Patents by Inventor Yu Jen Chen

Yu Jen Chen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 10971089
    Abstract: A driving method of a display panel, comprising: dividing pixels on the display panel into pairs of pixel sets, wherein each pair of pixel sets comprises a first pixel set and a second pixel set; acquiring a first voltage signal and a second voltage signal according to a frame input signal look-up-table, wherein a front viewing-angle mixed brightness of the subpixel driven by the first and second voltage signals alternately is equivalent to a front viewing-angle brightness of the subpixel driven by a frame input signal; driving first subpixels of the first and second pixel sets by first and second voltage signals of the first subpixel of the first pixel set, respectively; and driving second subpixels of the first and second pixel sets by second and first voltage signals of the second subpixel of the second pixel set, respectively.
    Type: Grant
    Filed: August 31, 2017
    Date of Patent: April 6, 2021
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Yu-Jen Chen
  • Patent number: 10971105
    Abstract: A pixel driving circuit comprises a pixel array, data lines and scan lines. The pixel array includes a plurality of pixel units having four sub-pixels with different colors. All of the sub-pixels are arranged in a dot inversion arrangement, and positive and negative polarities of the sub-pixels are alternately arranged. The data lines and the scan lines are orthogonally disposed to define a pixel array. Two of the scan lines are provided for each column of pixel units, and two of the data lines are provided for each row of pixel units. Each data line is connected to two closest sub-pixels with the same polarity when passing through one column of pixel units, and all the sub-pixels connected to the same data line in the row direction have the same polarity. The sub-pixels connected to the adjacent data lines have reverse polarities.
    Type: Grant
    Filed: July 4, 2017
    Date of Patent: April 6, 2021
    Assignees: HKC Corporation Limited, Chongqing HKC Optoelectronics Technology Co., Ltd.
    Inventor: Yu-Jen Chen
  • Patent number: 10971704
    Abstract: A display panel includes a substrate, active switches, and an active layer. The active switches are disposed on the substrate, and the active layer is disposed on the active switches. A light-obstructing layer is disposed between the substrate and the active layer. The light-obstructing layer is provided with a light-permeable region, and orthogonal projection areas of the light-permeable region and the active layer on the substrate correspond to each other. The light-permeable region defines pixels of the display panel.
    Type: Grant
    Filed: August 10, 2017
    Date of Patent: April 6, 2021
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Yu-Jen Chen
  • Patent number: 10971092
    Abstract: A driving method and a driving device of a display panel are provided. The driving method includes: controlling a timing controller to output a start signal to a level shifter; configuring a parameter of a register of the level shifter; and controlling the level shifter to generate a drive signal according to the parameter upon receiving the start signal, and outputting the drive signal to a first drive circuit.
    Type: Grant
    Filed: September 20, 2017
    Date of Patent: April 6, 2021
    Assignees: HKC Corporation Limited, Chongqing HKC Optoelectronics Technology Co., Ltd.
    Inventor: Yu-Jen Chen
  • Publication number: 20210091036
    Abstract: Semiconductor device packages may include a first semiconductor device over a substrate and a second semiconductor device over the first semiconductor device. An active surface of the second semiconductor device may face away from the substrate. Electrical interconnections may extend from bond pads of the second semiconductor device, along surfaces of the second semiconductor device, first semiconductor device, and substrate to pads of routing members of the substrate. The electrical interconnections may include conductors in contact with the bond pads and the routing members and a dielectric material interposed between the conductors and the first semiconductor device, the second semiconductor device and the substrate between the bond pads and the pad of the routing members. An encapsulant distinct from the dielectric material may cover the electrical interconnections, the first semiconductor device, the second semiconductor device, and an upper surface of the substrate.
    Type: Application
    Filed: September 23, 2019
    Publication date: March 25, 2021
    Inventors: Po Chih Yang, Yu Jen Chen, Po Chen Kuo, Shih Wei Liang
  • Patent number: 10943523
    Abstract: A driving method of display panel includes: dividing pixels with same one color on the display panel into sets of pixel pairs, each set including a first subpixel and a second subpixel; displaying each frame using two frame images in order; obtaining a first voltage signal and a second voltage signal, a positive-viewing-angle mixed brightness of the subpixel being equivalent to a positive-viewing-angle brightness of the subpixel; driving the first subpixel of the first frame image by the first voltage signal of the first or second subpixel, and driving the second subpixel by the second voltage signal of the first or second subpixel; and driving the first subpixel of the second frame image by the second voltage signal of the first or second subpixel, and driving the second subpixel of the second frame image by the first voltage signal of the first or second subpixel.
    Type: Grant
    Filed: July 4, 2017
    Date of Patent: March 9, 2021
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Yu-Jen Chen
  • Patent number: 10937377
    Abstract: Disclosed are driving method and device for driving an LCD apparatus, as well as an LCD apparatus. The driving method includes: receiving an image to be displayed, obtaining a first pixel signal and positional information of each pixel, and looking up the first pixel signal to retrieve a first voltage panel driving signal of the pixel; determining whether each pixel is a first- or second-position liquid crystal pixel; when the pixel is a first-position pixel, computing a second pixel signal based on the first pixel signal and first voltage panel driving signal of the first-position pixel; otherwise when the pixel is a second-position pixel, computing a first luminance signal based on the first voltage panel driving signals of the second-position pixel and of the first-position pixels adjacent to the second-position pixel; and driving the pixels using the second pixel signal and the first luminance signal, respectively.
    Type: Grant
    Filed: October 27, 2017
    Date of Patent: March 2, 2021
    Assignees: HKC Corporation Limited, Chongqing HKC Optoelectronics Technology Co., Ltd.
    Inventor: Yu-Jen Chen
  • Patent number: 10937384
    Abstract: An electrostatic discharge circuit and a display panel are provided. The electrostatic discharge circuit comprises a first discharge unit, a second discharge unit and a third discharge unit. The first discharge unit comprises a first transistor and a second transistor, and a source of the first transistor is connected to a high level terminal. The gate and drain of the first transistor and the gate and drain of the second transistor are connected to an electrostatic input terminal. A source of the second transistor is connected to a low level terminal. An input terminal of the second discharge unit is connected to the electrostatic input terminal, an output terminal of the second discharge unit is connected to a common terminal. An input terminal of the third discharge unit is connected to the electrostatic input terminal, an output terminal of the third discharge unit is connected to the common terminal.
    Type: Grant
    Filed: December 13, 2017
    Date of Patent: March 2, 2021
    Assignees: HKC Corporation Limited, Chongqing HKC Optoelectronics Technology Co., Ltd.
    Inventor: Yu-Jen Chen
  • Patent number: 10929991
    Abstract: Disclosed herein are a method and a system for creating a registered image that integrates the information of CT and CBCT images. With the present method and system, medical practitioners can precisely transform the information of CT image-based treatment plan into the CBCT image so as to accurately control the dosage and location of a radiation therapy. Accordingly, also disclosed herein are methods of treating a cancer in the subject with the aid of the method and/or system of the present disclosure.
    Type: Grant
    Filed: July 20, 2019
    Date of Patent: February 23, 2021
    Assignee: MACKAY MEMORIAL HOSPITAL
    Inventors: Yu-Jen Chen, Kai-Lung Hua, Hung-Chi Tai
  • Patent number: 10930229
    Abstract: A liquid crystal display device includes a liquid crystal panel including a plurality of liquid crystal pixels, wherein the liquid crystal panel is configured to display a same picture in two adjacent frames; a driving module disposed on the non-display area, wherein the driving module is used to respectively provide each liquid crystal pixel with a same polarity pixel voltage of different levels in the two adjacent frames so as to deflect liquid crystal molecules of each liquid crystal pixel, and in each frame of the two adjacent frames, the level of the pixel voltage of each liquid crystal pixel is different from the level of the pixel voltage of the adjacent liquid crystal pixels in front, back, left or right.
    Type: Grant
    Filed: December 16, 2017
    Date of Patent: February 23, 2021
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Yu-Jen Chen
  • Patent number: 10930240
    Abstract: A display panel driving method, a driving device, and display device. The driving method includes steps of: performing a display, turning on first switch transistor and second switch transistor under control of first scanning line, and turning off third switch transistor under control of the second switch line, and inputting a data signal from data line to first pixel electrode and second pixel electrode through the first switch transistor and the second switch transistor and driving the pixel structure where the first pixel electrode and the second pixel electrode are located to display, and turning the third switch transistor under control of second scanning line and turning off the first switch transistor and the second switch transistor under control of the first scanning line to establish a preset voltage difference between the first pixel electrode and the second pixel electrode.
    Type: Grant
    Filed: September 1, 2017
    Date of Patent: February 23, 2021
    Assignees: HKC Corporation Limited, Chongqing HKC Optoelectronics Technology Co., Ltd.
    Inventor: Yu-Jen Chen
  • Patent number: 10923053
    Abstract: The present disclosure discloses a liquid crystal display device, which includes: a backlight component, including a light guide plate, a light source, a fluorescent film, a reflective sheet, a light compensating layer, and a light absorbing layer; a liquid crystal display panel in which the pixels are divided into a plurality of pixel groups; each pixel group includes an even number of pixels arranged into matrices; a control component including a computing unit and an acquiring unit; the computing unit is configured to receive an image input signal, and compute an average grayscale value of the blue sub-pixels in each pixel group, and obtain two sets of target grayscale value pairs; the acquiring unit is configured to obtain the corresponding two sets of driving voltage pairs; and, a driving component, configured to drive the blue sub-pixels in the corresponding pixel group.
    Type: Grant
    Filed: December 16, 2017
    Date of Patent: February 16, 2021
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS CO., LTD.
    Inventor: Yu-Jen Chen
  • Patent number: 10923052
    Abstract: A liquid crystal display device includes a liquid crystal panel including a plurality of liquid crystal pixels, wherein the liquid crystal panel is configured to display a same picture in two adjacent frames; a driving module disposed on the non-display area, wherein the driving module is used to respectively provide each liquid crystal pixel with a same polarity pixel voltage of different levels in the two adjacent frames so as to deflect liquid crystal molecules of each liquid crystal pixel, and in each frame of the two adjacent frames, the level of the pixel voltage of each liquid crystal pixel is different from the level of the pixel voltage of the adjacent liquid crystal pixels in front, back, left or right.
    Type: Grant
    Filed: December 16, 2017
    Date of Patent: February 16, 2021
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Yu-Jen Chen
  • Publication number: 20210035522
    Abstract: The present application discloses a display device and a reference voltage generation method. The display device includes a display area, a fan-out area, and a reference voltage generation circuit formed in the fan-out area.
    Type: Application
    Filed: December 12, 2017
    Publication date: February 4, 2021
    Inventor: Yu-jen CHEN
  • Publication number: 20210028201
    Abstract: A manufacturing method of a display panel comprises: providing a first substrate; forming active switches on the first substrate; providing a second substrate disposed opposite to the first substrate; forming a color filter layer on the first substrate or the second substrate; and forming at least one spacer unit on the first substrate or the second substrate. The spacer unit comprises a photosensitive spacer material comprising two different wavelengths of light initiators.
    Type: Application
    Filed: December 13, 2017
    Publication date: January 28, 2021
    Inventor: Yu-Jen CHEN
  • Patent number: 10903840
    Abstract: The present invention provides a circuit including an output buffer, a tracking circuit and a pre-driver, where the output buffer includes at least one P-type transistor and at least one N-type transistor, the at least one P-type transistor is coupled between a supply voltage and a pad, and the at least one N-type transistor is coupled between a ground voltage and the pad. In the operations of the circuit, the tracking circuit is configured to generate a tracking signal control signal according to a voltage level at the pad, and the pre-driver is configured to generate a control signal to control the at least one P-type transistor or the at least one N-type transistor according to the tracking signal.
    Type: Grant
    Filed: February 26, 2019
    Date of Patent: January 26, 2021
    Assignee: MEDIATEK INC.
    Inventor: Yu-Jen Chen
  • Patent number: 10901677
    Abstract: Embodiments of the disclosure provide a multi-screen display method and a display device including a curved surface display screen. The method is applied to the display device and includes the following steps. Position information of a preset folding line in the curved surface display screen is obtained when screen is bent according to the preset folding line, wherein the preset folding line is a boundary between the two adjacent sub-curved surface display screens formed thereby. A display interface of the screen is divided into a plurality of display sub-interfaces according to the position information, wherein a screen splitting line between two adjacent display sub-interfaces coincides with the preset folding line. The display contents selected by the user in the plurality of display sub-interfaces are obtained; and the selected display contents are displayed in the display sub-interfaces.
    Type: Grant
    Filed: December 16, 2017
    Date of Patent: January 26, 2021
    Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD.
    Inventor: Yu-Jen Chen
  • Publication number: 20200382300
    Abstract: A method of registration and access control of identity for third-party certification is provided. The method has steps of registration and steps of access control. The steps of registration have: controlling a user-end computer apparatus to retrieve an identity image of an identity document of a user; executing processes on the identity image for obtaining identity data; retrieving embedded identity data from the identity document; and configuring and registering the identity data if the data are matched with each other. The steps of access control have: controlling the user-end computer apparatus to verify user's identity upon reception of request of identity access, and generating and returning return identity data to a request-end computer apparatus.
    Type: Application
    Filed: June 2, 2020
    Publication date: December 3, 2020
    Inventors: Nai-ho Hsu, Chi-Kuang Lee, Yu-Jen Chen
  • Publication number: 20200382317
    Abstract: A method of verifying partial data based on collective certificate is provided. A provider-end computer apparatus receives a request of data, retrieves a data cluster, executes a fingerprint process on the unrequested part of the data cluster for obtaining an unrequested data fingerprint, and transfer the requested part of the data cluster and the unrequested data fingerprint to a request-end computer apparatus. The request-end computer apparatus retrieves a trusty collective data fingerprint, executes the fingerprint process on the requested part of the data cluster for obtaining a requested data fingerprint, merges the unrequested data fingerprint and the requested data fingerprint into a merged collective data fingerprint, and determines that the requested part is correct if the merged collective data is consistent with the trusty collective data fingerprint. The present disclosed example can effectively verify correctness of the requested part of data.
    Type: Application
    Filed: June 2, 2020
    Publication date: December 3, 2020
    Inventors: Nai-ho Hsu, Chi-Kuang Lee, Yu-Jen Chen
  • Publication number: 20200372870
    Abstract: A display device is disclosed. Plural sub-pixels of display panel are electrically connected to a gate line set of corresponding row. Each data line is electrically connected to two adjacent sub-pixels of same pixel. The first gate line of each gate line set is electrically connected to one of odd-numbered and even-numbered ones of sub-pixels of pixels of same row. The second gate line of each gate line set is electrically connected to the other one of the odd-numbered and even-numbered ones of sub-pixels of pixels of same row. In one frame time, the data signal drives the two adjacent sub-pixels of same pixel through the nth and (n+1)th data lines using opposite polarities, and the data signal drives the column-direction adjacent two sub-pixels through the nth and (n+1)th data lines using opposite polarities.
    Type: Application
    Filed: December 29, 2018
    Publication date: November 26, 2020
    Inventor: YU-JEN CHEN