Patents Examined by Julie Anne Watko
-
Patent number: 11120753Abstract: A liquid crystal display and a method for driving same, capable of eliminating large viewing angle color shift of a liquid crystal display having VA liquid crystals. The liquid crystal display includes a liquid crystal panel and a driving module. The liquid crystal panel includes a plurality of liquid crystal pixels (Pab, wherein 1?a?A, 1?b?B, and both a and b are integers) arranged in an array. The liquid crystal display is configured to display a same picture in two adjacent frames. The driving module is used for respectively providing different pixel voltages of the same polarity to each liquid crystal pixel (Pab) in the two adjacent frames to deflect liquid crystal molecules of the liquid crystal pixel (Pab).Type: GrantFiled: December 26, 2017Date of Patent: September 14, 2021Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Yu-Jen Chen
-
Patent number: 11100856Abstract: A stage including: an output circuit to supply a voltage of a first power source or a second power source to an output terminal based on voltages of a first node and a second node; and a stabilizer circuit connected to the first power source and the first node to maintain the voltage of the second node when the voltage of the first power source is to be output to the output terminal, the output circuit and the stabilizer circuit being commonly connected to a first electrode and a second electrode of a capacitor.Type: GrantFiled: April 6, 2020Date of Patent: August 24, 2021Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seung Kyu Lee, Seung Ji Cha, Ji Hyun Ka, Tae Hoon Kwon, Min Ku Lee, Jin Tae Jeong
-
Patent number: 11079835Abstract: A device includes a first display, a second display, a battery, a control processor, and a second processor. The second display consumes less power than the first display. The control processor changes a display mode of the device between a first display mode and a second display mode. In the first display mode the first display displays information, and in the second display mode the second display displays information. The control processor switches from the first display mode to the second display mode to give the battery a longer life. The control processor is operated by an “Operating System” (OS), and the second processor is operated by a “Basic Input Output System” (BIOS).Type: GrantFiled: September 13, 2019Date of Patent: August 3, 2021Assignee: Casio Computer Co., Ltd.Inventor: Kimiyasu Mizuno
-
Patent number: 11073913Abstract: In an embodiment a device includes at least one piezoelectric actuator including a plurality of piezoelectric layers and a first reinforcing element and a second reinforcing element, wherein the piezoelectric actuator is arranged between the reinforcing elements, wherein the piezoelectric actuator is configured to alter its expansion in a first direction when an electrical voltage is applied, and wherein the reinforcing elements are configured to deform on account of a change in an expansion of the piezoelectric actuator such that a central region of the respective reinforcing element is moved relative to the piezoelectric actuator in a second direction, the second direction being perpendicular to the first direction.Type: GrantFiled: August 3, 2017Date of Patent: July 27, 2021Assignee: TDK ELECTRONICS AGInventors: Franz Rinner, Harald Kastl
-
Patent number: 11054657Abstract: A see-through display device includes an image generation unit configured to emit a virtual image light, a light combining unit configured to combine the virtual image light with an actual image light, and a driving unit including a deformation unit and a bridge unit disposed between the deformation unit and the image generation unit, and configured to control a distance between the image generation unit and the light combining unit through the deformation unit and the bridge unit.Type: GrantFiled: March 26, 2019Date of Patent: July 6, 2021Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Bongsu Shin, Changkun Lee, Sunil Kim, Wontaek Seo, Geeyoung Sung
-
Patent number: 11056050Abstract: An image processing unit includes: a gain calculating section obtaining, based on first luminance information for each pixel, a first gain, in which the first gain is configured to increase with an increase in pixel luminance value in a range where the pixel luminance value is equal to or larger than a predetermined luminance value, and in which the pixel luminance value is derived from the first luminance information; and a determination section determining, based on the first luminance information and the first gain, second luminance information for each of the pixels.Type: GrantFiled: July 3, 2019Date of Patent: July 6, 2021Assignee: Sony CorporationInventors: Tomoya Yano, Makoto Nakagawa, Mitsuyasu Asano, Yasuo Inoue, Shoji Araki, Hidehisa Shimizu
-
Patent number: 11048371Abstract: An organic light emitting display panel and a display device are provided. The organic light emitting display panel includes: a driving device film layer, a light emitting device film layer, an encapsulation film layer and a touch film layer that are sequentially stacked; the touch film layer includes a touch cross bridge metal layer, a touch insulation layer and a touch electrode metal layer that are sequentially stacked; the organic light emitting display panel includes a display region, and the display region includes an edge display region and a non-edge display region, and the edge display region includes a profiled edge display region; at least one of the cross bridge metal layer and the touch electrode metal layer includes a dummy metal wire and a signal metal wire. The dummy metal wire is located in the profiled edge display region.Type: GrantFiled: December 6, 2019Date of Patent: June 29, 2021Assignee: WUHAN TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Guofeng Zhang, Zhaokeng Cao, Linshan Guo, Tianqing Hu
-
Patent number: 11036086Abstract: A display device includes: a display panel; a driver IC that outputs a driving signal to the display panel; a flexible substrate on which the driver IC is mounted; a first frame that supports the display panel from a side of a light source; and a second frame that supports the light source while being provided independently of the first frame. The first frame includes a metallic frame unit which is opposite to the driver IC from the side of the light source.Type: GrantFiled: August 28, 2019Date of Patent: June 15, 2021Assignees: Panasonic Liquid Crystal Display Co., Ltd., Pasona Knowledge Partner Inc.Inventors: Yusuke Katagiri, Masaki Tsubokura
-
Patent number: 11025764Abstract: A method and a system for reducing current noise of a touch terminal are provided. The method includes: determining that a user receives a voice call via an earpiece of the touch terminal, and controlling the touch terminal to switch from a first touch scan frequency to a second touch scan frequency, where the second touch scan frequency is less than the first touch scan frequency. As can be seen, if the user receives the voice call via the earpiece of the touch terminal, the touch terminal is controlled to switch from the first touch scan frequency to the second touch scan frequency, to effectively reduce the current noise heard by the user by decreasing the touch scan frequency of the touch terminal, so that the periodic current noise is outside a frequency band perceptible to a human ear, thereby improving user experience when receiving the voice call.Type: GrantFiled: March 20, 2019Date of Patent: June 1, 2021Assignee: SHANGHAI AVIC OPTO ELECTRONICS CO., LTD.Inventors: Zhengyuan Huang, Xu Yang, Xupeng Wang, Zhi Zheng, Changchao Liu
-
Patent number: 10998068Abstract: A shift register circuit includes a first circuit, M second circuits, and N third circuits. M and N are both positive integers, N is an integer multiple of M, M is greater than or equal to 2, and a quotient of N and M is greater than or equal to 2. The first circuit includes a first signal output terminal. Each second circuit includes a second signal input terminal connected to the first signal output terminal. Each third circuit includes a third signal input terminal that is connected to one of second signal input terminals of the M second circuits. A second signal output terminal of each second circuit is connected to third signal input terminals of N/M third circuits, and different second signal output terminals are connected to different third signal input terminals.Type: GrantFiled: March 22, 2019Date of Patent: May 4, 2021Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhuo Xu, Yuanbo Zhang, Yajie Bai, Haipeng Zhu, Yan Zhou, Hailong Wu, Heecheol Kim, Min Ran
-
Patent number: 10997923Abstract: A scan driver includes a charging part configured to charge a next scan signal in response to a sensing selection signal in an active period of a frame period, and an output control part configured to output the second clock signal in response to a voltage charged in the charging part in a vertical blank period of the frame period.Type: GrantFiled: November 26, 2019Date of Patent: May 4, 2021Assignee: Samsung Display Co., Lid.Inventors: Jae Keun Lim, Jun Yong Song, Jeonkyoo Kim
-
Patent number: 10991298Abstract: A distance sensor includes: a shell; and at least two infrared light emission devices, a light sensor and a light wall structure, which are arranged within a space enclosed by the shell. Each of the at least two infrared light emission devices emits light to a set range, and the set ranges corresponding to respective infrared light emission devices have an overlapping region beyond a preset height, a luminous flux density in the overlapping region exceeds a set density threshold value, and a luminous flux density outside the overlapping region is less than the set density threshold value. The light sensor is arranged in a preformed groove of the light wall structure. The light wall structure can be made from a light absorption material and configured to prevent incidence of light around to the light sensor.Type: GrantFiled: November 25, 2019Date of Patent: April 27, 2021Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.Inventors: Chaoxi Chen, Fei Xie, Yanteng Wang
-
Patent number: 10990260Abstract: An electronic device includes a fingerprint sensor and one or more processors operable with the fingerprint sensor. One or more motion detectors are also operable with the one or more processors. The one or more processors determine with the fingerprint sensor, a direction of rotation of an object rotating, and in contact with, the fingerprint sensor. The one or more motion detectors detect whether the electronic device is rotating in three-dimensional space. The one or more processors then select and perform a first control operation when the object is rotating in a first axial direction and the electronic device is substantially stationary. Alternatively, the one or more processors select and perform a second control operation when the electronic device is rotating and the object is rotating in the first axial direction.Type: GrantFiled: August 23, 2018Date of Patent: April 27, 2021Assignee: Motorola Mobility LLCInventors: John Gorsica, Thomas Merrell
-
Patent number: 10983620Abstract: A touch display module, a controlling method, a panel and a display device are provided in embodiments of the disclosure, all belong to the technical field of display technology, the touch display module including: a touch circuit, an auxiliary circuit, a base substrate, a plurality of electrode blocks and a plurality of electrode lines; the touch circuit is configured to provide the plurality of electrode lines with respective display signals at a display stage, and to provide the plurality of electrode lines with respective touch signals at a touch stage; and the auxiliary circuit is configured to provide the plurality of electrode lines with respective display signals at the display stage, and to stop providing the plurality of electrode lines with the respective display signals at the touch stage.Type: GrantFiled: May 22, 2019Date of Patent: April 20, 2021Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xuebo Liang, Xiuzhu Tang, Shuai Chen, Shuang Hu, Xing Dong, Lijun Xiong, Zhenguo Tian, Taoliang Tang, Zhi Wang
-
Patent number: 10976824Abstract: A reluctance haptic engine for an electronic device includes a core, an attractor, and one or more flexible support members. The core and/or the attractor may be coupled to an input structure, such as a button cap, trackpad cover, touchscreen cover, or the like. In an unactuated configuration, flexible support members maintain a gap between the core and the attractor. An electrical current may be applied to one or more conduction loops of the core to actuate the reluctance haptic engine and provide a haptic output by moving the input structure. The electrical current may cause a magnetic flux that results in a reluctance force that pulls the attractor and the core together and causes the input structure to move (e.g., translate, rotate, oscillate, vibrate, or deform) to produce a haptic output.Type: GrantFiled: September 26, 2019Date of Patent: April 13, 2021Assignee: Apple Inc.Inventors: Darya Amin-Shahidi, Alex M. Lee, Denis G. Chen, Alex J. Lehmann, Alex J. Speltz, Etienne Marecal
-
Patent number: 10976854Abstract: Embodiments of the present disclosure provide a force touch display panel, a detection method thereof, and a display apparatus. The force touch display panel includes: a substrate; a display structure disposed in a display area on the substrate; and a force common electrode layer, a piezoelectric material layer, and a force sense electrode layer, which are stacked in sequence over the display structure. The force sense electrode layer includes a force sense electrode configured for identifying different forces, and the force sense electrode additionally serves as a touch detection electrode configured for identifying a touch operation.Type: GrantFiled: June 15, 2018Date of Patent: April 13, 2021Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yuzhen Guo, Xue Dong, Haisheng Wang, Yingming Liu, Xiaoliang Ding, Xueyou Cao, Lijun Zhao, Chihjen Cheng
-
Patent number: 10930225Abstract: A display control method and apparatus of backlight sources, and a display device are provided. The method includes: determining a set backlight value of each backlight area according to a grayscale of an image to be displayed; determining an equivalent backlight luminance of each pixel point according to backlight source diffusion transmission parameter of the backlight module of the display device and the set backlight value of each backlight area; determining a compensation image according to the equivalent backlight luminance of each pixel point; and controlling the backlight module to turn on the backlight sources according to the set backlight value of each backlight area, and controlling the display panel to display the image according to the compensation image.Type: GrantFiled: March 4, 2019Date of Patent: February 23, 2021Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhihua Ji, Tiankuo Shi, Xiaomang Zhang, Yilang Sun, Lingyun Shi, Wenyu Li, Yanhui Xi, Chuanjun Liu
-
Patent number: 10914949Abstract: An application engine renders an image based on image data from a content source. A display engine displays the image to a user. The image is adjustable from a first size to a second size. A detection system detects the size adjustment. An application executes a clarification routine to maintain sharpness of the image.Type: GrantFiled: November 13, 2019Date of Patent: February 9, 2021Assignee: Magic Leap, Inc.Inventors: Syed Idris Shah, Henricus Cabanier
-
Patent number: 10891891Abstract: An electro-optical device includes a scan line, a data line, a pixel circuit, and an enable line. The pixel circuit includes a memory circuit, a light emitting element, and a first transistor. The light emitting element changes brightness in response to an image signal held in the memory circuit. The first transistor controls light emission and non-light-emission of the light emitting element. A field for displaying a single image each includes a sub-field (SF1) and a sub-field (SF2). The sub-field (SF1) and the sub-field (SF2) include a non-display period during which the light emitting element does not emit light and a display period during which the light emitting element is allowed to emit light. A length of the display period in the sub-field (SF1) is different from a length of the display period in the sub-field (SF2).Type: GrantFiled: January 29, 2019Date of Patent: January 12, 2021Assignee: SEIKO EPSON CORPORATIONInventors: Mitsutoshi Miyasaka, Yoichi Momose, Kiyoshi Sekijima
-
Patent number: 10877608Abstract: Embodiments of the disclosure relate, generally, to techniques for parallel acquisition and measurements and related circuits, systems and devices that implement those techniques. A technique for parallel acquisition and measurement generally includes simultaneously acquiring sensed signals from multiple sensor channels and determining channel capacitance measurements responsive to the sensed signals.Type: GrantFiled: June 21, 2018Date of Patent: December 29, 2020Assignee: Microchip Technology IncorporatedInventors: Regis Vix, Rian Whelan, Frederic Igier