Patents Examined by Patrick F Marinelli
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Patent number: 11961457Abstract: A display device, includes: a display panel including a pixel electrically coupled to a gate line and a data line; a gate driver configured to provide a gate signal to the gate line; and a data driver configured to provide a data signal to the data line, wherein the gate driver is configured to sequentially provide a first gate signal and a second gate signal to the gate line during a first frame period, wherein the data driver is configured to provide a first data signal to the data line in response to the first gate signal, and to provide a second data signal to the data line in response to the second gate signal, and wherein the second data signal is different from the first data signal and varies dependent on the first data signal.Type: GrantFiled: January 9, 2023Date of Patent: April 16, 2024Assignee: Samsung Display Co., Ltd.Inventors: Jae Hyun Koh, Sung Hoon Bang, Eui Myeong Cho, Ho Cheol Kang, Seok Young Yoon
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Patent number: 11956602Abstract: The invention relates to a signal level display (2) for an audio device (1), comprising a first lamp (7) of a first color and a second lamp (8) of a second color, and comprising a control device (10) for controlling the lamps (7), (8) on the basis of a signal level to be displayed, wherein the control device (10) is designed to display the signal level in at least three stages by means of the lamps (7), (8), wherein the control device (10) is designed to control at least one of the lamps (7), (8) in such a way that, in order to display the different stages of the signal level, the lamp (7), (8) is operated in at least two different intensities not equal to zero.Type: GrantFiled: May 25, 2020Date of Patent: April 9, 2024Assignee: Robert Bosch GmbHInventors: Peter Reislhuber, Franz Lermer
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Patent number: 11948514Abstract: A display device including: a display panel including a plurality of pixels; a data driver configured to provide data voltages to the plurality of pixels; and a controller configured to control the data driver, to detect a same data region of the display panel when first image data in a current frame period is the same as second image data in a previous frame period, and not to transfer the first image data to the data driver in the current frame period.Type: GrantFiled: July 12, 2022Date of Patent: April 2, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Hyunho Lim, Myeongbin Lim, Hyunha Yang
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Patent number: 11942055Abstract: A display system includes: a host processor configured to compensate at least one set of frame data based on at least one set of panel map data including a plurality of offset values corresponding to a plurality of pixels of a display panel, generate at least one set of compensated frame data, and output the compensated frame data; and a display driver integrated circuit configured to receive the compensated frame data from the host processor, and control the display panel such that at least one frame image corresponding to the compensated frame data is displayed on the display panel.Type: GrantFiled: November 19, 2021Date of Patent: March 26, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Deoksoo Park, Sungchul Yoon, Joohyuk Yum
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Patent number: 11935456Abstract: The present disclosure relates to a pixel circuit and pixel driving apparatus technology. In this technology, two LEDs are arranged in parallel and selectively used in a hybrid manner in which a PWM (pulse width modulation) scheme for supplying a ramp voltage as a gate voltage for a transistor arranged within a pixel and for turning off the LEDs at the moment when the gate voltage becomes equal to a threshold voltage and a PAM (pulse amplitude modulation) scheme for determining a starting value of the ramp voltage based on a grayscale value of the pixel are combined.Type: GrantFiled: December 19, 2022Date of Patent: March 19, 2024Assignee: LX SEMICON CO., LTD.Inventors: Won Youn Kim, Byung Gwan Jeon
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Patent number: 11934617Abstract: A touch sensor includes a touch structure; a signal generator configured to generate an excitation signal; a transmitter configured to receive the excitation signal and transmit an ultrasonic transmit wave towards the touch structure based on the excitation signal; a receiver configured to receive an ultrasonic reflected wave produced by a reflection of the ultrasonic transmit wave at the touch structure, wherein the transmitter and the receiver are coupled by a capacitive path, the receiver is configured to be influenced by the excitation signal whereby the excitation signal induces a capacitive cross-talk on the capacitive path, and the receiver is configured to generate a measurement signal representative of the capacitive cross-talk; and a measurement circuit coupled to the receiver and configured to perform a comparison of the measurement signal with a threshold to determine whether a no-touch event or a touch event has occurred at the touch interface.Type: GrantFiled: November 10, 2022Date of Patent: March 19, 2024Assignee: Infineon Technologies AGInventor: Emanuel Stoicescu
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Patent number: 11930361Abstract: A method of a wearable device displaying icons is provided. The method includes displaying a plurality of circular icons comprising a first circular icon located in a center area of a touch display in a first size and a second circular icon located outside of the center area of the touch display in a second size smaller than the first size, and based on a direction of a touch input received on the touch display, moving the plurality of circular icons such that the first circular icon is moved to a first position located outside of the center area of the touch display and the second circular icon is moved from a second position located outside the center area of the touch display to the center area of the touch display and enlarged in size from the second size to the first size.Type: GrantFiled: September 17, 2021Date of Patent: March 12, 2024Assignee: Samsung Electronics Co., Ltd.Inventors: Joon-kyu Seo, Young-joon Choi, Ji-yeon Kwak, Hyun-jin Kim, Yeo-jun Yoon
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Patent number: 11922844Abstract: An integrated driving device is provided. The integrated driving device includes a touch sensing circuit and an optical sensing circuit. The touch sensing circuit is configured to perform touch sensing in a plurality of touch sensing periods during a first frame period. The optical sensing circuit is configured to perform optical sensing during at least one optical sensing period during the first frame period to obtain optical sensing signals for generating first ambient light information. The touch sensing periods and the optical sensing period are non-overlapping. Correspondingly, an operation method of an integrated driving device is also provided.Type: GrantFiled: April 27, 2021Date of Patent: March 5, 2024Assignee: Novatek Microelectronics Corp.Inventors: Wei-Lun Shih, Wu-Wei Lin, Jiun-Jie Tsai, Huang-Chin Tang, Ching-Chun Lin
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Patent number: 11908372Abstract: The present disclosure allows reducing the variation of the luminance depending on the types of images and improving image quality by calculating a plurality of representative values, representing the luminance of pixels so that the types of images can be distinguished, calculating a weight using such representative values, and compensating image data according to the weight.Type: GrantFiled: March 18, 2022Date of Patent: February 20, 2024Assignee: SILICON WORKS CO., LTD.Inventors: Young Jun Jun, Hee Yeol Lee, Young Seo Yoon
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Patent number: 11893960Abstract: An information handling system touchpad includes an application area with a display to present control icons of an application executing on the information handling system, such as camera and microphone icons to control camera and microphone functions of a videoconference application. The touchpad dynamically adjusts touchpad display brightness and color based upon ambient light conditions detected by an ambient light sensor. Touchpad display brightness control is set independent of main display and keyboard backlight illumination brightness.Type: GrantFiled: August 31, 2022Date of Patent: February 6, 2024Assignee: Dell Products L.P.Inventors: Andelon Xuan Tra, Barry Paul Easter, Frank Quintanilla, Julia A. Ogbevoen, Daniel L. Hamlin
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Patent number: 11887556Abstract: A data driving circuit, a display module, and a display device are provided. The data driving circuit at least includes a selecting unit and a signal conversion unit. The selecting unit is configured to directly output an image signal received to the signal conversion unit, or invert the image signal and then transmit the image signal inverted to the signal conversion unit. The control signal represents a display mode of a pixel unit that receives the image signal and perform image display according to the image signal. The signal conversion unit is configured to convert the image signal into a grayscale voltage in an analog form. The grayscale voltage is transmitted to the pixel unit to perform image display.Type: GrantFiled: December 16, 2022Date of Patent: January 30, 2024Assignee: HKC CORPORATION LIMITEDInventors: Mancheng Zhou, Shuang Wang, Rongrong Li
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Patent number: 11887535Abstract: A pixel having a transistor which controls a current value supplied to a load, a first storage capacitor, a second storage capacitor, and first to fourth switches is included. After the threshold voltage of the transistor is held in the second storage capacitor, a potential in accordance with a video signal is input to the pixel. Voltage obtained by adding a potential in which the potential in accordance with the video signal and the first storage capacitor are capacitively divided to the threshold voltage is held in the second storage capacitor in this manner, so that variation of a current value caused by variations in the threshold voltage of the transistor is suppressed. Thus, desired current can be supplied to the load such as a light-emitting element. In addition, a display device with little deviation from luminance specified by the video signal can be provided.Type: GrantFiled: November 1, 2021Date of Patent: January 30, 2024Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Hajime Kimura, Tomoko Yamada
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Patent number: 11886651Abstract: Disclosed herein are liquid-crystal display (LCD) touch screens that integrate the touch sensing elements with the display circuitry. The integration may take a variety of forms. Touch sensing elements can be completely implemented within the LCD stackup but outside the not between the color filter plate and the array plate. Alternatively, some touch sensing elements can be between the color filter and array plates with other touch sensing elements not between the plates. In another alternative, all touch sensing elements can be between the color filter and array plates. The latter alternative can include both conventional and in-plane-switching (IPS) LCDs. In some forms, one or more display structures can also have a touch sensing function. Techniques for manufacturing and operating such displays, as well as various devices embodying such displays are also disclosed.Type: GrantFiled: November 8, 2021Date of Patent: January 30, 2024Assignee: Apple Inc.Inventors: Steve Porter Hotelling, Wei Chen, Christoph Horst Krah, John Greer Elias, Wei Hsin Yao, Andrew Bert Hodge, Brian Richards Land, Willem den Boer, John Z. Zhong
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Patent number: 11889309Abstract: A method of a wearable device displaying icons is provided. The method includes displaying a plurality of circular icons comprising a first circular icon located in a center area of a touch display in a first size and a second circular icon located outside of the center area of the touch display in a second size smaller than the first size, and based on a direction of a touch input received on the touch display, moving the plurality of circular icons such that the first circular icon is moved to a first position located outside of the center area of the touch display and the second circular icon is moved from a second position located outside the center area of the touch display to the center area of the touch display and enlarged in size from the second size to the first size.Type: GrantFiled: September 17, 2021Date of Patent: January 30, 2024Assignee: Samsung Electronics Co., Ltd.Inventors: Joon-kyu Seo, Young-joon Choi, Ji-yeon Kwak, Hyun-jin Kim, Yeo-jun Yoon
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Patent number: 11886699Abstract: The selective rejection of touch contacts in an edge region of a touch sensor panel is disclosed. In addition, by providing certain exceptions to the rejection of edge contacts, the functionality of the touch sensor panel can be maximized. Contacts in edge bands around the perimeter of a touch sensor panel can be ignored. However, if a contact in the edge band moves beyond a threshold distance or speed, it can be recognized as part of a gesture. To accommodate different finger sizes, the size of the edge band can be modified based on the identification of the finger or thumb. Furthermore, if contacts in the center region of a touch sensor panel track the movement of contacts in the edge band, the contacts in the edge band can be recognized as part of a gesture.Type: GrantFiled: August 17, 2022Date of Patent: January 30, 2024Assignee: Apple Inc.Inventor: Wayne Carl Westerman
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Patent number: 11881177Abstract: A display device that can be easily and more flexibly designed is provided. The display device includes a pixel circuit and a driver circuit in a display portion. The driver circuit includes a plurality of pulse output circuits. Each of the plurality of pulse output circuits has a function of driving a gate line. The pixel circuit is electrically connected to the gate line. Each of the plurality of pulse output circuits includes a first transistor. The pixel circuit includes a second transistor. A layer including the second transistor is over a layer including the first transistor, and the first transistor and the second transistor overlap with each other.Type: GrantFiled: August 25, 2021Date of Patent: January 23, 2024Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Hidetomo Kobayashi, Kouhei Toyotaka
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Patent number: 11881165Abstract: The present disclosure provides a display device. The display device includes a gain provider for gradually decreasing a gain value from a first time when a first period elapses from a time at which an enable signal is generated, and a plurality of pixels for receiving data voltages determined by the gain value and the input grayscale values. The gain provider determines a length of the first period according to a first load value based on the input grayscale values at the time at which the enable signal is generated.Type: GrantFiled: October 27, 2021Date of Patent: January 23, 2024Assignee: Samsung Display Co., Ltd.Inventors: Ki Hyun Pyun, Hee Sook Park
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Patent number: 11880519Abstract: A display module includes a display area and a non-display area disposed outside the display area on a plane. The display module includes a base layer, a circuit device layer, a display device layer, a thin film encapsulation layer, and a touch sensing layer. An inorganic layer of the touch sensing layer contacts an inorganic layer of the circuit device layer exposed by an organic layer of the circuit device layer. An inorganic layer of the thin film encapsulation layer is disposed between the inorganic layer of the touch sensing layer and the inorganic layer of the circuit device layer to block a moisture penetration path which causes delamination of the thin film encapsulation layer.Type: GrantFiled: June 1, 2021Date of Patent: January 23, 2024Assignee: Samsung Display Co., Ltd.Inventors: Yong-hwan Park, Miyoung Kim, Nayun Kwak
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Patent number: 11869432Abstract: Provided are a display panel and a driving method. The display panel includes a pixel driving circuit including a drive transistor, a data write module, a light emission control module, a threshold compensation module and a bias adjustment module. The control terminal of the drive transistor is connected to the first node. The first terminal of the drive transistor is connected to a third node. The second terminal of the drive transistor is connected to a second node. The light emission control module is connected in series with the drive transistor and connected in series with a light-emitting element. The threshold compensation module is connected in series between the control terminal of the drive transistor and the second terminal of the drive transistor. The first terminal of the bias adjustment module is connected to a bias signal terminal. The second terminal is connected to the second terminal of the drive transistor.Type: GrantFiled: July 6, 2022Date of Patent: January 9, 2024Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.Inventors: Jieliang Li, Gaojun Huang
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Patent number: 11869452Abstract: In an image processing device, for each of one or two or more picture elements among a plurality of picture elements, the one or two or more picture elements having an input grayscale value included in the input image data being equal to or less than a first predetermined value, the second panel data correction unit corrects the second aperture ratio of each of at least one pixel among the plurality of pixels, the at least one pixel facing the one or two or more picture elements, so that an actual transmittance gets closer to a theoretical transmittance, and the first panel data generation unit generates the first aperture ratio for each of the plurality of picture elements by dividing a normalized input grayscale value included in the input image data by a normalized luminance included in the panel luminance distribution data.Type: GrantFiled: January 10, 2023Date of Patent: January 9, 2024Assignee: Sharp Display Technology CorporationInventor: Naoko Goto