Patents by Inventor Chen-Hao Su
Chen-Hao Su 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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Publication number: 20260160936Abstract: The present invention provides a light guide plate comprising a body portion and a light incident structure. The body portion has opposite first and second optical surfaces. The light incident structure is disposed on a light-incident side of the body portion and is integrally formed. The light incident structure includes a first reflective inclined surface, a second reflective inclined surface, and a first through groove. The first reflective inclined surface is connected to the first optical surface, and the second reflective inclined surface is connected to the first inclined surface and the second optical surface. The first through groove is adjacent to the reflective inclined surfaces and extends through the body portion along the light incident side. An opening of the first through groove accommodates a light source. The first and second reflective inclined surfaces are configured to reflect light emitted from the light source into the body portion.Type: ApplicationFiled: October 5, 2025Publication date: June 11, 2026Applicant: HANNSTAR DISPLAY CORPORATIONInventors: Chen-Hao SU, Chia-Feng TENG, Chin-Yung LIU
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Patent number: 12638632Abstract: A light source module including a light guide plate, a first light source and a plurality of optical microstructures is provided. The light guide plate has a first light incident surface, a first side surface and a first surface. The first light incident surface and the first side surface connect the first surface. The first surface has a first area and a second area. The second area is located between the first area and one of the first light incident surface and the first side surface. A first light source is disposed on one side of the first light incident surface of the light guide plate. A plurality of optical microstructures are disposed on the first surface. A distribution density of the plurality of optical microstructures in the first area is less than a distribution density of the plurality of optical microstructures in the second area.Type: GrantFiled: February 13, 2025Date of Patent: May 26, 2026Assignee: HannStar Display CorporationInventors: Yu-Chi Chiao, Hsu-Ho Wu, Chen-Hao Su, Chun-Ming Hsu, Yen-Chung Chen, Yung-Chih Wang, Chin-Hui Chen, Hsin Liang Lai, Heng-I Chang
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Publication number: 20260076477Abstract: A cabinet is disclosed in the present application. The cabinet includes a cabinet body, a chassis, a drawer module, and a locking mechanism. The chassis is provided in the cabinet body and can be withdrawn from the cabinet body. The drawer module is provided in the chassis and withdrawable from the chassis. The locking mechanism includes a first rotating member and a locking member. The first rotating member is rotatably disposed in the chassis and is in contact with the cabinet body. The locking member is movably disposed in the chassis to be located at or away from a rotation path of the first rotation member.Type: ApplicationFiled: November 27, 2024Publication date: March 19, 2026Inventors: KUN-YANG CHENG, KAI-SHENG CHANG, CHEN-HAO SU, FANG-XING YANG, LIANG GAO, WEN-TZU CHEN
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Publication number: 20260082502Abstract: A cabinet is disclosed in the present application. The cabinet includes a cabinet body, a chassis, a drawer module, and a locking mechanism. The chassis is provided in the cabinet body and can be withdrawn from the cabinet body. The drawer module is provided in the chassis and withdrawable from the chassis. The locking mechanism includes a rotating member and a locking member. The rotating member is rotatably disposed in the drawer module and is in contact with the chassis. The locking member is movably disposed in the chassis to be located at or away from a rotation path of the rotating member. The drawer module is restricted from being withdrawn from the chassis when the rotating member is abutted against the chassis. The drawer module is allowed to be withdrawn from the chassis when the rotating member is separated from the chassis.Type: ApplicationFiled: November 26, 2024Publication date: March 19, 2026Inventors: Kun-Yang Cheng, Kai-Sheng Chang, Chen-Hao Su, Fang-Xing Yang, Liang Gao, Wen-Tzu Chen
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Publication number: 20260010003Abstract: A light guide plate of a display apparatus including a first surface, a second surface and a plurality of optical microstructures is provided. The first surface and the second surface are arranged facing away from each other. The optical microstructures are protruded from the second surface, and each has a first optical surface and a second optical surface. A first included angle between the first optical surface and a virtual extension plane of the second surface is greater than or equal to 45 degrees and less than or equal to 90 degrees. A second included angle between the second optical surface and the virtual extension plane is greater than or equal to 30 degrees and less than or equal to 54 degrees. External light from one side of the second surface of the light guide plate is adapted to be transmitted to the first surface via the optical microstructures.Type: ApplicationFiled: November 24, 2024Publication date: January 8, 2026Applicant: HannStar Display CorporationInventors: Yu-Chi Chiao, Chen-Hao Su, Cheng-Yen Yeh, Chun-Ming Hsu, Yen-Chung Chen, Chin-Hui Chen
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Publication number: 20250393155Abstract: A storage device includes a housing, a first storage body, a second first storage body, a first structural assembly and a second structural assembly. The housing includes a bottom wall and sidewalls connected to the bottom wall. The first storage body is slidably connected to the sidewalls and can receive a first module. The second storage body is slidably connected to the sidewalls and can receive a second module. The first structural assembly is located in a first gap between the second storage body and the bottom wall, and connected to the first storage body and the bottom wall. The first structural assembly partially receives cables of the first module and can unfold. The second structural assembly is located in the first gap and connected to the second storage body and the bottom wall. The second structural assembly partially receives cables of the second module and can unfold.Type: ApplicationFiled: November 26, 2024Publication date: December 25, 2025Inventors: Chen-Hao Su, Fang-Xing Yang, Liang Gao, Kun-Yang Cheng, Kai-Sheng Chang, Wen-Tzu Chen
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Publication number: 20250362546Abstract: A display device includes a pixel array substrate, a color filter substrate, a liquid crystal layer, a polarizing layer, and a compensation film. The color filter substrate is disposed to overlap the pixel array substrate. The liquid crystal layer is disposed between the pixel array substrate and the color filter substrate, and has a liquid crystal optical axis. The polarizing layer is disposed on the color filter substrate, and has an absorption axis. The compensation film is disposed between the polarizing layer and the liquid crystal layer, and has a compensation film optical axis. A first included angle between the liquid crystal optical axis and the compensation film optical axis is within a range between 62.5 degrees to 65 degrees. A second included angle between the absorption axis and the liquid crystal optical axis is within a range between 80 degrees to 85 degrees or 5 degrees to 10 degrees.Type: ApplicationFiled: November 29, 2024Publication date: November 27, 2025Applicant: HannStar Display CorporationInventors: Chen-Hao Su, Cheng-Yen Yeh, Yu-Cheng Lin, Mu-Kai Kang, Ting Wei Liu, Chia-Yu Liu, Heng-I Chang, Shu Chan Hsiao
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Patent number: 12468202Abstract: A reflective display panel includes a first substrate and a second substrate. A thin film transistor and a reflective layer are disposed on the first substrate. A color resist layer is disposed on the second substrate. The reflective display panel includes a color sub-pixel region and a white sub-pixel region adjacent to each other. The color sub-pixel region has the color resist layer, and the white sub-pixel region has no color resist layer. A buffer layer is disposed in the white sub-pixel region on the first substrate or the second substrate. A cell gap between the first substrate and the second substrate in the white sub-pixel region is smaller than a cell gap between the first substrate and the second substrate in the color sub-pixel region. In this way, reflectivity and chromaticity can be improved.Type: GrantFiled: December 4, 2023Date of Patent: November 11, 2025Assignee: HannStar Display CorporationInventors: Wei-Chih Hsu, Ding-Wei Liu, Yen-Chung Chen, Cheng-Yen Yeh, Chen-Hao Su
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Publication number: 20250291103Abstract: A light source module including a light guide plate, a first light source and a plurality of optical microstructures is provided. The light guide plate has a first light incident surface, a first side surface and a first surface. The first light incident surface and the first side surface connect the first surface. The first surface has a first area and a second area. The second area is located between the first area and one of the first light incident surface and the first side surface. A first light source is disposed on one side of the first light incident surface of the light guide plate. A plurality of optical microstructures are disposed on the first surface. A distribution density of the plurality of optical microstructures in the first area is less than a distribution density of the plurality of optical microstructures in the second area.Type: ApplicationFiled: February 13, 2025Publication date: September 18, 2025Applicant: HannStar Display CorporationInventors: Yu-Chi Chiao, Hsu-Ho Wu, Chen-Hao Su, Chun-Ming Hsu, Yen-Chung Chen, Yung-Chih Wang, Chin-Hui Chen, Hsin Liang Lai, Heng-I Chang
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Patent number: 12419111Abstract: A display device has a display area and a peripheral area, and includes an array substrate. The array substrate includes M number of pixel unit columns disposed in the display area and a first dummy electrode disposed in the peripheral area, where M is a positive integer greater than or equal to 2. The M number of pixel unit columns include a first pixel unit column to an Mth pixel unit column arranged in sequence. Each of the M number of pixel unit columns includes a plurality of pixel units arranged in sequence. The first dummy electrode is located on one side of the first pixel unit column. During a frame period, the first pixel unit column receives the first pixel signal, and the first dummy electrode receives the first dummy signal. The polarity of the first pixel signal is different from that of the first dummy signal.Type: GrantFiled: July 1, 2024Date of Patent: September 16, 2025Assignee: HannStar Display CorporationInventors: Chung-Lin Chang, Hsuan-Chen Liu, Yu-Cheng Lin, Chen-Hao Su
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Publication number: 20250251629Abstract: A reflective display panel includes a first substrate, a second substrate, pixel structures, spacers, a first alignment layer, a second alignment layer, a liquid crystal layer, and light shielding patterns. The pixel structures are disposed on the first substrate. The spacers and the liquid crystal layer are disposed between the first and second substrates. The first alignment layer is disposed on the first substrate and has a first alignment direction. The second alignment layer is disposed on the second substrate and has a second alignment direction. Each spacer has a first side edge and a second side edge facing away from each other and sequentially arranged along the first or second alignment direction. In a stacking direction of the first and second substrates, each light shielding pattern overlaps with the second side edge of one of the spacers, but does not overlap with the first side edge thereof.Type: ApplicationFiled: October 29, 2024Publication date: August 7, 2025Applicant: HannStar Display CorporationInventors: Yu-Chi Chiao, Chen-Hao Su, Cheng-Yen Yeh, Hsuan-Chen Liu, Chih-Pin Lin, Ling Chih Kao
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Publication number: 20250251630Abstract: A display panel includes a first substrate, a second substrate, a plurality of pixel structures, a plurality of color filter patterns, a plurality of spacers, and a liquid crystal layer. The pixel structures are disposed on the first substrate, and each pixel structure includes a reflective electrode. The color filter patterns respectively overlap the reflective electrodes of the pixel structures. The spacers and the liquid crystal layer are disposed between the first substrate and the second substrate. The pixel structures include a first pixel structure, the spacers include a first spacer, and the color filter patterns include a first color filter pattern. The reflective electrode of the first pixel structure of the pixel structures overlaps the first spacer of the spacers and the first color filter pattern of the color filter patterns, and at least a portion of the first spacer does not overlap the first color filter pattern.Type: ApplicationFiled: November 5, 2024Publication date: August 7, 2025Applicant: HannStar Display CorporationInventors: Yu-Chi Chiao, Chen-Hao Su, Cheng-Yen Yeh, Mu-Kai Kang, Chung Lin Chang
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Publication number: 20250180942Abstract: A display device includes a display, a light-controlling module, a first light source, a second light source, and a third light source. The light-controlling module is disposed under the display panel and includes a first light guide, a second light guide and a diffusion structure. The first light guide includes first microstructures extending in a first direction and arranged in a second direction. The second light guide is disposed on the first light guide, and includes second microstructures extending in the second direction and arranged in the first direction. The diffusion structure is disposed on the second light guide and includes diffusion microstructures. The first light source is disposed on opposite sides of the first light guide in the first direction. The second light source is disposed on opposite sides of the second light guide in the second direction. The third light source is disposed under the first light guide.Type: ApplicationFiled: September 1, 2024Publication date: June 5, 2025Applicant: HANNSTAR DISPLAY CORPORATIONInventors: Chen-Hao Su, Chia-Feng Teng, Chin-Wei Lin, Chin-Yung Liu
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Publication number: 20250107234Abstract: A display device has a display area and a peripheral area, and includes an array substrate. The array substrate includes M number of pixel unit columns disposed in the display area and a first dummy electrode disposed in the peripheral area, where M is a positive integer greater than or equal to 2. The M number of pixel unit columns include a first pixel unit column to an Mth pixel unit column arranged in sequence. Each of the M number of pixel unit columns includes a plurality of pixel units arranged in sequence. The first dummy electrode is located on one side of the first pixel unit column. During a frame period, the first pixel unit column receives the first pixel signal, and the first dummy electrode receives the first dummy signal. The polarity of the first pixel signal is different from that of the first dummy signal.Type: ApplicationFiled: July 1, 2024Publication date: March 27, 2025Inventors: Chung-Lin CHANG, Hsuan-Chen LIU, Yu-Cheng LIN, Chen-Hao SU
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Patent number: 12189171Abstract: A display apparatus including a display panel, a first light source module, and a second light source module is disclosed. The display panel has a display surface and a back surface away from the display surface. The first light source module is disposed on a side of one of the display surface and the back surface of the display panel, and overlaps the display surface. The second light source module is disposed on a side of the other one of the display surface and the back surface of the display panel, and overlaps the display surface.Type: GrantFiled: November 26, 2023Date of Patent: January 7, 2025Assignee: HannStar Display CorporationInventors: Chen-Hao Su, Chin-Wei Lin, Chin-Yung Liu
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Publication number: 20240353611Abstract: A display apparatus including a display panel, a first light source module, and a second light source module is disclosed. The display panel has a display surface and a back surface away from the display surface. The first light source module is disposed on a side of one of the display surface and the back surface of the display panel, and overlaps the display surface. The second light source module is disposed on a side of the other one of the display surface and the back surface of the display panel, and overlaps the display surface.Type: ApplicationFiled: November 26, 2023Publication date: October 24, 2024Applicant: HannStar Display CorporationInventors: Chen-Hao Su, Chin-Wei Lin, Chin-Yung Liu
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Publication number: 20240241414Abstract: A reflective display panel includes a first substrate and a second substrate. A thin film transistor and a reflective layer are disposed on the first substrate. A color resist layer is disposed on the second substrate. The reflective display panel includes a color sub-pixel region and a white sub-pixel region adjacent to each other. The color sub-pixel region has the color resist layer, and the white sub-pixel region has no color resist layer. A buffer layer is disposed in the white sub-pixel region on the first substrate or the second substrate. A cell gap between the first substrate and the second substrate in the white sub-pixel region is smaller than a cell gap between the first substrate and the second substrate in the color sub-pixel region. In this way, reflectivity and chromaticity can be improved.Type: ApplicationFiled: December 4, 2023Publication date: July 18, 2024Inventors: Wei-Chih HSU, Ding-Wei LIU, Yen-Chung CHEN, Cheng-Yen YEH, Chen-Hao SU
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Publication number: 20230066074Abstract: The disclosure provides a display panel including a first substrate, multiple scan lines, multiple data lines, and multiple pixel structures. The scan lines and the data lines are disposed on the first substrate and intersect each other. One of the pixel structures includes an active element, a pixel electrode, a capacitor electrode, a common electrode, and a repair pattern. The active element includes a source, a drain, and a gate. The gate is electrically connected to one of the scan lines. The source is electrically connected to one of the data lines. The pixel electrode is electrically connected to the drain of the active element. The capacitor electrode is electrically connected to the pixel electrode and extends from the drain. The common electrode overlaps the pixel electrode and the capacitor electrode. The repair pattern overlaps one of the scan lines as well as the common electrode, and the pixel electrode.Type: ApplicationFiled: August 11, 2022Publication date: March 2, 2023Applicant: HannStar Display CorporationInventors: Chung Lin Chang, Hsuan-Chen Liu, Cheng-Yen Yeh, Yu-Cheng Lin, Chen-Hao Su
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Patent number: 11536437Abstract: The backlight module includes multiple backlight units. Each backlight unit includes a first light emitting unit and multiple second light emitting units. The first light emitting unit has a first beam angle, and each second light emitting unit has a second beam angle which is narrower than the first beam angle. In a first mode, a light intensity of the first light emitting unit is equal to a first intensity, and a light intensity of the second light emitting units is equal to a second intensity. In a second mode, the light intensity of the first light emitting unit is equal to a third intensity, and the light intensity of the second light emitting units is equal to a fourth intensity. The first intensity is greater than the third intensity, and the second intensity is less than the fourth intensity.Type: GrantFiled: April 28, 2022Date of Patent: December 27, 2022Assignees: HannStar Display (Nanjing) Corporation, HannStar Display CorporationInventors: Chen-Hao Su, Chia-Feng Teng, Chin-Yung Liu
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Publication number: 20220381417Abstract: The backlight module includes multiple backlight units. Each backlight unit includes a first light emitting unit and multiple second light emitting units. The first light emitting unit has a first beam angle, and each second light emitting unit has a second beam angle which is narrower than the first beam angle. In a first mode, a light intensity of the first light emitting unit is equal to a first intensity, and a light intensity of the second light emitting units is equal to a second intensity. In a second mode, the light intensity of the first light emitting unit is equal to a third intensity, and the light intensity of the second light emitting units is equal to a fourth intensity. The first intensity is greater than the third intensity, and the second intensity is less than the fourth intensity.Type: ApplicationFiled: April 28, 2022Publication date: December 1, 2022Inventors: Chen-Hao Su, Chia-Feng Teng, Chin-Yung Liu