Patents by Inventor Zong-Huei Tsai
Zong-Huei 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).
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Patent number: 11610531Abstract: The present invention provides a display device having a display panel. The display panel has a display surface and a plurality of pixels. At least some of the pixels include: an illumination unit and a display unit. The illumination unit has at least one illumination sub-pixel and at least one light orientation element respectively and correspondingly disposed on the at least one illumination sub-pixel, and illumination light from the illumination sub-pixel is directly or indirectly emitted from the display surface through the light orientation element. The display unit has at least one display sub-pixel, and display light from the display sub-pixel is directly or indirectly emitted from the display surface.Type: GrantFiled: June 18, 2021Date of Patent: March 21, 2023Assignee: AU OPTRONICS CORPORATIONInventor: Zong-Huei Tsai
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Patent number: 11604380Abstract: A display device includes a backlight module, a liquid crystal display panel and an optical module. The liquid crystal display panel is disposed on the backlight module. The liquid crystal display panel includes an array substrate, an opposite substrate, a display medium layer, an upper polarizing pattern, and a lower polarizing pattern. The upper polarizing pattern is disposed on the opposite substrate. The lower polarizing pattern is disposed on the array substrate and has a first transmission axis. The optical module is disposed between the backlight module and the liquid crystal display panel. The optical module includes a dual brightness enhancement film. The dual brightness enhancement film has a second transmission axis. The polarization direction of the light after passing through the optical module is different from the polarization direction of the light after passing through the lower polarizing pattern.Type: GrantFiled: July 6, 2021Date of Patent: March 14, 2023Assignee: Au Optronics CorporationInventors: Zong-Huei Tsai, Yu-Wen Lee
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Patent number: 11314118Abstract: A display device and an optical film are provided. The optical film is disposed on the display surface of the display device, and includes an anti-glare layer and an anti-reflection layer. The anti-glare layer has a first light-incident surface and a first light-exit surface. The anti-reflection layer is disposed on the first light-exit surface. The anti-reflection layer has a second light-incident surface and a second light-exit surface facing away from each other. The second light-incident surface faces the first light-exit surface of the anti-glare layer. The specular reflectance of the optical film is smaller than or equal to 0.14% for a light ray incident to the second light-exit surface at an incident angle ranging from 10 degrees to 30 degrees.Type: GrantFiled: May 10, 2019Date of Patent: April 26, 2022Assignee: AU OPTRONICS CORPORATIONInventors: Yu-Hung Chen, Zong-Huei Tsai
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Publication number: 20220005398Abstract: The present invention provides a display device having a display panel. The display panel has a display surface and a plurality of pixels. At least some of the pixels include: an illumination unit and a display unit. The illumination unit has at least one illumination sub-pixel and at least one light orientation element respectively and correspondingly disposed on the at least one illumination sub-pixel, and illumination light from the illumination sub-pixel is directly or indirectly emitted from the display surface through the light orientation element. The display unit has at least one display sub-pixel, and display light from the display sub-pixel is directly or indirectly emitted from the display surface.Type: ApplicationFiled: June 18, 2021Publication date: January 6, 2022Inventor: Zong-Huei Tsai
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Publication number: 20210333630Abstract: A display device includes a backlight module, a liquid crystal display panel and an optical module. The liquid crystal display panel is disposed on the backlight module. The liquid crystal display panel includes an array substrate, an opposite substrate, a display medium layer, an upper polarizing pattern, and a lower polarizing pattern. The upper polarizing pattern is disposed on the opposite substrate. The lower polarizing pattern is disposed on the array substrate and has a first transmission axis. The optical module is disposed between the backlight module and the liquid crystal display panel. The optical module includes a dual brightness enhancement film. The dual brightness enhancement film has a second transmission axis. The polarization direction of the light after passing through the optical module is different from the polarization direction of the light after passing through the lower polarizing pattern.Type: ApplicationFiled: July 6, 2021Publication date: October 28, 2021Applicant: Au Optronics CorporationInventors: Zong-Huei Tsai, Yu-Wen Lee
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Patent number: 11099423Abstract: A display device includes a backlight module, a liquid crystal display panel and an optical module. The liquid crystal display panel is disposed on the backlight module. The liquid crystal display panel includes an array substrate, an opposite substrate, a display medium layer, an upper polarizing pattern, and a lower polarizing pattern. The upper polarizing pattern is disposed on the opposite substrate. The lower polarizing pattern is disposed on the array substrate and has a first transmission axis. The optical module is disposed between the backlight module and the liquid crystal display panel. The optical module includes a dual brightness enhancement film. The dual brightness enhancement film has a second transmission axis. The polarization direction of the light after passing through the optical module is different from the polarization direction of the light after passing through the lower polarizing pattern.Type: GrantFiled: December 10, 2018Date of Patent: August 24, 2021Assignee: Au Optronics CorporationInventors: Zong-Huei Tsai, Yu-Wen Lee
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Publication number: 20200033677Abstract: A display device includes a backlight module, a liquid crystal display panel and an optical module. The liquid crystal display panel is disposed on the backlight module. The liquid crystal display panel includes an array substrate, an opposite substrate, a display medium layer, an upper polarizing pattern, and a lower polarizing pattern. The upper polarizing pattern is disposed on the opposite substrate. The lower polarizing pattern is disposed on the array substrate and has a first transmission axis. The optical module is disposed between the backlight module and the liquid crystal display panel. The optical module includes a dual brightness enhancement film. The dual brightness enhancement film has a second transmission axis. The polarization direction of the light after passing through the optical module is different from the polarization direction of the light after passing through the lower polarizing pattern.Type: ApplicationFiled: December 10, 2018Publication date: January 30, 2020Applicant: Au Optronics CorporationInventors: Zong-Huei Tsai, Yu-Wen Lee
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Publication number: 20190346714Abstract: A display device and an optical film are provided. The optical film is disposed on the display surface of the display device, and includes an anti-glare layer and an anti-reflection layer. The anti-glare layer has a first light-incident surface and a first light-exit surface. The anti-reflection layer is disposed on the first light-exit surface. The anti-reflection layer has a second light-incident surface and a second light-exit surface facing away from each other. The second light-incident surface faces the first light-exit surface of the anti-glare layer. The specular reflectance of the optical film is smaller than or equal to 0.141% for a light ray incident to the second light-exit surface at an incident angle ranging from 10 degrees to 30 degrees.Type: ApplicationFiled: May 10, 2019Publication date: November 14, 2019Inventors: Yu-Hung Chen, Zong-Huei Tsai
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Patent number: 9880346Abstract: A light guide plate includes a light guide layer and a metal reflective layer. The light guide layer has a light emitting surface, a bottom surface and a light incident surface. The light incident surface is located between the light emitting surface and the bottom surface. The metal reflective layer is coated on the bottom surface of the light guide layer. Additionally, an average reflectance of the metal reflective layer for light in a wavelength range of 400 to 550 nanometers is greater than an average reflectance of the metal reflective layer for light in a wavelength range of 550 to 700 nanometers.Type: GrantFiled: July 21, 2015Date of Patent: January 30, 2018Assignee: AU OPTRONICS CORP.Inventors: Zong-Huei Tsai, Shau-Yu Tsai
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Patent number: 9348085Abstract: A light source module includes a plurality of light emitting units, and each of the light emitting units includes a reflection plate, a light extraction plate, a sidewall structure, a light source, and a diffusion plate. The light extraction plate has a plurality of first holes, and the light extraction plate and the reflection plate are opposite to each other. The sidewall structure having a plurality of second holes is located between the reflection plate and the light extraction plate, and the reflection plate, the light extraction plate, and the sidewall structure together constitute a first light guiding cavity. The light source is located in the first light guiding cavity and adjoins the sidewall structure. The diffusion plate is located above the light extraction plate, and a second light guiding cavity is formed between the light extraction plate and the diffusion plate.Type: GrantFiled: September 30, 2014Date of Patent: May 24, 2016Assignee: Au Optronics CorporationInventors: Chih-Wei Chien, Zong-Huei Tsai
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Publication number: 20160054509Abstract: A light guide plate includes a light guide layer and a metal reflective layer. The light guide layer has a light emitting surface, a bottom surface and a light incident surface. The light incident surface is located between the light emitting surface and the bottom surface. The metal reflective layer is coated on the bottom surface of the light guide layer. Additionally, an average reflectance of the metal reflective layer for light in a wavelength range of 400 to 550 nanometers is greater than an average reflectance of the metal reflective layer for light in a wavelength range of 550 to 700 nanometers.Type: ApplicationFiled: July 21, 2015Publication date: February 25, 2016Inventors: Zong-Huei Tsai, Shau-Yu Tsai
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Publication number: 20150098245Abstract: A light source module includes a plurality of light emitting units, and each of the light emitting units includes a reflection plate, a light extraction plate, a sidewall structure, a light source, and a diffusion plate. The light extraction plate has a plurality of first holes, and the light extraction plate and the reflection plate are opposite to each other. The sidewall structure having a plurality of second holes is located between the reflection plate and the light extraction plate, and the reflection plate, the light extraction plate, and the sidewall structure together constitute a first light guiding cavity. The light source is located in the first light guiding cavity and adjoins the sidewall structure. The diffusion plate is located above the light extraction plate, and a second light guiding cavity is formed between the light extraction plate and the diffusion plate.Type: ApplicationFiled: September 30, 2014Publication date: April 9, 2015Inventors: Chih-Wei Chien, Zong-Huei Tsai
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Publication number: 20140268806Abstract: A backlight module includes a reflective bottom surface, a light-exit top surface, and a light source module. The reflective bottom surface has a light-entrance side and the light source module is disposed along the light entrance side. The light-exit top surface is disposed opposite to the reflective bottom surface and sandwiches a mezzanine space with the reflective bottom surface. Light generated from the light source module enters the mezzanine space through the light-entrance side and is reflected by the reflective bottom surface to the light-exit top surface. The reflective bottom surface includes at least one first reflective surface and at least one second reflective surface arranged in intervals along an extending direction of the light-entrance side. A specular reflection ratio of the first reflective surface is greater than the specular reflection ratio of the second reflective surface.Type: ApplicationFiled: February 7, 2014Publication date: September 18, 2014Applicant: AU Optronics CorporationInventors: Zong-Huei Tsai, Shau-Yu Tsai
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Publication number: 20140185273Abstract: A backlight module for light field adjustment includes a light source module, an optical structure layer, a first prism film, and a second prism film. The light source module has a light exit surface, and the light exit surface has a normal direction. The optical structure layer is disposed on the light exit surface and has a plurality of microstructures convex toward the light exit surface, wherein the microstructures guide light generated from the light exit surface away from the normal direction. The first prism film is disposed on one side of the optical structure layer opposite to the light source module and has a plurality of first prisms extending along a first direction, wherein the first prisms converge light leaving from the optical structure layer toward the normal direction on a cross section vertical to the first direction.Type: ApplicationFiled: September 23, 2013Publication date: July 3, 2014Applicant: AU Optronics CorporationInventors: Zong-Huei Tsai, Chiung-Han Wang