Patents Assigned to RADIANT (GUANGZHOU) OPTO-ELECTRONICS CO., LTD.
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Patent number: 11774663Abstract: A light guide plate includes a main body, stripe structures, and light-adjusting structures. The main body includes a light-incident surface and an optical surface. The stripe structures are disposed on the optical surface. The light-adjusting structures are disposed between two adjacent stripe structures. Each of the light-adjusting structures includes a first light active surface and a second light active surface. The first light active surface faces towards the light-incident surface. The second light active surface faces towards an opposite light-incident surface. The first light active surface and the second light active surface are inclined towards different directions and formed a non-symmetrical shape. A first included angle is formed between the first light active surface and the optical surface. A second included angle is formed between the second light active surface and the optical surface. The first included angle and the second included angle are acute angles.Type: GrantFiled: October 28, 2022Date of Patent: October 3, 2023Assignees: RADIANT(GUANGZHOU) OPTO-ELECTRONICS CO., LTD, RADIANT OPTO-ELECTRONICS CORPORATIONInventors: Chia-Yin Chang, Chin-Ting Weng, Hao Chen, Yi-Ching Chung
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Patent number: 11719977Abstract: A light reflecting structure, a backlight module, and a display device are provided. The light reflecting structure is configured to reflect light emitted from plural light emitting units. The light reflecting structure includes a bottom portion and plural sidewall portions. The sidewall portions are erected on the bottom portion. The sidewall portions respectively and correspondingly surround the light-emitting units, and the light emitted from each of the light-emitting units can be directed to a light reflecting surface corresponding to each of the sidewall portions to be reflected outward. A distance P is defined between any two adjacent sidewall portions, and each of the sidewall portions has a height H1. The distance P and the height H1 satisfy a first inequality, and the first inequality is H1<P/2Ă—tan ?. ? represents a complementary angle of a half light-intensity angle of each of the light-emitting units.Type: GrantFiled: January 11, 2022Date of Patent: August 8, 2023Assignees: Radiant(Guangzhou) Opto-Electronics Co., Ltd, Radiant Opto-Electronics CorporationInventors: Hui-Yu Huang, Hsiu-Yi Lai, Shih-Cheng Hsiao, Shu-An Tsai, Pei-Ling Kao, I-Cheng Liu
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Patent number: 11681089Abstract: An optical film is disclosed. The optical film is divided into a main body and two extending portions arranged along a second direction by two imaginary lines which are extended along a first direction and parallel to each other, wherein the second direction is substantially perpendicular to the first direction. The main body is located between the two extending portions. Each of the extending portions has an abutting edge. A first length W0 of the main body along the first direction is greater than a second length W1 of the abutting edge along the first direction.Type: GrantFiled: April 7, 2022Date of Patent: June 20, 2023Assignees: RADIANT(GUANGZHOU) OPTO-ELECTRONICS CO., LTD, RADIANT OPTO-ELECTRONICS CORPORATIONInventors: Yi-Jen Chiu, Sung-Fu Wu, Ying-Ting Chen
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Patent number: 11624951Abstract: A frame assembly includes a carrier and a frame. The carrier includes a bottom wall, and inner and outer side walls. The bottom wall is formed with an opening. The inner side wall is located in the opening. The inner and outer side walls extend from the bottom wall along an upright direction. The inner and outer side walls respectively include first inner and outer engaging structures. The outer side wall is spaced from the inner side wall. The frame includes a frame body, and inner and outer lateral walls. The inner and outer lateral walls extend from the frame body and respectively include second inner and outer engaging structures. The outer lateral wall is spaced from the inner lateral wall. The first and second inner engaging structures are engaged with each other, and the first and second outer engaging structures are engaged with each other.Type: GrantFiled: December 9, 2021Date of Patent: April 11, 2023Assignees: RADIANT(GUANGZHOU) OPTO-ELECTRONICS CO., LTD, RADIANT OPTO-ELECTRONICS CORPORATIONInventors: Teng-Yi Huang, Chih-Chan Chen, Tsung-Chen Tung, Che-Chia Hsu, Chin-Cheng Hsieh, Yung-Chieh Chao, Chih-Hung Chung
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Patent number: 11531154Abstract: A backlight module and a display device are provided. The backlight module includes an optical film and a light source. The optical film includes a main body and optical structures. The main body has a light-emitting surface, an optical surface, a first side surface and a second side surface. The optical structures are disposed on the main body. Each of optical structures has a first surface and a second surface. The first surface is inclined relative to the optical surface. A first angle is formed between the first surface and the optical surface. The second surface is inclined relative to the optical surface, and a second angle is formed between the second surface and the optical surface. The first angles and the second angles are acute angles, and the first angles of the optical structures vary along a first direction from the first side surface to the second side surface.Type: GrantFiled: August 27, 2021Date of Patent: December 20, 2022Assignees: Radiant(Guangzhou) Opto-Electronics Co., Ltd, Radiant Opto-Electronics CorporationInventors: Chia-Yin Chang, Po-Chang Huang, Kun-Cheng Lin
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Patent number: 11525952Abstract: A light guide plate includes a main body, stripe structures, and light-adjusting structures. The main body includes a light-incident surface and an optical surface. The stripe structures are disposed on the optical surface. The light-adjusting structures are disposed between two adjacent stripe structures. Each of the light-adjusting structures includes a first light active surface and a second light active surface. The first light active surface faces towards the light-incident surface. The second light active surface faces towards an opposite light-incident surface. The first light active surface and the second light active surface are inclined towards different directions and formed a non-symmetrical shape. A first included angle is formed between the first light active surface and the optical surface. A second included angle is formed between the second light active surface and the optical surface. The first included angle and the second included angle are acute angles.Type: GrantFiled: May 17, 2021Date of Patent: December 13, 2022Assignees: RADIANT(GUANGZHOU) OPTO-ELECTRONICS CO., LTD, RADIANT OPTO-ELECTRONICS CORPORATIONInventors: Chia-Yin Chang, Chin-Ting Weng, Hao Chen, Yi-Ching Chung
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Patent number: 11320580Abstract: A light directing sheet includes a light-incident side and a light-exit side opposite to the light-incident side. The light-exit side can be divided into a middle area and two side areas along an X-axis direction. The side areas are located on both sides of the middle area. A plurality of strip structures are protruded and arranged on each of the side areas, and the strip structures are arranged along the direction of the X axis and elongated along the direction of a Y axis perpendicular to the X axis. The strip structures are in a staggered arrangement of high microstructures and low microstructures with a height lower than the high microstructures. Through the type and arrangement of the strip structures on the light directing sheet, the light with an excessively large angle can be refracted again. A backlight module and a display device include the light directing sheet.Type: GrantFiled: June 2, 2021Date of Patent: May 3, 2022Assignees: RADIANT (GUANGZHOU) OPTO-ELECTRONICS CO. LTD., RADIANT OPTO-ELECTRONICS CORPORATIONInventors: Wei-Hsuan Chen, Yung-Hui Tai
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Patent number: 11320583Abstract: A backlight module comprises a frame unit, a plurality of light-emitting units, a first optical unit and a second optical unit. The frame unit includes a metal rear frame. The metal rear frame has a first carrying portion, and a second carrying portion spaced from the first carrying portion. The first carrying portion and the second carrying portion are not at the same height. One of the plurality of light-emitting units is disposed on the first carrying portion, and another one of the plurality of light-emitting units is disposed on the second carrying portion. The first optical unit is configured to receive the light generated from the light-emitting unit disposed on the first carrying portion, and the second optical unit is configured to receive the light generated from the light-emitting unit disposed on the second carrying portion. Through the structure of the metal rear frame, the light-emitting unit can directly contact the metal rear frame and the heat dissipation efficiency can be enhanced.Type: GrantFiled: August 13, 2020Date of Patent: May 3, 2022Assignees: RADIANT(GUANGZHOU) OPTO-ELECTRONICS CO, LTD, RADIANT OPTO-ELECTRONICS CORPORATIONInventors: Lin-Yu Huang, Yi-Shan Lin, Ching-Chieh Yeh
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Patent number: 11300818Abstract: A frame assembly is adapted to fix at least a film, an outer edge of the film is provided with at least a first assembly portion, and the frame assembly comprises a back plate, a frame unit, and at least a fixing unit. The frame unit includes an outer frame portion disposed outside an outer edge of the back plate, and a holding portion connected to the outer frame portion, wherein the holding portion has a bottom surface and a top surface opposite to the bottom surface. The fixing unit is combined with the bottom surface of the holding portion, and the fixing unit includes a second assembly portion that is not covered by the holding portion and combined with the first assembly portion of the film, so that the film is fixed in the frame assembly.Type: GrantFiled: December 18, 2019Date of Patent: April 12, 2022Assignees: RADIANT(GUANGZHOU) OPTO-ELECTRONICS CO., LTD, RADIANT OPTO-ELECTRONICS CORPORATIONInventors: Ming-Cheng Lin, Yung-Chieh Chao, Cheng-An Hsu, Kuo-Hsuan Lu
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Patent number: 11156864Abstract: A backlight module includes a carrying member, a light source, a light guide plate, a fixing frame and an outer component. The light source is disposed on the carrying member. The light guide plate is disposed on the carrying member, in which a light-incident surface of the light guide plate is disposed adjacent to the light source. The fixing frame fixed on a bottom portion of the carrying member along a first direction. The outer component is fixed on the fixing frame along a second direction.Type: GrantFiled: December 25, 2020Date of Patent: October 26, 2021Assignees: Radiant(Guangzhou) Opto-Electronics Co., Ltd, Radiant Opto-Electronics CorporationInventors: Teng-Yi Huang, Yung-Chieh Chao
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Patent number: 11156341Abstract: A backlight module and a display device are provided. The backlight module includes a light source structure and at least one optical film. The optical film is disposed above the light source structure. The optical film includes a main body and plural optical structures. The optical structures are disposed on the main body. Each of the optical structures is a tapered structure. Each of the optical structures has plural side surfaces, and a portion of light emitted from the light source structure is guided toward plural primary directions when passing through the side surfaces of the optical structures, and therefore the light emitted from the light source is no longer concentrated on the top of each of the optical structures.Type: GrantFiled: June 3, 2020Date of Patent: October 26, 2021Assignees: Radiant(Guangzhou) Opto-Electronics Co., Ltd, Radiant Opto-Electronics CorporationInventors: Yen-Chuan Chu, Chia-Yin Chang, Chin-Ting Weng, Yi-Ching Chung, Hao Chen
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Patent number: 11106081Abstract: A light-emitting mechanism comprises at least one LED, an optical unit disposed on the LED, and at least one dimming unit disposed on the optical unit and corresponding to the LED. The dimming unit includes a shading component disposed directly above the corresponding LED, the size of the shading component is greater than or equal to the size of the LED below the shading component, and the adjacent shading components are not contact with each other. The invention also provides a backlight module including the light-emitting mechanism.Type: GrantFiled: May 22, 2020Date of Patent: August 31, 2021Assignees: RADIANT(GUANGZHOU) OPTO-ELECTRONICS CO., LTD, RADIANT OPTO-ELECTRONICS CORPORATIONInventors: Jui-Lin Chen, Pin-Hsun Lee, Pei-Ling Kao, Yuan-Jhang Chen, Wei-Hsuan Chen, Chung-Yung Tai
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Patent number: 11035996Abstract: A light guide plate includes a main body, stripe structures, and light-adjusting structures. The main body includes a light-incident surface and an optical surface. The stripe structures are disposed on the optical surface. The light-adjusting structures are disposed between two adjacent stripe structures. Each of the light-adjusting structures includes a first light active surface and a second light active surface. The first light active surface faces towards the light-incident surface. The second light active surface faces towards an opposite light-incident surface. The first light active surface and the second light active surface are inclined towards different directions and formed a non-symmetrical shape. A first included angle is formed between the first light active surface and the optical surface. A second included angle is formed between the second light active surface and the optical surface. The first included angle and the second included angle are acute angles.Type: GrantFiled: March 25, 2020Date of Patent: June 15, 2021Assignees: Radiant(Guangzhou) Opto-Electronics Co., Ltd, Radiant Opto-Electronics CorporationInventors: Chia-Yin Chang, Chin-Ting Weng, Hao Chen, Yi-Ching Chung
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Patent number: 10914885Abstract: A light guide plate, a backlight module and a display device are provided. The light guide plate includes a main body and optical structures. The main body has a light-incident surface, an opposite light-incident surface, and an optical surface. The optical structures are disposed on the optical surface. Each of the optical structures has a first optical active surface and a second optical active surface, and the first optical active surface and the second optical active surface are inclined towards different directions and formed in a non-symmetrical shape. A first inclined angle is formed between the first optical active surface and the optical surface. A second inclined angle is formed between the second optical active surface and the optical surface. The first included angle is greater than the second included angle, and a light-emitting angle of the light guide plate decreases exponentially with the first inclined angle.Type: GrantFiled: November 1, 2019Date of Patent: February 9, 2021Assignees: Radiant(Guangzhou) Opto-Electronics Co., Ltd, Radiant Opto-Electronics CorporationInventors: Chia-Yin Chang, Chin-Ting Weng, Hao Chen, Yi-Ching Chung
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Patent number: 10914450Abstract: A lamp shade structure and a lamp are provided. The lamp shade structure includes a main body and light guide structures. The main body has a concave surface and an outer surface opposite to the concave surface. The light guide structures are disposed on the concave surface or the outer surface, in which each of the light guide structures has a central thickness and a peripheral thickness, and the central thickness is smaller than the peripheral thickness.Type: GrantFiled: December 3, 2019Date of Patent: February 9, 2021Assignees: Radiant(Guangzhou) Opto-Electronics Co., Ltd, Radiant Opto-Electronics CorporationInventors: Cheng-Ang Chang, Guo-Hao Huang
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Patent number: 10816715Abstract: A light guide plate, a backlight module and a display device are provided. The light guide plate includes a main body and plural prism portions. The main body has a first extending direction and a second extending direction. The main body includes a light-incident surface extending along the first extending direction and an optical surface connected to the light-incident surface. The optical surface has a first region, a second region and a third region which are arranged along the second extending direction. The prism portions are disposed on the optical surface and extend along the second extending direction. An occupied area ratio of the prism portions located in the first region is greater than an occupied area ratio of the prism portions located in the second region and is smaller than an occupied area ratio of the prism portions located in the third region.Type: GrantFiled: December 26, 2018Date of Patent: October 27, 2020Assignees: RADIANT (GUANGZHOU) OPTO-ELECTRONICS CO., LTD., RADIANT OPTO-ELECTRONICS CORPORATIONInventors: Chia-Yin Chang, Chin-Ting Weng, Hao Chen, Yi-Ching Chung
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Patent number: 10641948Abstract: A frame assembly and display device are provided. The frame assembly includes a mounting member, a sliding member, a top cover and a bottom cover. The sliding member is slidably disposed on the mounting member, in which the sliding member has at least one mounting hole and at least one engaging plate. The top cover has at least one protruding lug, in which the protruding lug is accommodated in the mounting hole, and at least one portion of the protruding lug is positioned by the engaging plate. The bottom cover has at least one engaging hook, in which the engaging hook is engaged in the mounting hole.Type: GrantFiled: August 17, 2018Date of Patent: May 5, 2020Assignees: RADIANT (GUANGZHOU) OPTO-ELECTRONICS CO., LTD., RADIANT OPTO-ELECTRONICS CORPORATIONInventors: Hui-Hua Hung, Chi-Chih Lu