Light Detection Means (e.g., With Photodetector) Patents (Class 345/207)
  • Patent number: 10916614
    Abstract: An array substrate, a display panel, a light-detecting method for a display panel, and a method for controlling a display panel are provided. The array substrate includes a base substrate; a plurality of pixel regions arranged in an array on the base substrate, the pixel regions each including a light-emitting region; and a light-detecting circuit in at least one pixel region, the light-detecting circuit configured to detect light emitted from the light-emitting region of the at least one pixel region in which the light-detecting circuit is provided.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: February 9, 2021
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Mengyu Luan, Yuching Peng, Youyuan Hu, Zhongsheng Qi, Bo Mao, Fei Li, Jianhui Zhang, Xinfeng Wu, Huihui Li, Xinzhu Wang
  • Patent number: 10909925
    Abstract: A pixel circuit and a driving method thereof, a display panel and a display device. The pixel circuit includes a light emitting element, a driving circuit and a compensation voltage acquisition circuit. The driving circuit is configured to drive the light emitting element to emit light; and the compensation voltage acquisition circuit is configured to obtain a compensation voltage based on luminance of the light emitting element, and the compensation voltage can be provided to the driving circuit.
    Type: Grant
    Filed: July 18, 2017
    Date of Patent: February 2, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Han Yue, Xiaochuan Chen, Shengji Yang, Dongni Liu, Lei Wang, Li Xiao, Pengcheng Lu, Jie Fu
  • Patent number: 10911143
    Abstract: The present disclosure provides a visible light communication device and a method for driving the same, a door lock and a visible light communication method. The visible light communication device includes an array substrate, the array substrate including a display region having a plurality of pixels and a photosensitive region having at least one photosensitive sensor, the at least one photosensitive sensor is configured to convert a received visible light signal carrying encoded information into an electric signal.
    Type: Grant
    Filed: July 23, 2019
    Date of Patent: February 2, 2021
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Wenbo Li
  • Patent number: 10890945
    Abstract: An electronic device includes a display panel, two camera and at least one light sensor. The display panel includes a full screen display area. The full screen display area includes a display surface and a back surface opposite to the display surface. The display panel defines a slot extending through the display surface and the back surface, and the slot is located in the full screen display area. The full screen display area includes a plurality of image pixels configured to display data information. The two cameras are received in the slot, and the at least one light sensor is received in the slot.
    Type: Grant
    Filed: February 18, 2020
    Date of Patent: January 12, 2021
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Xiaoming Bao, Maozhao Huang
  • Patent number: 10884273
    Abstract: A display panel and a display device are provided, which the display panel including a display substrate, a counter substrate, and a backlight. The display substrate includes a first thin film transistor layer, a touch electrode, and a pixel definition layer. The substrate includes a second thin film transistor layer and a photosensitive component. The second thin film transistor layer has a plurality of thin film transistors. The photosensitive component is connected to an underside of the second thin film transistor layer. The photosensitive component receives a reflected light of a user's fingerprint to identify an identification of the user.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: January 5, 2021
    Inventors: Juncheng Xiao, Fei Ai, Yuan Yan
  • Patent number: 10885677
    Abstract: Setting interface element colors is disclosed including rendering an interface element, determining first color values, assigning a value to a color attribute of the interface element based on the first color values, and updating the interface element according to the assigned value.
    Type: Grant
    Filed: April 11, 2019
    Date of Patent: January 5, 2021
    Assignee: BANMA ZHIXING NETWORK (HONGKONG) CO., LIMITED
    Inventors: Shuai Chen, Zhi Li, Tao Lin, Xushu Lu, Junlin Tian
  • Patent number: 10885852
    Abstract: An electronic device includes a display having an active array and a reference array. The active array includes a pixel and the reference array includes a reference pixel. The electronic device also includes processing circuitry communicatively coupled to the display. The processing circuitry is configured to instruct the active array to drive the pixel based at least in part on a set of degradation ratios and gamma tap points for each brightness setting of the display based at least in part on a reconstructed current-voltage curve.
    Type: Grant
    Filed: June 4, 2020
    Date of Patent: January 5, 2021
    Assignee: Apple Inc.
    Inventors: Sheng Zhang, Chih-Wei Yeh, Yunhui Hou, Chaohao Wang, Wei H. Yao, Paolo Sacchetto, Derek K. Shaeffer, Henry C. Jen, Shingo Hatanaka, Hasan Akyol, Mahdi Farrokh Baroughi, Hopil Bae
  • Patent number: 10877610
    Abstract: Provided are a display device and a sensing method thereof that include: a display panel comprising a plurality of pixels; a first sensing unit configured to detect a touch of the display panel and output a first sensing signal; a second sensing unit configured to detect light and output a second sensing signal; a sensing driver IC configured to output the first sensing signal and the second sensing signal received from the first sensing unit and the second sensing unit as sensing voltages; and a controller configured to divide the sensing voltages received from the sensing device IC into the first sensing signal and the second sensing signal.
    Type: Grant
    Filed: August 14, 2018
    Date of Patent: December 29, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Soyoung Lee, SeungHwan Shin
  • Patent number: 10878747
    Abstract: Methods and systems for compensating a display of an electronic device using internal sensing and external compensation. The external compensation uses a generated compensation map that then is used to compensate for variations that occur outside of display circuitry. The internal sensing compensation is used to compensate for internally sensed parameters (e.g., aging) of the display.
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: December 29, 2020
    Assignee: Apple Inc.
    Inventors: Shengkui Gao, Chaohao Wang, Hung Sheng Lin, Hyunsoo Kim, Hyunwoo Nho, Injae Hwang, Jesse Aaron Richmond, Jie Won Ryu, Junhua Tan, Kingsuk Brahma, Myung-Je Cho, Myungjoon Choi, Shiping Shen, Sun-Il Chang, Wei H. Yao, Yi Qiao
  • Patent number: 10867556
    Abstract: A pixel unit circuit, a driving method of the pixel unit circuit, and a pixel circuit are provided. The pixel unit circuit includes at least one sub-pixel sub-unit circuit connected to display signal lines and display signal terminals; and pixel compensation sub-unit circuit connected to two compensation signal lines and at least one compensation signal terminal, wherein one of the display signal lines and one of the compensation signal lines are a same signal line, and/or one of the display signal terminals and one of the at least one compensation signal terminal are a same signal terminal, and/or the pixel unit circuit further includes a multiplexer sub-circuit, one of the display signal lines is connected to a first terminal of the multiplexer sub-circuit, one of the compensation signal lines is connected to a second terminal of the multiplexer sub-circuit.
    Type: Grant
    Filed: November 21, 2018
    Date of Patent: December 15, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yingming Liu, Xue Dong, Haisheng Wang, Xiaoliang Ding, Changfeng Li, Wei Liu
  • Patent number: 10866616
    Abstract: In an embodiment, a liquid planarization material is coated on at least one of a first surface and a second surface of the cover glass. The second surface faces a direction opposite the first surface. The liquid planarization material is pressed toward the cover glass by a pressing plate and cured. Then, the pressing plate is detached from the cured planarization material and the cover glass. Other embodiments are possible.
    Type: Grant
    Filed: July 17, 2018
    Date of Patent: December 15, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Youngmin Seo, Youngsoo Lee, Min Kim, Yongha Kim
  • Patent number: 10860134
    Abstract: The display device of the present disclosure may comprise a display panel equipped with pixels each representing image data and photo sensors each outputting an electric signal through a sensing line responding to light, a data driving circuit providing a data voltage corresponding to the image data to the pixel through a data line, a gate driving circuit supplying, through a gate line, a scan signal for controlling an application of the data voltage to the pixel disposed on a horizontal line and for controlling a connection of the photo sensor disposed on a corresponding horizontal line and the sensing line, a sensing driving circuit outputting digital sensing data by summing the electric signals of two photo sensors disposed on different horizontal lines and sharing the sensing line; and a timing controller supplying control signals for controlling the data driving circuit, the gate driving circuit and the sensing driving circuit.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: December 8, 2020
    Assignee: LG Display Co., Ltd.
    Inventors: Moonsoo Chung, Joohee Lee
  • Patent number: 10854695
    Abstract: The present invention provides an OLED display panel. The display panel includes a plurality of sub-pixels arranged in an array. Each of the sub-pixels comprises a base substrate, a TFT layer, a flat layer, a first electrode, a pixel defining layer, a light emitting layer, a transparent second electrode, and an encapsulation layer. A portion of at least one of the flat layer and the pixel defining layer is formed by a black shielding material. The OLED display panel can be prevented from reflecting ambient light without improving the light extraction efficiency, thereby improving the viewing experience of the OLED display panel by the arrangement of a portion of at least one of the flat layer and the pixel defining layer is formed by a black shielding material.
    Type: Grant
    Filed: February 21, 2019
    Date of Patent: December 1, 2020
    Inventors: Yuejun Tang, Xueyun Li
  • Patent number: 10845664
    Abstract: A liquid crystal display panel and a terminal device are provided. The liquid crystal display panel includes a backlight module, a lower polarizer, a thin film transistor (TFT) layer, a liquid crystal layer, a color filter, an upper polarizer, an optical adhesive, and a cover glass which are sequentially disposed. A Fresnel lens is disposed at a position corresponding to a first blind hole by one or more of a computerized numerical control (CNC) machining, a glass injection molding, and a casting. The liquid crystal display panel adjusts externally incoming light into parallel light or concentrating light by providing the Fresnel lens on the cover glass. Therefore, issues of low light transmittance in the blind hole provided under the cover glass is improved.
    Type: Grant
    Filed: January 8, 2019
    Date of Patent: November 24, 2020
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventors: Wenqiang Yu, Chao Wang
  • Patent number: 10847119
    Abstract: A display device includes: a display panel for outputting image light, a light guide portion for guiding the image light by reflecting the image light at least one time, a semi-transmissive portion for: reflecting the image light, guided by the light guide portion, toward the outside of the light guide portion, and at the same time: transmitting a first portion of external light entering the light guide portion, and reflecting a second portion of the external light, and a reflective portion for reflecting the second portion of the external light, reflected by the semi-transmissive portion, toward the display panel, wherein the display panel includes a light sensor for sensing the second portion of the external light reflected by the reflective portion, and wherein luminance of the image light of the display panel is changed in accordance with the amount of the external light sensed by the light sensor.
    Type: Grant
    Filed: September 4, 2019
    Date of Patent: November 24, 2020
    Assignee: LG Display Co., Ltd.
    Inventor: Pureum Kim
  • Patent number: 10839770
    Abstract: A method and system for temporally adjusting an application window drop shadow on a display. In that regard, the rendered visual aspects of the drop shadow with respect to the application window are based on the passage of time. In one implementation, a method is provided. The method includes determining, by a processing device, a local time of day. In response to determining the local time of day, a drop shadow is caused to be displayed in a visual association to an application window. This drop shadow is adjacent to at least one edge of the application window, and is positioned with respect to the at least one edge at an angle indicative of the local time of day.
    Type: Grant
    Filed: September 17, 2018
    Date of Patent: November 17, 2020
    Assignee: Red Hat, Inc.
    Inventor: Ray Strode
  • Patent number: 10838556
    Abstract: Systems and methods for detection of incident light are described. An optical imaging sensor is positioned at least partially within an active display area of a display and is configured to detect and characterize one or more properties of light incident to the active display area of the display.
    Type: Grant
    Filed: April 5, 2019
    Date of Patent: November 17, 2020
    Assignee: Apple Inc.
    Inventors: Mohammad Yeke Yazdandoost, Lun Tsai, Meng-Huan Ho, Niva A. Ran, Akshay Bhat, Volodymyr Borshch, Anand K. Chamakura, Giovanni Gozzini
  • Patent number: 10831291
    Abstract: Provided is a novel display panel that is highly convenient or reliable, a novel data processor that is highly convenient or reliable, or a method for manufacturing a novel display panel that is highly convenient or reliable. The display panel includes a pixel and a terminal electrically connected to the pixel. The pixel includes a first insulating film, a first contact portion in a first opening provided in the first insulating film, a pixel circuit electrically connected to the first contact portion, a second contact portion electrically connected to the pixel circuit, a first display element electrically connected to the first contact portion, and a second display element electrically connected to the second contact portion. The first insulating film includes a region lying between the first display element and the second display element. The terminal includes a surface at which contact with other component can be made.
    Type: Grant
    Filed: October 11, 2016
    Date of Patent: November 10, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Koji Kusunoki, Yoshiharu Hirakata
  • Patent number: 10834330
    Abstract: A video processor includes a receiving section that receives video information representing video images and luminance-related information on the luminance of the video images and a video processing section that determines an expansion target luminance range of the video images based on the luminance-related information and expands the expansion target luminance range in such a way that the maximum luminance in the expansion target luminance range increases.
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: November 10, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventors: Miki Nagano, Yoshihito Hayashi, Sachio Tsuboi, Isao Kobayashi
  • Patent number: 10824931
    Abstract: A smartcard (SC) having at least a contactless interface, such as having a dual interface transponder chip module (TCM) with a chip (IC), a module antenna (MA) for the contactless interface, and contact pads (CP) for a contact interface. Metal layers (ML) may have openings (MO) for receiving the module, and slits (S) or nonconductive stripes (NCS) extending to the openings, thereby forming coupling frames (CF). A card body (CB) for the smartcard may comprise two such metal layers (front and rear coupling frames) separated by a layer of non-conductive (dielectric) material. A front face card layer and a rear face card layer may complete a multiple coupling frame stack-up for a smartcard.
    Type: Grant
    Filed: January 13, 2019
    Date of Patent: November 3, 2020
    Assignee: Féinics AmaTech Teoranta
    Inventors: David Finn, Mustafa Lotya, Darren Molloy
  • Patent number: 10818224
    Abstract: An apparatus configured to determine ambient light luminance includes: m luminance sensors, m groups of inverse controllers and a processor, wherein the inverse controllers are configured to control luminance of first pixels in n rows of pixels in a display screen, the n rows of pixels including m groups of target pixel rows, each group of the target pixel rows including the first pixels, the first pixel in an ith group of target pixels rows being a pixel located above an ith luminance sensor; the first pixels in the ith group of target pixel rows are correspondingly coupled to an ith group of inverse controllers, and the processor is coupled to the m groups of inverse controller and the m luminance sensors, wherein m is less than or equal to n, and i is a positive integer.
    Type: Grant
    Filed: April 19, 2019
    Date of Patent: October 27, 2020
    Assignee: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
    Inventor: Yuan Zhang
  • Patent number: 10809801
    Abstract: An apparatus includes an interface and a processor. The interface may be configured to communicate video data to a display. The processor may be configured to receive video frames from a capture device, generate video data for the display in response to the video frames, determine eye position information of a driver and adjust video parameters of the video data in response to the eye position information. The eye position information may be used to determine a central field a view of the driver and a peripheral field of view of the driver. The video parameters for the video data presented by the display are adjusted based on whether the display is located in the peripheral field of view or the central field of view.
    Type: Grant
    Filed: May 16, 2019
    Date of Patent: October 20, 2020
    Assignee: Ambarella International LP
    Inventor: Ching-Yu Weng
  • Patent number: 10810942
    Abstract: An organic light emitting display device includes a display panel, a display panel driver, and a power supply. The display panel includes pixels. Each of the pixels includes an organic light emitting diode configured to emit light in an emission period based on a first power supply voltage and a second power supply voltage. The display panel driver is configured to apply a scan signal, an emission control signal, and a data signal to the pixels. The power supply is configured to: generate the first power supply voltage, the second power supply voltage, and a third power supply voltage applied to the pixels in a non-emission period; and adjust a voltage level of the second power supply voltage and a voltage level of the third power supply voltage based on an ambient temperature and a brightness of the display panel.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: October 20, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Si Beak Pyo, Choon Yul Oh
  • Patent number: 10803778
    Abstract: Systems and methods are disclosed herein for monitoring light emissions in electronic devices. The disclosed techniques herein provide for determining a display duration of display devices for a user. Light emission profiles for each of the display devices are determined. A cumulative emissions exposure is determined that is based on the light emission profiles for the display devices and the display duration of the display devices for the user. A determination is made whether the cumulative emissions exposure exceeds a light emission exposure limit set for the user. In a positive determination, an instruction is transmitted to the display devices for execution of a remedial action based on predefined rules.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: October 13, 2020
    Assignee: Rovi Guides, Inc.
    Inventors: Siddhartha Pande, Madhusudhan Srinivasan
  • Patent number: 10802606
    Abstract: The present disclosure provides a method and a device for aligning a coordinate of a controller or a headset with a coordinate of a binocular system. The method includes: obtaining pose data of the controller; acquiring real-time coordinate data in a binocular coordinate system during a repeating movement of the controller based on a light spot emitted from the controller; generating a motion track of the controller during the movement based on the real-time coordinate data and the pose data; obtaining a pose of the controller in controller coordinate system based on the motion track; obtaining a first angle between the positive direction of the controller coordinate system and a positive direction of the binocular coordinate system; and correcting the binocular coordinate system based on the first angle until the angle reaches zero. The method and device for aligning coordinates is easy to be implemented with low cost.
    Type: Grant
    Filed: December 29, 2018
    Date of Patent: October 13, 2020
    Assignee: GUANGDONG VIRTUAL REALITY TECHNOLOGY CO., LTD.
    Inventors: Sibin Huang, Jingwen Dai, Jie He
  • Patent number: 10796622
    Abstract: A voltage-programmed display system allows measurement of effects on pixels in a panel that includes both active pixels and reference pixels coupled to a supply line and a programming line. The reference pixels are controlled so that they are not subject to substantial changes due to aging and operating conditions over time. A readout circuit is coupled to the active pixels and the reference pixels for reading at least one of current, voltage or charge from the pixels when they are supplied with known input signals. The readout circuit is subject to changes due to aging and operating conditions over time, but the readout values from the reference pixels are used to adjust the readout values from the active pixels to compensate for the unwanted effects.
    Type: Grant
    Filed: May 1, 2019
    Date of Patent: October 6, 2020
    Assignee: Ignis Innovation Inc.
    Inventors: Gholamreza Chaji, Nino Zahirovic
  • Patent number: 10788862
    Abstract: A flexible display device and an unfolding detection method. The flexible display device comprises a flexible display screen, an accommodating housing, and a first light emitting element and a first light sensing element which are disposed opposite to each other. The flexible display screen comprises a plurality of first basic units arranged along an unfolding direction of the flexible display screen. The method comprises: the first light sensing element receives light emitted by the first light emitting element and generates a first light sensing parameter; a processor receives the first light sensing parameter; the processor determines a first unfolding length corresponding to the first light sensing parameter according to a relationship table of light sensing parameters and unfolding lengths; and the processor determines the first unfolding length to be an unfolding length of the flexible display screen extending out from the accommodating housing.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: September 29, 2020
    Assignee: SHENZHEN ROYOLE TECHNOLOGIES CO., LTD.
    Inventors: Xinyuan Xia, Jinhui Yang
  • Patent number: 10785354
    Abstract: The embodiments of the disclosure provide a display assembly and a mobile terminal, relate to a technical field of mobile terminal. The display assembly may include a display screen and a positioning member. The display screen may include a bottom face and a display face. The display screen defines a light transmitting hole in the display screen and at least penetrating through the bottom face. The positioning member is positioned on the bottom face and located at a periphery of the light transmitting hole. The positioning member is configured to limit a movement of a functional device received in the light transmitting hole in a direction parallel to the bottom face.
    Type: Grant
    Filed: March 22, 2019
    Date of Patent: September 22, 2020
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNCATIONS CORP., LTD
    Inventor: Jiao Cheng
  • Patent number: 10771753
    Abstract: A content presentation method, a content presentation mode push method, and an intelligent terminal are used to intelligently present content to a user in different presentation modes according to different identified scenarios. The method includes acquiring, by an intelligent terminal, context data of a user, identifying a user use scenario according to the context data, determining a first presentation mode corresponding to the user use scenario, and presenting content to the user in the first presentation mode. In this way, the intelligent terminal can intelligently present the content to the user in different presentation modes according to different scenarios, thereby meeting a requirement of the user for a content presentation mode in different environments.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: September 8, 2020
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Li Qian, Shanfu Li, Jiali Fu, Kangmin Huang
  • Patent number: 10756534
    Abstract: An input/output module includes a control unit and a monitoring unit. The monitoring unit includes a series-connection body including three or more resistors, a comparator, a connection path, and a switch. One of inverting and non-inverting input terminals of the comparator serves as a monitoring terminal, and the other serves as a threshold terminal. Input voltage of the threshold terminal when the switch is turned off is set to a high-voltage-side threshold, and the input voltage when the switch is turned on is set to a low-voltage-side threshold. The control unit makes a diagnosis that an abnormality in which the power supply voltage falls outside of an operable voltage range or an abnormality in the monitoring unit has occurred, when logic of an output signal of the comparator is determined to be unchanged over a determination time that is a longer amount of time than a predetermined amount of time.
    Type: Grant
    Filed: March 27, 2018
    Date of Patent: August 25, 2020
    Assignee: DENSO WAVE INCORPORATED
    Inventor: Takaaki Maekawa
  • Patent number: 10700047
    Abstract: Disclosed are a display apparatus, where a component disposition area facing a component disposed on a lower end of a non-display area of a panel is removed in a lower substrate configuring the panel, and a method of manufacturing the same.
    Type: Grant
    Filed: September 28, 2015
    Date of Patent: June 30, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Ju Ik Hong, Jeong Kweon Park, Sang Ryeon Park, Yong Soo Kim, Jang Cheol Kim, Ik Hyun Kuon
  • Patent number: 10698253
    Abstract: There is provision of a front panel for a display device including a display region and a non-display region adjacent to the display region. The front panel for the display device includes a transparent plate, a decorative layer formed on an area of a back surface of the transparent plate corresponding to the non-display region except for an area of an optical path of infrared light, and a first polarizing plate polarizing visible light provided at a front surface side or a back surface side of the transparent plate, which is disposed at a region including the optical path of infrared light.
    Type: Grant
    Filed: September 26, 2018
    Date of Patent: June 30, 2020
    Assignee: ALPINE ELECTRONICS, INC.
    Inventor: Takashi Yasumoto
  • Patent number: 10698529
    Abstract: Embodiments herein provide a dual optical and capacitance sensor. During a first time period, the dual sensor uses optical sensing to capture a fingerprint (e.g., to identify or verify the fingerprint). During a second time period, the dual sensor uses one or more capacitive sensor electrodes to perform capacitive sensing. The capacitive sensing may be absolute capacitive sensing or transcapacitive sensing.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: June 30, 2020
    Assignee: FINGERPRINT CARDS AB
    Inventor: Guozhong Shen
  • Patent number: 10699672
    Abstract: The invention has an object to provide a display device that enables a user to obtain information from a projection image without losing information obtained from the surrounding environment. The display device is to be mounted on a head of the user for allowing the user to view a predetermined image, and includes a light quantity detector (17) to detect a quantity of external light; a laser (211R, 211G, 211B) to emit a laser light having a light quantity depending on a current value; a light attenuator (22) including filters to switch an attenuation ratio so as to attenuate the laser light; an optical scanner (15) to scan the laser light transmitted through the filter; an optical projection system (16) to project the scanned laser light to form an image; and a controller (27) to control brightness of the image by increasing or decreasing the current value and by switching the attenuation ratio of the filter, based on the light quantity of the external light detected by the light quantity detector.
    Type: Grant
    Filed: April 4, 2017
    Date of Patent: June 30, 2020
    Assignee: MITSUMI ELECTRIC CO., LTD.
    Inventor: Yuji Kimura
  • Patent number: 10699646
    Abstract: A data driver and an organic light-emitting display device using the same. The data driver includes a first amplifier, a sample/hold circuit, a first switch circuit, and a second switch circuit. The first switch circuit selectively connects a driving initialization voltage and a sensing initialization voltage to a first data line and a second data line. The second switch circuit selectively connects the first amplifier to the first data line and the second data line and selectively connecting the sample/hold circuit to the first data line and the second data line.
    Type: Grant
    Filed: December 7, 2018
    Date of Patent: June 30, 2020
    Assignee: LG Display Co., Ltd.
    Inventor: Jihun Kim
  • Patent number: 10682897
    Abstract: Systems and methods to control a prime mover of a transport refrigeration system are disclosed. A controller may be configured to receive input from various information sources including a global satellite positioning system and/or a human machine interface. The controller can be configured to select a prime mover operation mode based on the input received. In some embodiment, the controller can select a noise reduction operation mode when the TRU is located in a noise regulated area, and can select a fuel efficient mode when the TRU is located outside of the noise regulated areas. In some embodiments, the noise reduction operation mode may include increasing a speed of the prime mover in a soft sloped ramp. In some embodiments, the operation modes can include prime mover operation instructions containing parameters of fuel injection of the prime mover. The operation instructions can be sent to an ECU to execute.
    Type: Grant
    Filed: November 27, 2013
    Date of Patent: June 16, 2020
    Assignee: Thermo King Corporation
    Inventors: Erich Albert Lucht, Art Ambaruch
  • Patent number: 10685603
    Abstract: An all-around display device according to embodiments includes a display panel including first to J-th display areas having pixels and respectively corresponding to surfaces, a gate driver for providing a gate signal to the display panel through first to N-th gate lines, and for providing an initialization signal to the display panel through first to N-th initialization lines, an emission driver for providing an emission control signal to the display panel through first to N-th emission control lines, a display area control driver for providing first to J-th global control signals respectively corresponding to the first to J-th display areas to selectively determine light emission of each of the first to J-th display areas, and a data driver for providing a data voltage to the display panel through data lines, wherein J is an integer that is greater than 1, and N is an integer that is greater than J.
    Type: Grant
    Filed: June 7, 2018
    Date of Patent: June 16, 2020
    Assignee: Samsung Display Co., Ltd.
    Inventors: Heesoon Jeong, Hae-Kwan Seo
  • Patent number: 10665646
    Abstract: A splicing screen is provided, and includes a flexible screen, an LED screen and a flexible circuit board. The flexible screen has an opening running through the flexible screen, and the LED screen is arranged in the opening. A signal line in the LED screen is bonded to the flexible circuit board, and a signal line in the flexible circuit board is bonded to the flexible screen. The present disclosure further provides a display device and a mobile terminal.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: May 26, 2020
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Le Yang, Haiping Zhang
  • Patent number: 10656445
    Abstract: A display device includes a transparent cover, a photovoltaic conversion layer, a display module, and a planarization layer. The transparent cover has a visible region and an edge region that surrounds the visible region. The photovoltaic conversion layer is located on the edge region of the transparent cover. A stage difference is formed by the photovoltaic conversion layer and the visible region of the transparent cover. The display module is electrically connected to the photovoltaic conversion layer. The planarization layer is located between the display module and the photovoltaic conversion layer, and is located between the display module and the visible region of the transparent cover. The thickness of the planarization layer is greater than the stage difference.
    Type: Grant
    Filed: May 17, 2017
    Date of Patent: May 19, 2020
    Assignee: E Ink Holdings Inc.
    Inventors: Chia-I Liu, Cheng-Hang Hsu, Hsin-Tao Huang
  • Patent number: 10658809
    Abstract: An optical power monitoring device that monitors power of input light reflected back into an optical fiber among output light output from the optical fiber, the optical power monitoring device includes: a photodetector disposed by the optical fiber that detects Rayleigh scattered light generated by the input light and the output light that are guided by the optical fiber; and a calculator that performs a calculation to exclude a component that corresponds to an output of the output light detected by the photodetector using first information that indicates a relationship between an output of the output light obtained in advance under a condition where the output light is not reflected and the output of the output light detected by the photodetector.
    Type: Grant
    Filed: February 22, 2017
    Date of Patent: May 19, 2020
    Assignee: Fujikura Ltd.
    Inventor: Yoshitaka Yokoyama
  • Patent number: 10660182
    Abstract: To provide a display system such as a smartphone, a game console, a personal computer, or a liquid crystal television, including a light-emitting element that irradiates light having a specific wavelength toward a user. The above-described problem is solved by a display system (1) including a first light-emitting element (6) that emits light used for image display, a second light-emitting element (3) that irradiates light (7) within a wavelength range of 360 nm to 400 nm, inclusive, toward a user, and a control unit (10) that controls irradiation of the light (7) from the second light-emitting element (3).At this time, the second light-emitting element (3) may be a single light-emitting element integrated with the first light-emitting element (6) or a light-emitting element provided separately from the first light-emitting element (6).
    Type: Grant
    Filed: December 26, 2017
    Date of Patent: May 19, 2020
    Assignee: TSUBOTA LABORATORY, INC.
    Inventor: Kazuo Tsubota
  • Patent number: 10636359
    Abstract: A mobile electronic device includes a display having an active array and a reference array. The active array includes a pixel and the reference array includes a reference pixel. The mobile electronic device also includes processing circuitry communicatively coupled to the display. The processing circuitry drives the pixel based at least in part on a degraded current-voltage relationship of the pixel, a reference current-voltage relationship of the reference pixel, and an aged current-voltage relationship.
    Type: Grant
    Filed: September 14, 2018
    Date of Patent: April 28, 2020
    Assignee: Apple Inc.
    Inventors: Sheng Zhang, Yunhui Hou, Chaohao Wang
  • Patent number: 10635235
    Abstract: The present disclosure provides a photoelectric sensor and driving method thereof, as well as an array substrate and a display device. The photoelectric sensor comprises a photoelectric element having an output terminal and a reference level input terminal, an amplifying transistor, a readout transistor, a reset transistor, a capacitor and a plurality of control input terminals. The output terminal of the photoelectric element, the gate of the amplifying transistor and the source of the reset transistor are connected to a first terminal of the capacitor. The reference level input terminal, the sources of the readout transistor and amplifying transistor are connected to a first reference voltage input terminal. The drains of the reset transistor and amplifying transistor are connected to a second reference voltage input terminal. The gates of the read-out transistor and reset transistor are respectively connected to a control input terminal.
    Type: Grant
    Filed: February 14, 2016
    Date of Patent: April 28, 2020
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Chunwei Wu
  • Patent number: 10636200
    Abstract: An electronic device, method for displaying an augmented reality scene and non-transitory computer-readable medium are provided in this disclosure. The electronic device includes a camera unit, a displayer, and a processor. The processor electrically connected to the camera unit and the displayer. The camera unit is configured for capturing a plurality of images of the physical environment. The displayer is configured for displaying an AR image. The processor is configured for stitching the plurality of images to generate an environment image; calculating an environment light and a reflection of the physical environment corresponding to the virtual object according to the environment image; analyzing direction of a lighting to calculate a shadow corresponding to the virtual object according to the environment image; and rendering the virtual object on the AR image according to the environment light, the reflection, and the shadow.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: April 28, 2020
    Assignee: HTC Corporation
    Inventors: Yu-Ting Wu, Ching-Yang Chen
  • Patent number: 10628998
    Abstract: A system and method is provided for accurately reconstructing a three-dimensional object using depth maps. An exemplary method includes detecting different positions of an object in a multiple image frames and generating depth maps for the object from the images frames based on the detected different positions of the object. Moreover, the method includes fusing the generated depth maps to generate a three-dimensional model of the object, calculating a variance of points of the fused depth maps for the object, and obtaining respective variances of points of a statistical value prior that correspond to the points of the fused depth maps. Finally, the method calculates a quality fitting result of the generated three-dimensional model of the object based on the calculated variance of the points of the fused depth maps and the respective variances of the corresponding points of the statistical value prior.
    Type: Grant
    Filed: December 22, 2017
    Date of Patent: April 21, 2020
    Assignee: OneVisage SA
    Inventors: Clemens Blumer, Christophe Remillet
  • Patent number: 10629113
    Abstract: A display device that is driven with low power and a method for operating the display device are provided. The display device includes a host; a controller to which a first signal is supplied from the host; and a display panel to which a second signal is supplied from the controller. When the first signal includes image data, the first signal includes a command indicating the presence of the image data. When the controller detects the command, the controller supplies the image data as the second signal. When the controller does not detect the command, the controller stops supplying the second signal. After the controller stops supplying the second signal for a predetermined time, the controller resumes supplying the second signal regardless of whether or not the first signal includes the command.
    Type: Grant
    Filed: May 11, 2017
    Date of Patent: April 21, 2020
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Takayuki Ikeda, Yoshiyuki Kurokawa
  • Patent number: 10627932
    Abstract: Disclosed is a display device having a transparent conductive layer that includes a plurality of nanowires, wherein each nanowire may, for example, include a core that includes a metal; a first shell on the core; and a second shell on the first shell, wherein cores of at least two of the plurality of nanowires are in contact with each other through the first shell and the second shell.
    Type: Grant
    Filed: June 29, 2015
    Date of Patent: April 21, 2020
    Assignee: LG DISPLAY CO., LTD.
    Inventors: Jaehyun Park, JinWuk Kim, Wy-Yong Kim, HyeLi Min, MinJee Kim, Youngsub Shin, Keunsoo Jeong
  • Patent number: 10620664
    Abstract: A foldable display panel, a display device, an image compensation method and an image compensation device are provided. The foldable display panel includes a first display panel and a second display panel which are foldable toward each other along a joining edge, and each of sub-pixels on the two display panels has an optical information detecting function. In a case that the first display panel and the second display panel are in a folded state, each of the sub-pixels on one display panel is used for detecting optical information of a corresponding sub-pixel on the other display panel, to perform optical compensation on the sub-pixel. Since optical information detection and image compensation are performed in a case that the foldable display panel is in the folded state, the use of the foldable display panel is not affected.
    Type: Grant
    Filed: December 19, 2018
    Date of Patent: April 14, 2020
    Assignee: SHANGHAI TIANMA AM-OLED CO., LTD.
    Inventors: Yang Yang, Bojia Lv, Xiangzi Kong
  • Patent number: 10622504
    Abstract: A photodetector circuit includes: a photodetector transistor; a current output transistor; a switching transistor; and a first capacitor. The source of the photodetector transistor, the gate of the current output transistor, and the first terminal of the first capacitor are connected to one another. The source of the current output transistor, the drain of the switching transistor, and the second terminal of the first capacitor are connected to one another. The photodetector transistor has a drain connected to a reference potential line, and upon receiving light when the photodetector transistor is in an off state, the source of the photodetector transistor collects electric charges generated by an internal photoelectric effect. The current output transistor has a drain connected to a power line which can have a first power supply potential and a second power supply potential. The switching transistor has a source connected to a photodetection line.
    Type: Grant
    Filed: January 11, 2018
    Date of Patent: April 14, 2020
    Assignee: JOLED INC.
    Inventor: Tetsuro Yamamoto
  • Patent number: 10620462
    Abstract: An LCD is described. The LCD includes an LCD panel and a backlight. The LCD panel includes a plurality of LCD elements arranged in an array, each element configured to change its light transmission based on a voltage applied to the LCD element. The backlight is configured to provide light to the LCD elements of the LCD panel. The backlight includes one or more visible light elements providing visible light to the LCD panel, and includes one or more non-visible light elements, different from the visible light elements, providing non-visible light to the LCD panel at a wavelength such that the non-visible light increases the photoconductivity of the LCD elements.
    Type: Grant
    Filed: April 4, 2018
    Date of Patent: April 14, 2020
    Assignee: Rockwell Collins, Inc.
    Inventors: Timothy R. Fannin, Russ D. Uthe, Eric N. Anderson