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: 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
  • Patent number: 8662728
    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: August 15, 2011
    Date of Patent: March 4, 2014
    Assignee: AU Optronics Corporation
    Inventors: Tsai-Yi Chiu, Ping Lee, Cheng-Min Tsai
  • Patent number: 8641260
    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: March 22, 2011
    Date of Patent: February 4, 2014
    Assignee: AU Optronics Corporation
    Inventors: Ching-Feng Chen, Cheng-Min Tsai, Cheng-Yu Wang
  • Patent number: 8643818
    Abstract: A flat panel display device includes a display panel, a backlight module, a printed circuit board and a protection structure. The backlight module is disposed on a non-display side of the display panel. The printed circuit board with a signal connector is connected with the display panel and disposed between the display panel and the printed circuit board. The protection structure is used to protect the backlight module from the deformation caused by the external force, especially the optically films in it, like conductive film etc. The protection structure includes a protective film, a movable piece and an elastic element. The protective film is covered on the printed circuit board and having an opening to expose the signal connector. The movable piece is connected with the protective film, and the opening is disposed between the movable piece and the protective film.
    Type: Grant
    Filed: January 20, 2011
    Date of Patent: February 4, 2014
    Assignee: Au Optronics Corporation
    Inventors: Lin-Wei Chiu, Cheng-Min Tsai
  • Publication number: 20140029302
    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: Application
    Filed: December 3, 2012
    Publication date: January 30, 2014
    Applicant: AU OPTRONICS CORP.
    Inventors: Cheng-Yu Wang, Cheng-Min Tsai
  • Publication number: 20130256671
    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 aligned with a gap between two adjacent chips.
    Type: Application
    Filed: March 1, 2013
    Publication date: October 3, 2013
    Applicants: AU OPTRONICS CORPORATION, AU OPTRONICS (SUZHOU) CORP., LTD.
    Inventors: Xiang-Chong CHEN, Tung-Shin LIN, Yun-Tao GUO, Cheng-Min TSAI, Shih-Ping LIN
  • Publication number: 20130163279
    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: Application
    Filed: May 14, 2012
    Publication date: June 27, 2013
    Applicant: 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
  • Patent number: 8462291
    Abstract: A backlight module includes a back plate, an optical sheet, and a lateral frame. The back plate has a first surface, wherein the first surface includes a raised portion formed near the edge of the first surface. An insertion opening is formed between the raised portion and the first surface. The optical sheet is disposed on the first surface, wherein a protrusion is formed at one end of the optical sheet to be inserted into the insertion opening. The lateral frame is disposed on the back plate and corresponds to the edge of the first surface. The lateral frame includes at least a side wall having a sinking portion formed at the bottom of the side wall, wherein the bottom of the side wall is disposed on the optical sheet while the raised portion is received in the sinking portion.
    Type: Grant
    Filed: November 3, 2010
    Date of Patent: June 11, 2013
    Assignee: AU Optronics Corporation
    Inventors: Ching-Feng Chen, Cheng-Min Tsai
  • Publication number: 20130121025
    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: Application
    Filed: April 18, 2012
    Publication date: May 16, 2013
    Inventors: Ya-Lan Lin, Ching-Feng Chen, Cheng-Min Tsai, Ming-Sheng Lai, Ren-Wei Huang
  • Patent number: 8210718
    Abstract: A light source module includes a light bar and a stiffened bar. The light bar includes a flexible circuit strip and a plurality of light sources. The light sources are disposed on the flexible circuit strip along an extension direction of the flexible circuit strip. The stiffened bar overlaps the flexible circuit strip and is disposed on a face of the flexible circuit strip having the light sources. The stiffened bar surrounds at least one side of each light source and exposes the light sources. The rigidity of the stiffened bar is larger than the flexible circuit strip.
    Type: Grant
    Filed: November 4, 2010
    Date of Patent: July 3, 2012
    Assignee: AU Optronics Corporation
    Inventors: Cheng-Min Tsai, Wen-Mao Wen
  • Publication number: 20120099342
    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: March 22, 2011
    Publication date: April 26, 2012
    Applicant: AU OPTRONICS CORPORATION
    Inventors: Ching-Feng Chen, Cheng-Min Tsai, Cheng-Yu Wang
  • Publication number: 20120087140
    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: August 15, 2011
    Publication date: April 12, 2012
    Applicant: AU OPTRONICS CORPORATION
    Inventors: Tsai-Yi Chiu, Ping Lee, Cheng-Min Tsai
  • Publication number: 20120050647
    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: June 24, 2011
    Publication date: March 1, 2012
    Applicant: AU OPTRONICS CORPORATION
    Inventors: Ching-Feng Chen, Cheng-Min Tsai, Hua-Chen Fan
  • Publication number: 20120038846
    Abstract: A flat panel display device includes a display panel, a backlight module, a printed circuit board and a protection structure. The backlight module is disposed on a non-display side of the display panel. The printed circuit board with a signal connector is connected with the display panel and disposed between the display panel and the printed circuit board. The protection structure is used to protect the backlight module from the deformation caused by the external force, especially the optically films in it, like conductive film etc. The protection structure includes a protective film, a movable piece and an elastic element. The protective film is covered on the printed circuit board and having an opening to expose the signal connector. The movable piece is connected with the protective film, and the opening is disposed between the movable piece and the protective film.
    Type: Application
    Filed: January 20, 2011
    Publication date: February 16, 2012
    Applicant: AU OPTRONICS CORPORATION
    Inventors: Lin-Wei Chiu, Cheng-Min Tsai
  • Patent number: 8107249
    Abstract: A display panel apparatus includes a panel, a fixed frame, a circuit board and one or more flexible printed circuits (FPC). The fixed frame may be a back bezel or a frame, and is placed at the rear of the panel. The fixed frame includes two fixed portions extending outwards from a side thereof. The circuit board is connected to the two fixed portions and disposed at the side of the fixed frame, and extends away from the fixed frame. The maximum plane of the circuit board and the maximum plane of the fixed frame are disposed at a same (common) plane. More specifically, the maximum plane of the circuit board and the maximum plane of the fixed frame are not overlapping in a vertical direction, and are on a same horizontal plane.
    Type: Grant
    Filed: June 16, 2009
    Date of Patent: January 31, 2012
    Assignee: Au Optronics Corporation
    Inventors: Cheng Min Tsai, Ching Hung Cheng, Han Chang Cheng
  • Patent number: 7976328
    Abstract: An electrical connector for a flexible printed circuit is provided. The electrical connector comprises a connector set, a terminal and a fasten assembly. The connector set has a base, a cover and a pin. The cover is pivotally connecting to the base by the pin and adapted to open or shut the receiving space defined by the base and the cover. The terminal is adapted to be detachably inserted into the receiving space to electrically connect the connector set. The fasten assembly is disposed on the base and the terminal respectively. When the terminal is inserted into the receiving space, the fasten assembly is adapted to fasten the terminal to the base.
    Type: Grant
    Filed: September 28, 2009
    Date of Patent: July 12, 2011
    Assignee: Au Optronics Corp.
    Inventors: Cheng-Min Tsai, Hao-Liang Chao
  • Publication number: 20110149191
    Abstract: A backlight module includes a back plate, an optical sheet, and a lateral frame. The back plate has a first surface, wherein the first surface includes a raised portion formed near the edge of the first surface. An insertion opening is formed between the raised portion and the first surface. The optical sheet is disposed on the first surface, wherein a protrusion is formed at one end of the optical sheet to be inserted into the insertion opening. The lateral frame is disposed on the back plate and corresponds to the edge of the first surface. The lateral frame includes at least a side wall having a sinking portion formed at the bottom of the side wall, wherein the bottom of the side wall is disposed on the optical sheet while the raised portion is received in the sinking portion.
    Type: Application
    Filed: November 3, 2010
    Publication date: June 23, 2011
    Applicant: AU OPTRONICS CORPORATION
    Inventors: Ching-Feng Chen, Cheng-Min Tsai
  • Publication number: 20110103093
    Abstract: A light source module includes a light bar and a stiffened bar. The light bar includes a flexible circuit strip and a plurality of light sources. The light sources are disposed on the flexible circuit strip along an extension direction of the flexible circuit strip. The stiffened bar overlaps the flexible circuit strip and is disposed on a face of the flexible circuit strip having the light sources. The stiffened bar surrounds at least one side of each light source and exposes the light sources. The rigidity of the stiffened bar is larger than the flexible circuit strip.
    Type: Application
    Filed: November 4, 2010
    Publication date: May 5, 2011
    Inventors: Cheng-Min Tsai, Wen-Mao Wen
  • Publication number: 20100227491
    Abstract: An electrical connector for a flexible printed circuit is provided. The electrical connector comprises a connector set, a terminal and a fasten assembly. The connector set has a base, a cover and a pin. The cover is pivotally connecting to the base by the pin and adapted to open or shut the receiving space defined by the base and the cover. The terminal is adapted to be detachably inserted into the receiving space to electrically connect the connector set. The fasten assembly is disposed on the base and the terminal respectively. When the terminal is inserted into the receiving space, the fasten assembly is adapted to fasten the terminal to the base.
    Type: Application
    Filed: September 28, 2009
    Publication date: September 9, 2010
    Applicant: AU OPTRONICS CORP.
    Inventors: Cheng-Min Tsai, Hao-Liang Chao
  • Publication number: 20100165586
    Abstract: A display panel apparatus includes a panel, a fixed frame, a circuit board and one or more flexible printed circuits (FPC). The fixed frame may be a back bezel or a frame, and is placed at the rear of the panel. The fixed frame includes two fixed portions extending outwards from a side thereof. The circuit board is connected to the two fixed portions and disposed at the side of the fixed frame, and extends away from the fixed frame. The maximum plane of the circuit board and the maximum plane of the fixed frame are disposed at a same (common) plane. More specifically, the maximum plane of the circuit board and the maximum plane of the fixed frame are not overlapping in a vertical direction, and are on a same horizontal plane.
    Type: Application
    Filed: June 16, 2009
    Publication date: July 1, 2010
    Applicant: AU OPTRONICS CORPORATION
    Inventors: CHENG MIN TSAI, CHING HUNG CHENG, HAN CHANG CHENG