Patents by Inventor Pai-Chiao Cheng

Pai-Chiao Cheng 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: 20200321414
    Abstract: The disclosure provides a display device, including a substrate, a plurality of power lines and a pixel define layer. The plurality of power lines disposed on the substrate. The pixel define layer is disposed on the substrate, wherein the pixel define layer includes a first opening region and a second opening region. In a top view, the first opening region is adjacent to the second opening region, the first opening region overlaps a first power line of the plurality of power lines to define a first overlapping area, the second opening region overlaps a second power line of the plurality of power lines to define a second overlapping area, and the first overlapping area is different from the second overlapping area.
    Type: Application
    Filed: June 19, 2020
    Publication date: October 8, 2020
    Inventors: Hsia-Ching Chu, Pai-Chiao Cheng
  • Patent number: 10782560
    Abstract: An electronic device includes a light source and a light converting element. The light converting element is disposed adjacent to the light source and has a first surface adjacent to the light source and a second surface corresponding to the first surface and positioned farther from the light source. The first surface has a first gloss which is less than a second gloss of the second surface. A display device includes a display panel and a backlight module disposed corresponding to the display panel. The backlight module includes a light source and a light converting element disposed adjacent to the light source. The light converting element has a first surface adjacent to the light source and a second surface corresponding to the first surface and positioned farther from the light source. The first surface has a first gloss which is less than a second gloss of the second surface.
    Type: Grant
    Filed: August 2, 2018
    Date of Patent: September 22, 2020
    Assignee: InnoLux Corporation
    Inventors: Pai-Chiao Cheng, Tsung-Han Tsai
  • Patent number: 10734460
    Abstract: The disclosure provides a display device, including a substrate, a pixel define layer, a conductive line and a spacer. The pixel define layer is disposed on the substrate, wherein the pixel define layer includes a first opening region and a second opening region, wherein the second opening region is adjacent to the first opening region. The conductive line is disposed on the substrate, wherein in a top view of the display device, the conductive line is located between the first opening region and the second opening region. The spacer is disposed on the substrate, wherein the spacer at least partially overlaps the conductive line.
    Type: Grant
    Filed: April 28, 2019
    Date of Patent: August 4, 2020
    Inventors: Hsia-Ching Chu, Pai-Chiao Cheng
  • Patent number: 10734467
    Abstract: A display device including a substrate, first and second reference voltage lines, a first insulation layer is provided. The first and second reference voltage lines are disposed in a peripheral area of the substrate. The first insulation layer having a groove is disposed on the first reference voltage line. The groove extends along a first direction and exposes a contact portion of the first reference voltage line. The first insulation layer covers a first covered portion of the first reference voltage line. The second reference voltage line contacts the contact portion at the groove and has a contact surface. In a second direction, a first width W1 of the contact surface, a second width W2 of the first reference voltage line and a third width W3 of the first covered portion are complied with 1 ?m?W1?(W2?W3), wherein than 0 and smaller than W2.
    Type: Grant
    Filed: March 31, 2018
    Date of Patent: August 4, 2020
    Assignee: Innolux Corporation
    Inventors: Pai-Chiao Cheng, Hsia-Ching Chu, Kuan-Feng Lee, Chandra Lius, Pei-Chieh Chen
  • Patent number: 10591766
    Abstract: A display apparatus including a substrate, a gate line, first and second driving transistors, and a color filter layer is provided. The substrate has first and second light emitting regions and a circuit region. The first light emitting region is disposed to be adjacent to the second light emitting region, and the circuit region is disposed to be adjacent to the first and second light emitting regions. The gate line is disposed in the circuit region and extends along a direction. The first and second driving transistors are respectively disposed in the circuit region, have a channel region, and corresponds to the first and second light emitting regions. The color filter layer has a main portion in the first light emitting region and an extending portion in the circuit region and connected to the main portion. The extending portion extends along the direction and overlaps the channel regions.
    Type: Grant
    Filed: October 26, 2017
    Date of Patent: March 17, 2020
    Inventors: Pai-Chiao Cheng, Hsia-Ching Chu, Chandra Lius
  • Publication number: 20200034643
    Abstract: An electronic device is disclosed, which includes: a display area including a biometric sensing region and a non-sensing region; wherein a reflectivity of the biometric sensing region is different from a reflectivity of the non-sensing region.
    Type: Application
    Filed: July 26, 2018
    Publication date: January 30, 2020
    Inventors: Chandra LIUS, Kuan-Feng LEE, Tsung-Han TSAI, Pai-Chiao CHENG
  • Publication number: 20190252476
    Abstract: The disclosure provides a display device, including a substrate, a pixel define layer, a conductive line and a spacer. The pixel define layer is disposed on the substrate, wherein the pixel define layer includes a first opening region and a second opening region, wherein the second opening region is adjacent to the first opening region. The conductive line is disposed on the substrate, wherein in a top view of the display device, the conductive line is located between the first opening region and the second opening region. The spacer is disposed on the substrate, wherein the spacer at least partially overlaps the conductive line.
    Type: Application
    Filed: April 28, 2019
    Publication date: August 15, 2019
    Inventors: Hsia-Ching Chu, Pai-Chiao Cheng
  • Patent number: 10319795
    Abstract: The disclosure provides a display device, including a first thin film transistor, an insulating layer disposed on the first thin film transistor, a conductive line, and a pixel define layer. The conductive line is electrically coupled to the first thin film transistor via a first contact hole of the insulating layer. The pixel define layer is disposed on the insulating layer. The pixel define layer has a first opening region, a second opening region, and a third opening region. The first opening region and the second opening region are arranged along the first direction. A distance is the shortest distance between the first contact hole and the first opening region. A second distance is the shortest distance between the first contact hole and the second opening region. The first distance is different from the second distance.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: June 11, 2019
    Inventors: Hsia-Ching Chu, Pai-Chiao Cheng
  • Publication number: 20190155076
    Abstract: A display device includes a substrate, a plurality of sub-pixels and a covering layer. The substrate includes a display area and a peripheral area. The peripheral area is adjacent to the display area. The sub-pixels are disposed in the display area and arranged along a first direction. The sub-pixels have a first color, and two adjacent one of the sub-pixels have a first pixel pitch along the first direction. The covering layer is disposed in the peripheral area and has a first recess. The first recess has a first portion extended along a second direction perpendicular to the first direction. The first portion has a first width along the first direction. A ratio of the first width to the first pixel pitch is greater than or equal to 0.05 and less than or equal to 0.7.
    Type: Application
    Filed: October 12, 2018
    Publication date: May 23, 2019
    Inventor: Pai-Chiao CHENG
  • Publication number: 20190064590
    Abstract: An electronic device includes a light source and a light converting element. The light converting element is disposed adjacent to the light source and has a first surface adjacent to the light source and a second surface corresponding to the first surface and positioned farther from the light source. The first surface has a first gloss which is less than a second gloss of the second surface. A display device includes a display panel and a backlight module disposed corresponding to the display panel. The backlight module includes a light source and a light converting element disposed adjacent to the light source. The light converting element has a first surface adjacent to the light source and a second surface corresponding to the first surface and positioned farther from the light source. The first surface has a first gloss which is less than a second gloss of the second surface.
    Type: Application
    Filed: August 2, 2018
    Publication date: February 28, 2019
    Inventors: Pai-Chiao Cheng, Tsung-Han Tsai
  • Publication number: 20180308917
    Abstract: A display device including a substrate, first and second reference voltage lines, a first insulation layer is provided. The first and second reference voltage lines are disposed in a peripheral area of the substrate. The first insulation layer having a groove is disposed on the first reference voltage line. The groove extends along a first direction and exposes a contact portion of the first reference voltage line. The first insulation layer covers a first covered portion of the first reference voltage line. The second reference voltage line contacts the contact portion at the groove and has a contact surface. In a second direction, a first width W1 of the contact surface, a second width W2 of the first reference voltage line and a third width W3 of the first covered portion are complied with 1?W1?(W2-W3), wherein W3 is greater than 0 and smaller than W2.
    Type: Application
    Filed: March 31, 2018
    Publication date: October 25, 2018
    Applicant: Innolux Corporation
    Inventors: Pai-Chiao Cheng, Hsia-Ching Chu, Kuan-Feng Lee, Chandra Lius, Pei-Chieh Chen
  • Publication number: 20180233546
    Abstract: The disclosure provides a display device, including a first thin film transistor, an insulating layer disposed on the first thin film transistor, a conductive line, and a pixel define layer. The conductive line is electrically coupled to the first thin film transistor via a first contact hole of the insulating layer. The pixel define layer is disposed on the insulating layer. The pixel define layer has a first opening region, a second opening region, and a third opening region. The first opening region and the second opening region are arranged along the first direction. A distance is the shortest distance between the first contact hole and the first opening region. A second distance is the shortest distance between the first contact hole and the second opening region. The first distance is different from the second distance.
    Type: Application
    Filed: December 20, 2017
    Publication date: August 16, 2018
    Inventors: Hsia-Ching Chu, Pai-Chiao Cheng
  • Publication number: 20180157099
    Abstract: A display apparatus including a substrate, a gate line, first and second driving transistors, and a color filter layer is provided. The substrate has first and second light emitting regions and a circuit region. The first light emitting region is disposed to be adjacent to the second light emitting region, and the circuit region is disposed to be adjacent to the first and second light emitting regions. The gate line is disposed in the circuit region and extends along a direction. The first and second driving transistors are respectively disposed in the circuit region, have a channel region, and corresponds to the first and second light emitting regions. The color filter layer has a main portion in the first light emitting region and an extending portion in the circuit region and connected to the main portion. The extending portion extends along the direction and overlaps the channel regions.
    Type: Application
    Filed: October 26, 2017
    Publication date: June 7, 2018
    Inventors: Pai-Chiao Cheng, Hsia-Ching Chu, Chandra Lius