Patents by Inventor Chao-Hung Weng
Chao-Hung Weng 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: 12282178Abstract: An optical film includes a grid layer having a first surface, a second surface, light-shading portions, and light-transmitting portions. The light-shading portions and the light-transmitting portions are located between the first surface and the second surface, and the light-shading portions and the light-transmitting portions are alternately arranged along the first surface. Each light-shading portion has a third surface, a fourth surface, a fifth surface, a sixth surface, and a seventh surface. An angle between the fourth and third surfaces is A1, an angle between the fifth and third surfaces is A2, an angle between the sixth and second surfaces is A3, and an angle between the seventh and second surfaces is A4. Wherein 85°<A1?90°, 85°<A2?90°, 0°<A3<85°, 0°<A4<85°, A2?A4, and A1?A3. A display device is also provided.Type: GrantFiled: June 3, 2024Date of Patent: April 22, 2025Assignee: Coretronic CorporationInventors: Chao-Hung Weng, Hung-Tse Lin, Kuan-Wen Liu, Hao-Jan Kuo, Ming-Dah Liu
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Publication number: 20250035834Abstract: A display device including a display module and an illuminating module is disclosed. The illuminating module is disposed on a display surface of the display module, and includes a light source, a light guide plate, and an optical film. The optical film is disposed between the display module and the light guide plate, and includes a basal layer and a microstructure layer. The microstructure layer is disposed between a surface of the basal layer and the light guide plate, and includes multiple microstructures. Each microstructure includes a first surface and a second surface. A first angle is between the first surface and a datum plane. A second angle is between the second surface and the datum plane. The first angle and the second angle are greater than or equal to 40 degrees and less than or equal to 90 degrees.Type: ApplicationFiled: July 11, 2024Publication date: January 30, 2025Applicant: Coretronic CorporationInventors: Chao-Hung Weng, Hung-Tse Lin, Ching-Nan Chuang, Hao-Jan Kuo, Ming-Dah Liu
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Publication number: 20240411063Abstract: An optical film includes a grid layer having a first surface, a second surface, light-shading portions, and light-transmitting portions. The light-shading portions and the light-transmitting portions are located between the first surface and the second surface, and the light-shading portions and the light-transmitting portions are alternately arranged along the first surface. Each light-shading portion has a third surface, a fourth surface, a fifth surface, a sixth surface, and a seventh surface. An angle between the fourth and third surfaces is A1, an angle between the fifth and third surfaces is A2, an angle between the sixth and second surfaces is A3, and an angle between the seventh and second surfaces is A4. Wherein 85°<A1?90°, 85°<A2?90°, 0°<A3<85°, 0°<A4<85°, A2?A4, and A1?A3. A display device is also provided.Type: ApplicationFiled: June 3, 2024Publication date: December 12, 2024Inventors: CHAO-HUNG WENG, HUNG-TSE LIN, KUAN-WEN LIU, HAO-JAN KUO, MING-DAH LIU
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Publication number: 20240402412Abstract: A backlight module includes a light guide plate, a light source, an optical film, and first and second prism sheets. The light source and the optical film are respectively located on a light incident surface and a light exit surface of the light guide plate. The optical film includes a substrate and optical microstructures including first and second inclined surfaces and having an extending direction parallel to the light incident surface. There are respectively first and second base angles between the first and second inclined surfaces and a surface of the substrate. An angle range of the first and second base angles is 50 to 70 degrees. The first and second prism sheets t each have prism structures. An angle range of an included angle between extending directions of the optical microstructures and the prism structures is 85 to 95 degrees. A display device having the backlight module is proposed.Type: ApplicationFiled: May 26, 2024Publication date: December 5, 2024Applicant: Coretronic CorporationInventors: Kuan-Wen Liu, Chao-Hung Weng, Hao-Jan Kuo, Ming-Dah Liu
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Publication number: 20240385363Abstract: A backlight module, including a light guide element, a light source, and first and second optical elements, is provided. The first optical element is disposed on a side of a light exit surface of the light guide element. The first optical element includes first prism structures, each including a first base angle and a second base angle away from the light incident surface relative to the first base angle. The first base angle is different from the second base angle. The second optical element is disposed on a side of the light exit surface. The first optical element is located between the light guide element and the second optical element. The second optical element includes second prism structures, each including a third base angle and a fourth base angle away from the light incident surface relative to the third base angle. A display device is also provided.Type: ApplicationFiled: May 9, 2024Publication date: November 21, 2024Applicant: Coretronic CorporationInventors: Chao-Hung Weng, Kuan-Wen Liu, Hao-Jan Kuo, Ming-Dah Liu
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Patent number: 12147121Abstract: A backlight module includes a light-emitting element, a quantum dot film, an optical film and a light adjusting element. The light-emitting element is adapted to emit a blue light. The quantum dot film is adapted to converting a first portion and a second portion of the blue light into a red light and a green light, respectively. The optical film is disposed on the quantum dot film. The light adjusting element is disposed between the optical film and the quantum dot film. The light adjusting element has a first surface and a second surface respectively facing the quantum dot film and the optical film. The first surface has multiple first optical microstructures. The first optical microstructures include multiple cones protruding toward the quantum dot film. Moreover, a display apparatus including the backlight module is also provided.Type: GrantFiled: October 27, 2022Date of Patent: November 19, 2024Assignees: Nano Precision (SuZhou) CO., LTD., Coretronic CorporationInventors: Wen-Yen Chiu, Chao-Hung Weng, Ming-Dah Liu, Hsin-Wei Chen, Yue-Feng Yang
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Patent number: 12013564Abstract: A light source module and a display device are provided. The light source module includes a light source, a light guide plate, and an optical film set including multiple first optical microstructures having a first surface, multiple second optical microstructures having a second surface, and multiple third optical microstructures having a third surface. Each of the multiple first optical microstructures has a first vertex angle, each of the multiple second optical microstructures has a second vertex angle, and each of the multiple third optical microstructures has a third vertex angle. The third vertex angle is less than the first vertex angle, and the first vertex angle is less than or equal to the second vertex angle. By configuring the aforementioned optical microstructures, the light source module of the disclosure may greatly improve the collimation of light and has favorable luminance.Type: GrantFiled: October 16, 2023Date of Patent: June 18, 2024Assignee: Coretronic CorporationInventors: Hsin-Wei Chen, Wen-Yen Chiu, Chao-Hung Weng, Ming-Dah Liu
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Publication number: 20240126003Abstract: A light source module and a display device are provided. The light source module includes a light source, a light guide plate, and an optical film set including multiple first optical microstructures having a first surface, multiple second optical microstructures having a second surface, and multiple third optical microstructures having a third surface. Each of the multiple first optical microstructures has a first vertex angle, each of the multiple second optical microstructures has a second vertex angle, and each of the multiple third optical microstructures has a third vertex angle. The third vertex angle is less than the first vertex angle, and the first vertex angle is less than or equal to the second vertex angle. By configuring the aforementioned optical microstructures, the light source module of the disclosure may greatly improve the collimation of light and has favorable luminance.Type: ApplicationFiled: October 16, 2023Publication date: April 18, 2024Applicant: Nano Precision Taiwan LimitedInventors: Hsin-Wei Chen, Wen-Yen Chiu, Chao-Hung Weng, Ming-Dah Liu
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Publication number: 20230221483Abstract: A light source module includes a light guide plate, light emitting elements, a prism sheet and a reflective sheet. The light guide plate has a light incident surface, a light emitting surface and a bottom surface. The light incident surface is connected to the light emitting surface and the bottom surface. The light emitting elements are disposed beside the light incident surface. The prism sheet is disposed beside the light emitting surface and includes prism pillars. The reflective sheet is disposed beside the bottom surface and includes a substrate and pyramidal structures. The substrate has a reflective surface. The pyramidal structures are disposed on the reflective surface. Each pyramidal structure has optical side surfaces. Each optical side surface has a bottom edge connected to the reflective surface. One optical side surface faces the light incident surface, and the respective bottom edge is parallel to the light incident surface.Type: ApplicationFiled: January 4, 2023Publication date: July 13, 2023Inventors: WEN-YEN CHIU, HSIN-WEI CHEN, CHAO-HUNG WENG, MING-DAH LIU, YUE-FENG YANG
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Publication number: 20230133614Abstract: A backlight module includes a light-emitting element, a quantum dot film, an optical film and a light adjusting element. The light-emitting element is adapted to emit a blue light. The quantum dot film is adapted to converting a first portion and a second portion of the blue light into a red light and a green light, respectively. The optical film is disposed on the quantum dot film. The light adjusting element is disposed between the optical film and the quantum dot film. The light adjusting element has a first surface and a second surface respectively facing the quantum dot film and the optical film. The first surface has multiple first optical microstructures. The first optical microstructures include multiple cones protruding toward the quantum dot film. Moreover, a display apparatus including the backlight module is also provided.Type: ApplicationFiled: October 27, 2022Publication date: May 4, 2023Applicants: Nano Precision (SuZhou) CO., LTD., Nano Precision Taiwan LimitedInventors: Wen-Yen Chiu, Chao-Hung Weng, Ming-Dah Liu, Hsin-Wei Chen, Yue-Feng Yang
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Patent number: 11107791Abstract: A semiconductor package structure includes a conductive structure, a first semiconductor chip, a second semiconductor chip, a first encapsulant and an upper semiconductor chip. The first semiconductor chip is electrically connected to the conductive structure. The first semiconductor chip includes at least one first conductive element disposed adjacent to a second surface thereof. The second semiconductor chip is electrically connected to the conductive structure and disposed next to the first semiconductor chip. The second semiconductor chip includes at least one second conductive element disposed adjacent to a second surface thereof. The first encapsulant is disposed on the conductive structure to cover the first semiconductor chip and the second semiconductor chip. The first conductive element and the second conductive element are exposed from the first encapsulant.Type: GrantFiled: March 14, 2019Date of Patent: August 31, 2021Assignee: ADVANCED SEMICONDUCTOR ENGINEERING, INC.Inventors: Fan-Yu Min, Chao-Hung Weng, Wei-Hang Tai, Chen-Hung Lee, Yu-Yuan Yeh
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Patent number: 10943800Abstract: An apparatus for packaging a semiconductor device is provided. The apparatus includes a first mold, a second mold and a support element. The first mold includes a plate. The second mold includes a carrier disposed corresponding to the plate. The carrier defines a hole penetrating the carrier. The support element is engaged with the hole for supporting an object to be molded.Type: GrantFiled: April 18, 2017Date of Patent: March 9, 2021Assignee: ADVANCED SEMICONDUCTOR ENGINEERING, INC.Inventors: Fan-Yu Min, Chao-Hung Weng, Liang-Chun Chen
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Patent number: 10859760Abstract: A light guide plate has a light-incident surface, a bottom surface, a light-emitting surface, first microstructures and second microstructures. The bottom surface is opposite to the light-emitting surface, the light-incident surface is connected between the bottom surface and the light-emitting surface. The first microstructures protrude from the bottom surface and are arranged at intervals along a direction parallel to the light-incident surface and extend from the light-incident surface in a predetermined direction. The second microstructures are disposed between the first microstructures away from the light-incident surface, and each them includes light-adjusting blocks protruding from the bottom surface and arranged along the predetermined direction. Each first microstructure has a first height, and each light-adjusting block has a second height smaller than the first height. The light guide plate has a reduced horizontal viewing angle and a maintained luminance.Type: GrantFiled: September 26, 2019Date of Patent: December 8, 2020Assignee: Nano Precision Taiwan LimitedInventors: Chao-Hung Weng, Ming-Dah Liu, Hung-Tse Lin
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Publication number: 20200294964Abstract: A semiconductor package structure includes a conductive structure, a first semiconductor chip, a second semiconductor chip, a first encapsulant and an upper semiconductor chip. The first semiconductor chip is electrically connected to the conductive structure. The first semiconductor chip includes at least one first conductive element disposed adjacent to a second surface thereof. The second semiconductor chip is electrically connected to the conductive structure and disposed next to the first semiconductor chip. The second semiconductor chip includes at least one second conductive element disposed adjacent to a second surface thereof. The first encapsulant is disposed on the conductive structure to cover the first semiconductor chip and the second semiconductor chip. The first conductive element and the second conductive element are exposed from the first encapsulant.Type: ApplicationFiled: March 14, 2019Publication date: September 17, 2020Applicant: Advanced Semiconductor Engineering, Inc.Inventors: Fan-Yu MIN, Chao-Hung WENG, Wei-Hang TAI, Chen-Hung LEE, Yu-Yuan YEH
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Publication number: 20200103585Abstract: A light guide plate has a light-incident surface, a bottom surface, a light-emitting surface, first microstructures and second microstructures. The bottom surface is opposite to the light-emitting surface, the light-incident surface is connected between the bottom surface and the light-emitting surface. The first microstructures protrude from the bottom surface and are arranged at intervals along a direction parallel to the light-incident surface and extend from the light-incident surface in a predetermined direction. The second microstructures are disposed between the first microstructures away from the light-incident surface, and each them includes light-adjusting blocks protruding from the bottom surface and arranged along the predetermined direction. Each first microstructure has a first height, and each light-adjusting block has a second height smaller than the first height. The light guide plate has a reduced horizontal viewing angle and a maintained luminance.Type: ApplicationFiled: September 26, 2019Publication date: April 2, 2020Inventors: CHAO-HUNG WENG, MING-DAH LIU, HUNG-TSE LIN
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Patent number: 10598847Abstract: A light source module includes a light guide plate, a light source, a first prism sheet, a second prism sheet and a third prism sheet. The light guide plate includes a light emitting surface, a bottom surface and a light incident surface. The light source is disposed on the light incident surface and emits a beam into the light guide plate through the light incident surface. The first prism sheet is disposed on the light emitting surface and includes a plurality of first prism units located between the light emitting surface and the second prism sheet. The second prism sheet includes a plurality of second prism units extending in a first direction and located between the first prism sheet and the third prism sheet. The third prism sheet includes a plurality of third prism units extending in a second direction. The first direction is perpendicular to the second direction.Type: GrantFiled: January 18, 2018Date of Patent: March 24, 2020Assignee: Nano Precision Taiwan LimitedInventors: Ming-Ta Ke, Chao-Hung Weng, Hao-Jan Kuo
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Patent number: 10502885Abstract: A light source module includes a light guide plate, a light source, a first prism sheet and a reflection sheet. The light guide plate includes a light exit surface, a bottom surface opposite to the light exit surface, and a light entrance surface connected to the light exit surface and the bottom surface. The light source is disposed beside the light entrance surface and adapted to emit a light beam to the light entrance surface. The first prism sheet is disposed on the light exit surface and includes first prism units. A surface of the first prism units faces away from the light exit surface. The reflection sheet is disposed on the bottom surface. The light guide plate is located between the reflection sheet and the first prism sheet. The reflection sheet includes microstructures. A surface of the microstructures faces the bottom surface of the light guide plate.Type: GrantFiled: April 27, 2017Date of Patent: December 10, 2019Assignee: Nano Precision Taiwan LimitedInventors: Hao-Jan Kuo, Chao-Hung Weng, Ming-Ta Ke
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Patent number: 10488575Abstract: A light turning film includes a light incident surface with first and second pluralities of first optical microstructures and a plurality of second optical microstructures; and a light emitting surface opposite to the light incident surface. The first optical microstructures and the second optical microstructures protrude outward from the light turning film, such that the height of one of the first and second optical structures is equal to or less than two thirds of the height of the other one of the first and second optical structures. The light turning film might be included in a light source module for a display apparatus.Type: GrantFiled: January 11, 2017Date of Patent: November 26, 2019Assignee: Nano Precision Taiwan LimitedInventors: Ming-Dah Liu, Chao-Hung Weng
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Publication number: 20180301361Abstract: An apparatus for packaging a semiconductor device is provided. The apparatus includes a first mold, a second mold and a support element. The first mold includes a plate. The second mold includes a carrier disposed corresponding to the plate. The carrier defines a hole penetrating the carrier. The support element is engaged with the hole for supporting an object to be molded.Type: ApplicationFiled: April 18, 2017Publication date: October 18, 2018Applicant: Advanced Semiconductor Engineering, Inc.Inventors: Fan-Yu MIN, Chao-Hung WENG, Liang-Chun CHEN
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Publication number: 20180292598Abstract: A light source module includes a light guide plate, a light source, a first prism sheet, a second prism sheet and a third prism sheet. The light guide plate includes a light emitting surface, a bottom surface and a light incident surface. The light source is disposed on the light incident surface and emits a beam into the light guide plate through the light incident surface. The first prism sheet is disposed on the light emitting surface and includes a plurality of first prism units located between the light emitting surface and the second prism sheet. The second prism sheet includes a plurality of second prism units extending in a first direction and located between the first prism sheet and the third prism sheet. The third prism sheet includes a plurality of third prism units extending in a second direction. The first direction is perpendicular to the second direction.Type: ApplicationFiled: January 18, 2018Publication date: October 11, 2018Inventors: Ming-Ta Ke, Chao-Hung Weng, Hao-Jan Kuo