antenna carrier, one end thereof being connected to the second terminal, wherein the mobile terminal has an ear jack structure outside the case, and thereby can prevent water from flowing into the mobile terminal through the ear jack.Type: GrantFiled: November 24, 2014Date of Patent: February 13, 2018Assignee: LG ELECTRONICS INC.Inventors: Sungpil Kim, Hosung Nam, Minho Park, Jaeyoung Han, Kwanghyun Ahn, Joonho Huh
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Patent number: 9891372Abstract: A backlight module includes a light guiding plate having a side surface, at least one light source facing towards the light guiding plate, and a thermal insulation element. The thermal insulation element is configured to prevent heat from the at least one light source from transferring to the bezel and display panel. The thermal insulation element is coupled to the side surface. The at least one light source is enclosed by the light guiding plate and the thermal insulation element.Type: GrantFiled: October 20, 2016Date of Patent: February 13, 2018Assignee: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Chih-Hsien Chen, Cheng-Fa Chung, Yue-Han Chen, I-Ting Huang
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Patent number: 9880338Abstract: An illumination device according to one embodiment of the present invention comprises a light guide plate configured to emit light from inside through one surface of the light guide plate, a light source disposed to face a peripheral surface of the light guide plate, and a reflection sheet which is provided at a region face to the other surface of the light guide plate, which is opposite to the one surface, to reflect the light emitted by the light source toward the light guide plate. For distances between the light source and a peripheral edge part of the reflection sheet, a distance between a middle part of the light source in a peripheral edge direction of the light guide plate and a portion in the peripheral edge part of the reflection sheet corresponding to the middle part is the longest.Type: GrantFiled: September 2, 2014Date of Patent: January 30, 2018Assignee: Sakai Display Products CorporationInventor: Ryo Yamakawa
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Patent number: 9837026Abstract: The present invention provides a backlight control method, a backlight control device and a display apparatus. The backlight control method comprises steps of: acquiring a backlight information and writing the backlight information into a backlight register of system on chip; obtaining a backlight adjusting data based on the backlight information in the backlight register; sending the backlight adjusting data to a backlight control register of a field-programmable gate array, so that the backlight control register obtains a corresponding backlight control register value based on the backlight adjusting data; and adjusting backlight according to the backlight control register value. By correlating backlight option function in the system on chip (SOC) with the field-programmable gate array (FPGA) panel, the users can accomplish the control of the displayed backlight through the menus displayed on the display apparatus. This improves the using experience of the users.Type: GrantFiled: June 26, 2014Date of Patent: December 5, 2017Assignees: BOE TECHNOLOGY GROUP CO., LTD., BEIJING BOE VISION-ELECTRONIC TECHNOLOGY CO., LTD.Inventor: Bendeng Lv
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Patent number: 9671644Abstract: A direct backlight module and LCD device are provided. The direct backlight module includes a back plate, a backlight source mounted on the back plate, and a plurality of double lens structures mounted on the back plate and over the backlight source, the backlight source includes a plurality of LED bars, wherein the double lens structures are axisymmetrical and correspond to the LED bars, respectively, and each of the double lens structure has an axis coincides with that of the corresponding LED bar. The backlight module according to the embodiments of the present invention can improve the light efficiency of the backlight module and reduce the number of the LEDs used, and a slim design for backlight module is obtained.Type: GrantFiled: November 5, 2013Date of Patent: June 6, 2017Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Yanliu Sun