Patents by Inventor Cheng-Min Tsai

Cheng-Min Tsai 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: 20240019629
    Abstract: A display device includes a bezel, first and second light guide plates (LGP), first and second light emitting element, first and second reflection sheets, a first fixing member, and at least one display panel. Each of the first and second LGPs has a bottom surface, a light exit surface, a light incident surface, and a first side surface. The first and second reflection sheets are located between the bezel and the first LGP and between the bezel and the second LGP, respectively. Bent portions of the first and second reflection sheets are disposed beside the first side surface of the first LGP and the first side surface of the second LGP, respectively and located between the first side surface of the first LGP and the first side surface of the second LGP. The first fixing member is sandwiched between the bent portions of the first and second reflection sheets.
    Type: Application
    Filed: December 19, 2022
    Publication date: January 18, 2024
    Applicant: AUO Corporation
    Inventors: Cheng-Yu Wang, Cheng-Min Tsai
  • Patent number: 10712600
    Abstract: A display device includes a display pane, a frame, a first protruding structure, and an adhesive structure. The display panel has a display surface. The frame surrounds the display panel and has an opening. The first protruding structure is connected to and protrudes from the frame, in which the first protruding structure and the display surface are located at the same side of the frame and the display panel. The adhesive structure adheres to the display surface of the display panel, a top surface of the first protruding structure opposite to the frame, and the frame.
    Type: Grant
    Filed: March 25, 2019
    Date of Patent: July 14, 2020
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Guo-Tsai Liau, Cheng-Min Tsai
  • Publication number: 20200209671
    Abstract: A display device includes a display pane, a frame, a first protruding structure, and an adhesive structure. The display panel has a display surface. The frame surrounds the display panel and has an opening. The first protruding structure is connected to and protrudes from the frame, in which the first protruding structure and the display surface are located at the same side of the frame and the display panel. The adhesive structure adheres to the display surface of the display panel, a top surface of the first protruding structure opposite to the frame, and the frame.
    Type: Application
    Filed: March 25, 2019
    Publication date: July 2, 2020
    Inventors: Guo-Tsai LIAU, Cheng-Min TSAI
  • Patent number: 9854688
    Abstract: A display apparatus includes a frame, a panel module and an adjusting pad. The frame has a supporting surface, and the panel module includes a substrate and a plurality of chips. The substrate is disposed on the supporting surface and has a bonding region at a side of the substrate. The chips are disposed on the bonding region, wherein the chips and the supporting surface are located at two opposite surfaces of the substrate. The adjusting pad is disposed between the supporting surface and the bonding region, and the thickness of the adjusting pad is gradually reduced from a center portion of the adjusting pad toward two sides of the adjusting pad. Another display apparatus, in which a frame and an adjusting pad are integrated into one piece, is provided.
    Type: Grant
    Filed: February 4, 2016
    Date of Patent: December 26, 2017
    Assignee: AU OPTRONICS CORP.
    Inventors: Wen-Hung Huang, Tung-Shin Lin, Cheng-Min Tsai
  • Patent number: 9810835
    Abstract: A backlight module including a back plate, a light source module and a connecting strip is provided. The light source module is disposed on the back plate and includes a substrate and a plurality of light sources, wherein the substrate extends in an extending direction, and the plurality of light sources are disposed on the substrate. The connecting strip connects the substrate and the back plate and includes a substrate-connecting section and a back plate-connecting section, wherein the substrate-connecting section is attached to the substrate, the back plate-connecting section is attached to the back plate. The substrate-connecting section has a first width parallel to the extension direction, the back plate-connecting section has a second width parallel to the extension direction and smaller than the first width, in which the outmost light sources disposed at two sides along the extension direction protrudes respectively beyond two opposite ends of the back plate-connecting section.
    Type: Grant
    Filed: April 12, 2016
    Date of Patent: November 7, 2017
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Yu-Chieh Huang, Cheng-Min Tsai, Cheng-Yu Wang
  • Patent number: 9599767
    Abstract: A light emitting assembly, a backlight module having the light emitting assembly, and a liquid crystal display (LCD) apparatus having the backlight module are provided. The light emitting assembly includes a rigid circuit board, a plurality of light emitting diode (LED) devices, and a flexible circuit board. The rigid circuit board has a plurality of external circuits isolated from one another. The LED devices are disposed on the rigid circuit board, and each of the external circuits is connected to a corresponding one of the LED devices. The flexible circuit board has a plurality of connecting lines, and each of the connecting lines is connected to at least two of the external circuits, so as to serially connect the LED devices that are connected to the external circuits.
    Type: Grant
    Filed: October 29, 2015
    Date of Patent: March 21, 2017
    Assignee: Au Optronics Corporation
    Inventors: Ching-Feng Chen, Cheng-Min Tsai, Hua-Chen Fan
  • Publication number: 20160306093
    Abstract: A backlight module including a back plate, a light source module and a connecting strip is provided. The light source module is disposed on the back plate and includes a substrate and a plurality of light sources, wherein the substrate extends in an extending direction, and the plurality of light sources are disposed on the substrate. The connecting strip connects the substrate and the back plate and includes a substrate-connecting section and a back plate-connecting section, wherein the substrate-connecting section is attached to the substrate, the back plate-connecting section is attached to the back plate. The substrate-connecting section has a first width parallel to the extension direction, the back plate-connecting section has a second width parallel to the extension direction and smaller than the first width, in which the outmost light sources disposed at two sides along the extension direction protrudes respectively beyond two opposite ends of the back plate-connecting section.
    Type: Application
    Filed: April 12, 2016
    Publication date: October 20, 2016
    Inventors: YU-CHIEH HUANG, CHENG-MIN TSAI, CHENG-YU WANG
  • Publication number: 20160157365
    Abstract: A display apparatus includes a frame, a panel module and an adjusting pad. The frame has a supporting surface, and the panel module includes a substrate and a plurality of chips. The substrate is disposed on the supporting surface and has a bonding region at a side of the substrate. The chips are disposed on the bonding region, wherein the chips and the supporting surface are located at two opposite surfaces of the substrate. The adjusting pad is disposed between the supporting surface and the bonding region, and the thickness of the adjusting pad is gradually reduced from a center portion of the adjusting pad toward two sides of the adjusting pad. Another display apparatus, in which a frame and an adjusting pad are integrated into one piece, is provided.
    Type: Application
    Filed: February 4, 2016
    Publication date: June 2, 2016
    Inventors: WEN-HUNG HUANG, TUNG-SHIN LIN, CHENG-MIN TSAI
  • Patent number: 9326393
    Abstract: A display apparatus includes a frame, a panel module and an adjusting pad. The frame has a supporting surface, and the panel module includes a substrate and a plurality of chips. The substrate is disposed on the supporting surface and has a bonding region at a side of the substrate. The chips are disposed on the bonding region, wherein the chips and the supporting surface are located at two opposite surfaces of the substrate. The adjusting pad is disposed between the supporting surface and the bonding region, and the thickness of the adjusting pad is gradually reduced from a center portion of the adjusting pad toward two sides of the adjusting pad. Another display apparatus, in which a frame and an adjusting pad are integrated into one piece, is provided.
    Type: Grant
    Filed: July 9, 2013
    Date of Patent: April 26, 2016
    Assignee: AU OPTRONICS CORP.
    Inventors: Wen-Hung Huang, Tung-Shin Lin, Cheng-Min Tsai
  • Publication number: 20160047974
    Abstract: A light emitting assembly, a backlight module having the light emitting assembly, and a liquid crystal display (LCD) apparatus having the backlight module are provided. The light emitting assembly includes a rigid circuit board, a plurality of light emitting diode (LED) devices, and a flexible circuit board. The rigid circuit board has a plurality of external circuits isolated from one another. The LED devices are disposed on the rigid circuit board, and each of the external circuits is connected to a corresponding one of the LED devices. The flexible circuit board has a plurality of connecting lines, and each of the connecting lines is connected to at least two of the external circuits, so as to serially connect the LED devices that are connected to the external circuits.
    Type: Application
    Filed: October 29, 2015
    Publication date: February 18, 2016
    Inventors: Ching-Feng Chen, Cheng-Min Tsai, Hua-Chen Fan
  • Patent number: 9173335
    Abstract: A complex circuit board including a printed circuit board assembly (PCBA) and a flexible printed circuit (FPC) for providing driving signals for light sources is disclosed. The PCBA includes a supporting portion and a connecting portion. The light sources are disposed above the supporting portion. The connection portion contacts electrically with a contacting portion of the FPC. The contacting portion of the FPC has a fixing hole. The connecting portion of the PCBA has a fixing portion. Moreover, the FPC has two or more than two first bend portions on the contacting portion. The fixing portion of the PCBA is inserted into the fixing hole of the FPC to complete the complex circuit board without extra attachment units. Therefore, the assembly procedure is simplified to increase throughput and the cost is reduced.
    Type: Grant
    Filed: December 30, 2013
    Date of Patent: October 27, 2015
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Ching-Feng Chen, Cheng-Min Tsai, Cheng-Yu Wang
  • Patent number: 9057506
    Abstract: A light module is disclosed. The light module includes a first printed circuit board, a second printed circuit board, a light source, and a fixing casing, wherein the first printed circuit board and the second printed circuit board each has a fixing part, and the fixing part of the second printed board is attached to the fixing part of the first printed board. The light source is disposed on the first printed circuit board to couple to the first printed board and the second printed board. The fixing casing has a contact surface. When the fixing casing is fixed onto the fixing parts of the second printed circuit board and the first printed circuit board, the contact surface contacts the fixing part so that the second printed circuit board is clamped between the contact surface and the first printed circuit board.
    Type: Grant
    Filed: December 31, 2013
    Date of Patent: June 16, 2015
    Assignee: AU OPTRONICS CORPORATION
    Inventors: Tsai-Yi Chiu, Ping Lee, Cheng-Min Tsai
  • Patent number: 8979348
    Abstract: A backlight module and a light source module thereof are disclosed. The light source module includes a substrate, at least one first light source, and at least one second light source. The substrate includes a first substrate portion and a second substrate portion. The first substrate portion extends along a length direction, and the second substrate portion bends an acute angle corresponding to an extending surface of the first substrate portion. The at least one first light source and the at least one second light source are disposed on the first substrate portion and the second substrate portion respectively. The acute angle is existed between the light-emitting directions of the first light source and the second light source, and the light-emitting directions are parallel to the first substrate portion.
    Type: Grant
    Filed: October 25, 2012
    Date of Patent: March 17, 2015
    Assignee: AU Optronics Corporation
    Inventors: Cheng-Yu Wang, Ci-Guang Peng, Cheng-Min Tsai, Te-Hen Lo, Ming-Sheng Lai, Ren-Wei Huang, Shu-Ting Jhuang, Yu-Chin Wu
  • Patent number: 8927992
    Abstract: A display apparatus includes a backlight module, a panel module, and a plurality of double-sided adhesive tapes. The backlight module includes a bezel. The frame has a supporting surface. The panel module includes a glass substrate and a plurality of chips. The glass substrate is disposed on the supporting surface. An edge of the glass substrate has a bonding region. The chips are disposed at the bonding region. The chips and the supporting surface are respectively located at two opposite sides of the glass substrate. The double-sided adhesive tapes are disposed between the supporting surface and the bonding region. Each of the double-sided adhesive tapes is located at a gap between two adjacent chips.
    Type: Grant
    Filed: March 1, 2013
    Date of Patent: January 6, 2015
    Assignees: AU Optronics (Suzhou) Corp., Ltd., AU Optronics Corporation
    Inventors: Xiang-Chong Chen, Tung-Shin Lin, Yun-Tao Guo, Cheng-Min Tsai, Shih-Ping Lin
  • Patent number: 8899816
    Abstract: A backlight module includes a light guide plate and a light emitting unit. The light guide plate has a first side surface, a second side surface, and a third side surface. The first side surface is located opposite to the second side surface. A height of the first side surface is greater than a height of the second side surface. The third side surface is located between the first side surface and the second side surface and has a light entrance surface and a light exit surface. The light entrance surface is connected to the first side surface and the light exit surface. The light exit surface is connected to the second side surface. An included angle is formed between the light entrance surface and the light exit surface. The light emitting unit is disposed on the light entrance surface.
    Type: Grant
    Filed: April 18, 2012
    Date of Patent: December 2, 2014
    Assignee: AU Optronics Corp.
    Inventors: Ya-Lan Lin, Ching-Feng Chen, Cheng-Min Tsai, Ming-Sheng Lai, Ren-Wei Huang
  • Patent number: 8888353
    Abstract: A backlight module includes a light guide plate with at least one light incident surface, and a light source structure arranged at a side of the light guide plate. The light source structure includes a reflection cover and at least one light emitting module. At least one positioning pin is arranged on the reflection cover. The at least one light emitting module is installed on the reflection cover and corresponding to the at least one light incident surface. The at least one light emitting module is fixed on the positioning pin in a rotatable manner, such that the at least one light emitting module can rotate around the positioning pin as an axis when the reflection cover is combined with the light guide plate, so as to allow the at least one light emitting module facing the at least one light incident surface.
    Type: Grant
    Filed: December 3, 2012
    Date of Patent: November 18, 2014
    Assignee: AU Optronics Corp.
    Inventors: Cheng-Yu Wang, Cheng-Min Tsai
  • Patent number: 8746946
    Abstract: A backlight module including a light guide plate and a light source is provided. The light guide plate has a light incident surface, a light reflection surface, a first side surface and a second side surface. The light incident surface is connected to the second side surface. The reflection surface is connected between the first side surface and the light incident surface. The first and the second side surfaces are two planes with their extending planes intersected. The light incident surface is a chamfering plane connected between the first and the second side surfaces. The light reflection surface is a cambered surface connected between the first side surface and the light incident surface. The light source is disposed next to the light incident surface, so as to transmit light into the light guide plate through the light incident surface.
    Type: Grant
    Filed: May 14, 2012
    Date of Patent: June 10, 2014
    Assignee: Au Optronics Corporation
    Inventors: Ci-Guang Peng, Cheng-Yu Wang, Chung-Yang Hung, Te-Hen Lo, Cheng-Min Tsai, Ming-Sheng Lai, Ren-Wei Huang, Shu-Ting Jhuang
  • Publication number: 20140112008
    Abstract: A light module is disclosed. The light module includes a first printed circuit board, a second printed circuit board, a light source, and a fixing casing, wherein the first printed circuit board and the second printed circuit board each has a fixing part, and the fixing part of the second printed board is attached to the fixing part of the first printed board. The light source is disposed on the first printed circuit board to couple to the first printed board and the second printed board. The fixing casing has a contact surface. When the fixing casing is fixed onto the fixing parts of the second printed circuit board and the first printed circuit board, the contact surface contacts the fixing part so that the second printed circuit board is clamped between the contact surface and the first printed circuit board.
    Type: Application
    Filed: December 31, 2013
    Publication date: April 24, 2014
    Applicant: AU Optronics Corporation
    Inventors: Tsai-Yi Chiu, Ping Lee, Cheng-Min Tsai
  • Publication number: 20140109403
    Abstract: A complex circuit board including a printed circuit board assembly (PCBA) and a flexible printed circuit (FPC) for providing driving signals for light sources is disclosed. The PCBA includes a supporting portion and a connecting portion. The light sources are disposed above the supporting portion. The connection portion contacts electrically with a contacting portion of the FPC. The contacting portion of the FPC has a fixing hole. The connecting portion of the PCBA has a fixing portion. Moreover, the FPC has two or more than two first bend portions on the contacting portion. The fixing portion of the PCBA is inserted into the fixing hole of the FPC to complete the complex circuit board without extra attachment units. Therefore, the assembly procedure is simplified to increase throughput and the cost is reduced.
    Type: Application
    Filed: December 30, 2013
    Publication date: April 24, 2014
    Applicant: AU Optronics Corporation
    Inventors: Ching-Feng Chen, Cheng-Min Tsai, Cheng-Yu Wang
  • Publication number: 20140104814
    Abstract: A display apparatus includes a frame, a panel module and an adjusting pad. The frame has a supporting surface, and the panel module includes a substrate and a plurality of chips. The substrate is disposed on the supporting surface and has a bonding region at a side of the substrate. The chips are disposed on the bonding region, wherein the chips and the supporting surface are located at two opposite surfaces of the substrate. The adjusting pad is disposed between the supporting surface and the bonding region, and the thickness of the adjusting pad is gradually reduced from a center portion of the adjusting pad toward two sides of the adjusting pad. Another display apparatus, in which a frame and an adjusting pad are integrated into one piece, is provided.
    Type: Application
    Filed: July 9, 2013
    Publication date: April 17, 2014
    Inventors: Wen-Hung HUANG, Tung-Shin LIN, Cheng-Min TSAI