Patents by Inventor Cheng-Jen Chu

Cheng-Jen Chu 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).

  • Publication number: 20230305329
    Abstract: A display device is provided. The display device includes a display panel and a visible angle adjustment panel on the display panel. The visible angle adjustment panel includes two substrates, a liquid-crystal layer disposed between the two substrates and an adjustment layer disposed between the liquid-crystal layer and one of the two substrates. The liquid-crystal layer has a plurality of cell gaps, the thicknesses of the cell gaps are different from each other, and the thicknesses of the cell gaps gradually increase along a direction, and a height of the adjustment layer gradually decreases along the direction.
    Type: Application
    Filed: May 29, 2023
    Publication date: September 28, 2023
    Inventors: Hong-Sheng HSIEH, Hao-Yu CHEN, Cheng-Jen CHU, Jyun-Sian LI, Chu-Hong LAI
  • Patent number: 11703701
    Abstract: A display device is provided. The display device includes a display panel and a visible angle adjustment panel. The visible angle adjustment panel has a liquid-crystal layer. The liquid-crystal layer has a plurality of cell gaps, wherein the thicknesses of the cell gaps are different from each other, and the thicknesses of the cell gaps gradually increase along a direction.
    Type: Grant
    Filed: June 2, 2021
    Date of Patent: July 18, 2023
    Assignee: INNOLUX CORPORATION
    Inventors: Hong-Sheng Hsieh, Hao-Yu Chen, Cheng-Jen Chu, Jyun-Sian Li, Chu-Hong Lai
  • Patent number: 11561432
    Abstract: A display device including a backlight plate, a first panel, and a second panel is provided. The first panel is disposed on the backlight plate and includes a first liquid crystal layer and an upper substrate disposed on the first liquid crystal layer. The second panel is disposed on the first panel and includes a bottom substrate and a second liquid crystal layer disposed on the bottom substrate. The first panel includes a plurality of first pixels. The second panel includes a plurality of second pixels. A ratio relationship between the first panel and the second panel is 0.220 ? 9 × ( Y X ) 2 ? R 2 R 1 ? 0 . 7 ? 9 ? 2 ? 1 × ( Y X ) 2 wherein Y is a distance between the bottom surface of the upper substrate and the top surface of the bottom substrate, X is a pixel pitch between the second pixels, R1 is the number of first pixels, and R2 is the number of second pixels.
    Type: Grant
    Filed: October 15, 2021
    Date of Patent: January 24, 2023
    Assignee: INNOLUX CORPORATION
    Inventors: Ming-Chia Shih, Cheng-Jen Chu, Chung-Kuang Wei
  • Publication number: 20220035203
    Abstract: A display device including a backlight plate, a first panel, and a second panel is provided. The first panel is disposed on the backlight plate and includes a first liquid crystal layer and an upper substrate disposed on the first liquid crystal layer. The second panel is disposed on the first panel and includes a bottom substrate and a second liquid crystal layer disposed on the bottom substrate. The first panel includes a plurality of first pixels. The second panel includes a plurality of second pixels. A ratio relationship between the first panel and the second panel is 0.220 ? 9 × ( Y X ) 2 ? R 2 R 1 ? 0 . 7 ? 9 ? 2 ? 1 × ( Y X ) 2 wherein Y is a distance between the bottom surface of the upper substrate and the top surface of the bottom substrate, X is a pixel pitch between the second pixels, R1 is the number of first pixels, and R2 is the number of second pixels.
    Type: Application
    Filed: October 15, 2021
    Publication date: February 3, 2022
    Inventors: Ming-Chia SHIH, Cheng-Jen CHU, Chung-Kuang WEI
  • Publication number: 20220011608
    Abstract: A display device is provided. The display device includes a display panel and a visible angle adjustment panel. The visible angle adjustment panel has a liquid-crystal layer. The liquid-crystal layer has a plurality of cell gaps, wherein the thicknesses of the cell gaps are different from each other, and the thicknesses of the cell gaps gradually increase along a direction.
    Type: Application
    Filed: June 2, 2021
    Publication date: January 13, 2022
    Inventors: Hong-Sheng HSIEH, Hao-Yu CHEN, Cheng-Jen CHU, Jyun-Sian LI, Chu-Hong LAI
  • Patent number: 11181771
    Abstract: A display device including a backlight plate, a first panel and a second panel is provided. The backlight plate includes a plurality of light emission modules. The first panel is disposed on the backlight plate. The second panel is disposed on the first panel. Each of the plurality of light emission modules includes at least one luminescent element. A first light emission module of the plurality of light emission modules corresponds to a region of the first panel including a plurality of first pixels. Responsive to the at least one luminescent element of the first light emission module being activated, the at least one luminescent element of a second light emission module of the plurality of light emission modules is activated. The second light emission module is adjacent to the first light emission module.
    Type: Grant
    Filed: September 20, 2019
    Date of Patent: November 23, 2021
    Assignee: INNOLUX CORPORATION
    Inventors: Ming-Chia Shih, Cheng-Jen Chu, Chung-Kuang Wei
  • Publication number: 20210264822
    Abstract: A reflective flexible display device includes a liquid crystal layer disposed between a first flexible substrate and a second flexible substrate, and a reflective pixel electrode disposed on the first flexible substrate. A CIELAB b* coordinate of the second flexible substrate is less than or equal to a CIELAB b* coordinate of the first flexible substrate.
    Type: Application
    Filed: January 13, 2021
    Publication date: August 26, 2021
    Inventors: Toshiya Inada, Yu-Chih Tseng, Hsin-Hao Huang, Chu-Hong Lai, Cheng-Jen Chu
  • Publication number: 20210011329
    Abstract: A liquid crystal device includes a pair of substrates, a liquid crystal, and a plurality of heating units. The liquid crystal is disposed between the pair of substrates. The plurality of heating units are disposed on one of the pair of substrates, wherein the heating units are separated from each other. Each of the heating units includes a first voltage line, a second voltage line, and a plurality of heating lines coupled between the first voltage line and the second voltage line.
    Type: Application
    Filed: July 1, 2020
    Publication date: January 14, 2021
    Inventors: Chin-Yi KUO, Ying-Chieh TSAI, Cheng-Jen CHU
  • Publication number: 20200012152
    Abstract: A display device including a backlight plate, a first panel and a second panel is provided. The backlight plate includes a plurality of light emission modules. The first panel is disposed on the backlight plate. The second panel is disposed on the first panel. Each of the plurality of light emission modules includes at least one luminescent element. A first light emission module of the plurality of light emission modules corresponds to a region of the first panel including a plurality of first pixels. Responsive to the at least one luminescent element of the first light emission module being activated, the at least one luminescent element of a second light emission module of the plurality of light emission modules is activated. The second light emission module is adjacent to the first light emission module.
    Type: Application
    Filed: September 20, 2019
    Publication date: January 9, 2020
    Inventors: Ming-Chia SHIH, Cheng-Jen CHU, Chung-Kuang WEI
  • Patent number: 10459289
    Abstract: A display device includes a backlight plate, a first panel and a second panel. The backlight plate includes a plurality of light emission zones. The first panel is disposed on the backlight plate, and the first panel includes a plurality of first pixels. The second panel is disposed on the first panel, and the second panel includes a plurality of second pixels. A diffusion plate disposed between the first panel and second panel. A number of light emission zones is less than or equal to a number of first pixels. The number of first pixels is less than a number of second pixels.
    Type: Grant
    Filed: October 4, 2017
    Date of Patent: October 29, 2019
    Assignee: INNOLUX CORPORATION
    Inventors: Ming-Chia Shih, Cheng-Jen Chu, Chung-Kuang Wei
  • Publication number: 20180120639
    Abstract: A display device includes a backlight plate, a first panel and a second panel. The backlight plate includes a plurality of light emission zones. The first panel is disposed on the backlight plate, and the first panel includes a plurality of first pixels. The second panel is disposed on the first panel, and the second panel includes a plurality of second pixels. A diffusion plate disposed between the first panel and second panel. A number of light emission zones is less than or equal to a number of first pixels. The number of first pixels is less than a number of second pixels.
    Type: Application
    Filed: October 4, 2017
    Publication date: May 3, 2018
    Inventors: Ming-Chia SHIH, Cheng-Jen CHU, Chung-Kuang WEI
  • Patent number: 8625057
    Abstract: A color filter substrate for multi-view displaying including a substrate, a light shielding-layer, and a color filter layer is provided. The substrate has a first surface, a second surface, and a plurality of concaves. The first surface is opposite to the second surface. The concaves are located at the first surface. The light-shielding layer disposed on the first surface of the substrate defines a plurality of light-transparent openings. The color filter layer has a plurality of sub-pixel areas including at least one first sub-pixel area and at least one second sub-pixel area. A first light is transmitted to a first viewer by passing through one of the light-transparent openings and one of the at least one first sub-pixel area, and simultaneously, a second light is transmitted to a second viewer by passing through the same one of the light-transparent openings and one of the at least one second sub-pixel area.
    Type: Grant
    Filed: December 8, 2009
    Date of Patent: January 7, 2014
    Assignee: Chimei Innolux Corporation
    Inventors: Chien-Chih Huang, Kuo-Sheng Lin, Cheng-Jen Chu
  • Patent number: 8120572
    Abstract: In a liquid crystal display panel, each pixel unit includes first and second pixels, a first scan line coupled to the first pixel, and a second scan line coupled to the second pixel via an active element. During a first scan period, the first scan line, the second scan line and the active element are all activated to write a first voltage to the first and second pixels. During a second scan period, the first scan line remains activated but the second scan line and the active element are deactivated so that a second voltage is written to the first sub-pixel and the second sub-pixel is maintained at the first voltage.
    Type: Grant
    Filed: May 21, 2008
    Date of Patent: February 21, 2012
    Assignee: Chimei Innolux Corporation
    Inventors: Cheng-Jen Chu, Li-Nien Lin, Chia-Liang Lin
  • Publication number: 20100289770
    Abstract: A touch panel includes a thin film transistor (TFT) substrate, a color filter (CF) substrate, at least a touch sensing electrode and at least a conductive bump. The CF substrate is disposed opposite to the TFT substrate. The touch sensing electrode is disposed on the CF substrate. The conductive bump is disposed between the TFT substrate and the CF substrate, and electrically connecting the touch sensing electrode and the TFT substrate.
    Type: Application
    Filed: May 7, 2010
    Publication date: November 18, 2010
    Applicant: CHIMEI INNOLUX CORPORATION
    Inventors: Kuo-Sheng LEE, Cheng-Jen CHU
  • Patent number: 7750997
    Abstract: A displaying method and device. The display device includes a back light module and a display panel. The back light module emits at least M color lights. The display panel includes a plurality of pixel areas arranged in array structure, wherein each pixel area comprises N color filters, and at least one of the color filters is for passing through a plurality of primary color lights. In the displaying method, the back light module provides at least M color lights in a frame time, and a frame is displayed by arranging the M color lights and the N color filters in each pixel area, wherein M?2 and N?2. Moreover, the display panel may include an active component array substrate, a liquid crystal layer and a color filter substrate. In addition, any two adjacent pixel areas can share at least one color filter.
    Type: Grant
    Filed: May 31, 2005
    Date of Patent: July 6, 2010
    Assignee: Chi Mei Optoelectronics Corp.
    Inventors: Fu-Cheng Chen, Chao-Lien Lin, Cheng-Jen Chu, Chung-Kuang Wei
  • Publication number: 20100141877
    Abstract: A color filter substrate for multi-view displaying including a substrate, a light shielding-layer, and a color filter layer is provided. The substrate has a first surface, a second surface, and a plurality of concaves. The first surface is opposite to the second surface. The concaves are located at the first surface. The light-shielding layer disposed on the first surface of the substrate defines a plurality of light-transparent openings. The color filter layer has a plurality of sub-pixel areas including at least one first sub-pixel area and at least one second sub-pixel area. A first light is transmitted to a first viewer by passing through one of the light-transparent openings and one of the at least one first sub-pixel area, and simultaneously, a second light is transmitted to a second viewer by passing through the same one of the light-transparent openings and one of the at least one second sub-pixel area.
    Type: Application
    Filed: December 8, 2009
    Publication date: June 10, 2010
    Applicant: CHI MEI OPTOELECTRONICS CORP.
    Inventors: Chien-Chih HUANG, Kuo-Sheng LIN, Cheng-Jen CHU
  • Patent number: 7671943
    Abstract: A transflective liquid crystal display (LCD) panel includes an active device array substrate, an opposite substrate, and a liquid crystal layer in between. The active device array substrate includes scan lines, data lines, and pixel units. Each pixel unit includes an active device, a reflective pixel electrode, and a transparent pixel electrode. The active device is electrically connected to the corresponding scan line and data line. The reflective pixel electrode and the transparent pixel electrode are respectively disposed in a reflective region and a transmissive region and both electrically connected to the active device. The liquid crystal molecules in the reflective region are pre-tilted at a pretilt angle.
    Type: Grant
    Filed: January 31, 2008
    Date of Patent: March 2, 2010
    Assignee: Chi Mei Optoelectronics Corp.
    Inventors: Cheng-Jen Chu, Chen-Kuan Kao, Chung-Kuang Wei
  • Patent number: 7619704
    Abstract: A display device has a lower substrate, an upper substrate located above and generally parallel with the lower substrate, and a plurality of pixel units located between the lower and upper substrates. Each pixel unit of the display device includes a transmissive area and a transreflective area. The transmissive area allows light to pass through, while the transreflective area includes a light selecting membrane to selectively allow light having a first characteristic to pass through, and reflect light having a second characteristic.
    Type: Grant
    Filed: May 9, 2006
    Date of Patent: November 17, 2009
    Assignee: Chi Mei Optoelectronics Corp.
    Inventors: Cheng-Jen Chu, Fu-Cheng Chen
  • Patent number: 7518678
    Abstract: A sub-pixel of a liquid crystal display panel includes a first substrate, a second substrate, and a liquid crystal layer formed between the first and second substrates. A color filter layer is formed on the first substrate and includes a first photoresist formed on a transparent region and a reflective region of the sub-pixel for blocking light of wavelengths outside a first range, a second photoresist formed on the reflective region of the sub-pixel for blocking light of wavelengths outside a second range that is different from the first range, and an intermediate area formed between and free of the first and second photoresists.
    Type: Grant
    Filed: January 12, 2007
    Date of Patent: April 14, 2009
    Assignee: Chi Mei Optoelectronics Corp.
    Inventors: Yang-Min Kao, Chao-Lien Lin, Cheng-Jen Chu
  • Publication number: 20090066895
    Abstract: A transflective liquid crystal display (LCD) panel including an active device array substrate having a plurality of pixel units, an opposite substrate having a plurality of cell-gap adjusting layers and a liquid crystal layer is provided. Each of the pixel units includes a transparent pixel electrode and a reflective pixel electrode. Each of the reflective pixel electrodes has at least one first slit at a boundary between a transmissive area and a reflective area, and the first slit is extended along the boundary. The cell-gap adjusting layers correspond to the reflective pixel electrodes, respectively. Edges of the cell-gap adjusting layers located near the boundary between the transmissive area and the reflective area are within the corresponding reflective pixel electrodes.
    Type: Application
    Filed: September 5, 2008
    Publication date: March 12, 2009
    Applicant: Chi Mei Optoelectronics Corp.
    Inventors: Chun-Yi Kuo, Yung-Shun Yang, Chang-Hao Yang, Cheng-Jen Chu, Chao-Lien Lin