Patents by Inventor Chiao-Chih Yang
Chiao-Chih Yang 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: 20170192136Abstract: A display apparatus including a first display unit, a second display unit and a strip-shaped lens is provided. The first display unit has a first display area and a first edge area. The second display unit has a second display area and a second edge area. The strip-shaped lens is disposed on a boundary of the first edge area and the second edge area. The strip-shaped lens includes a light entering surface, a light emitting surface, a first stairs-shaped surface and a second stairs-shaped surface. The first stairs-shaped surface is located above a part of the first display area adjacent to the boundary, and connects the light entering surface and the light emitting surface. The second stairs-shaped surface is located above a part of the second display area adjacent to the boundary, and connects the light entering surface and the light emitting surface.Type: ApplicationFiled: December 25, 2016Publication date: July 6, 2017Applicant: Young Lighting Technology Inc.Inventors: Yi-Yu Tsai, Hsin-Hung Lee, Huei-Tzu Lin, Chiao-Chih Yang
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Publication number: 20170159908Abstract: An optical diffusion plate and a light source module are provided. The optical diffusion plate includes a light incident surface, a light emitting surface, at least one pattern region, and a reflection layer. The pattern region is located on at least one of the light incident surface and the light emitting surface. The reflection layer covers a portion of the pattern region. The pattern region includes a central region located at a central position, a plurality of first circular regions, and at least one second circular region. The central region is surrounded by the first circular regions and the second circular region alternatively, and perimeter of the central region is adjacent to one of the first circular regions. Coverage rates of the reflection layer at the second circular region and the central region are higher than coverage rates of the reflection layer at the first circular regions.Type: ApplicationFiled: July 5, 2016Publication date: June 8, 2017Inventors: Fang-Ju Yeh, Jin-Rang Liu, Hsin-Hung Lee, Chiao-Chih Yang
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Publication number: 20170153379Abstract: The invention provides a transmissive display module and a driving method thereof. The transmissive display module includes a transparent display panel, a first light source module, a second light source module and at least one adhesive layer. The first light source module and the second light source module are respectively disposed on opposite surfaces of the transparent display panel. The first light source module includes a first light guide plate and a first light source, and the second light source module includes a second light guide plate and a second light source. The adhesive layer at least adheres the transparent display panel and the first light guide plate, and a refractive index of the adhesive layer is less than a refractive index of the first light guide plate.Type: ApplicationFiled: June 30, 2016Publication date: June 1, 2017Inventors: Jung-Wei Chang, Yi-Yu Tsai, Hsin-Hung Lee, Chiao-Chih Yang
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Patent number: 9557470Abstract: A light source module including a light guide plate, at least one light emitting device, a light-controlling pattern element, and an absorbing pattern element is provided. The light guide plate has a light emitting surface, a first surface opposite the light emitting surface, and at least one opening. The opening passes through the first surface and extends from the first surface toward the light emitting surface. The at least one light emitting device is disposed in the opening and arranged along an arranging direction. The light-controlling pattern element is disposed on the light emitting surface and covers the opening and the light emitting device. The opening faces towards the absorbing pattern element. The absorbing pattern element is disposed besides one of the at least one light emitting device and extends toward a side wall of the opening. Moreover, another two light source modules are also provided.Type: GrantFiled: March 21, 2013Date of Patent: January 31, 2017Assignee: Young Lighting Technology Inc.Inventors: Hsin-Hung Lee, Chiao-Chih Yang, Wei-Ching Wu, Hung-Sen Lin
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Publication number: 20160370527Abstract: A surface light source module includes a light guiding plate having a light incidence surface and a bottom surface adjacent to the light incidence surface; a reflective sheet disposed on the bottom surface; an adhesive adhered between the bottom surface and the reflective sheet; and a light emitting assembly disposed alongside of the light incident surface. The refractive indices of the adhesive and the light guiding plate are N1 and N2, wherein 63%?N1/N2?95%. The light emitting assembly includes a plurality of light emitting elements, of which the distribution curve of luminous intensity satisfies the following conditions: (1) an absolute value of distribution angle at 50% of luminous intensity is smaller than or equal to 55°; and (2) a sum of luminous energy at the absolute value of distribution angle of greater than 70° is smaller than or equal to 10% of a total lumen of the light emitting element.Type: ApplicationFiled: April 15, 2016Publication date: December 22, 2016Inventors: Jung-Wei Chang, Yi-Yu Tsai, Hsin-Hung Lee, Chiao-Chih Yang
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Publication number: 20160299285Abstract: A light source module includes a light guide plate (LGP), at least one light emitting element, a reflector, and a plurality of spacer units. The LGP has a first surface, a second surface opposite to the first surface, a light incident surface connecting the first surface and the second surface, and a plurality of optical microstructures. The light emitting element is located adjacent to the light incident surface. The reflector is adhered to the second surface through an adhesive gel. The spacer units are located between the LGP and the reflector, and sizes of the spacer units are larger than or equal to 1 micrometer. The adhesive gel includes a first adhesive gel and a second adhesive gel. The first adhesive gel is located between the spacer units and the LGP, and the second adhesive gel is located between the spacer units and the reflector.Type: ApplicationFiled: March 13, 2016Publication date: October 13, 2016Inventors: Hsin-Hung Lee, Yi-Yu Tsai, Chiao-Chih Yang
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Publication number: 20160146430Abstract: A light source module including at least one optical film and a light source unit is provided. The light source unit is disposed under the at least one optical film, and a space is formed between the light source unit and the at least one optical film. The light source unit includes a plurality of light emitting elements and a plurality of secondary lenses. The light emitting elements are arranged along a direction parallel to the at least one optical film. The secondary lenses are correspondingly disposed on the light emitting elements and each of the secondary lenses has a patterned reflective layer. Each of the secondary lenses has a light hole radius R, a distance between a distribution range of the patterned reflective layer and a bottom of the corresponding secondary lenses is H, and the distribution range of the patterned reflective layer satisfies 1/R<H<3/2R.Type: ApplicationFiled: July 3, 2015Publication date: May 26, 2016Inventors: Fang-Ju Yeh, Chiao-Chih Yang, Hsin-Hung Lee, Chi-Lun Chen
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Patent number: 8915637Abstract: A light source module including a light guide plate, a plurality of light emitting devices, and a plurality of first reflective devices is provided. The light guide plate has a plurality of through holes and a light emitting surface. The through holes pass through the light emitting surface. Each of the through holes has a first side wall and a second side wall opposite the first side wall. At least one of the light emitting devices is disposed in each of the through holes. Each of the light emitting devices is capable emitting a light beam. The light beam enters the light guide plate from the first side wall of the through hole which the light emitting device is disposed in and leaves the light guide plate from the light emitting surface. The first reflective devices are disposed on the second side walls of the through holes.Type: GrantFiled: March 20, 2013Date of Patent: December 23, 2014Assignee: Young Lighting Technology Inc.Inventors: Chiao-Chih Yang, Chao-Chun Cheng, Hsin-Hung Lee, Wei-Ching Wu, Yen-Hao Chen
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Patent number: 8711081Abstract: A driving apparatus and a driving method of a backlight module are provided. The backlight module includes multiple LEDs. The driving apparatus includes at least one thermal sensor, an optical sensor, and a processor. The thermal sensor is for detecting a working temperature of the LEDs. The optical sensor is for detecting brightness and color of the backlight module after a calibration function is enabled, to obtain difference values of the detected brightness and color with respect to predetermined brightness and color. The processor is for providing at least one initial thermal compensation table, to determine working currents of the LEDs associated with the working temperature. The processor further is for calibrating a content of the initial thermal compensation table corresponding with a current working temperature of the LEDs and storing the calibrated thermal compensation table as the initial thermal compensation table after the calibration function is enabled.Type: GrantFiled: April 6, 2010Date of Patent: April 29, 2014Assignee: Young Lighting Technology Inc.Inventors: Chiao-Chih Yang, Chih-Hua Lin, Wei-Jen Chou, Chien-Chung Hsiao
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Patent number: 8708540Abstract: A backlight module includes a back plate, a light guide plate, a heat insulation layer, a heat dissipation member, and a light source device. The back plate has a first surface, a second surface opposite to the first surface, and an opening passing through the back plate. The light guide plate is disposed on the first surface, the heat insulation layer is disposed on the second surface, and the heat dissipation member is disposed on the heat insulation layer. The light source device is connected to the heat dissipation member and protrudes from the first surface to face the light guide plate through the opening.Type: GrantFiled: March 4, 2011Date of Patent: April 29, 2014Assignee: Young Lighting Technology Inc.Inventors: Hsin-Tse Tsai, Chiao-Chih Yang, Po-Chun Huang
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Publication number: 20130286685Abstract: A light source module including a light guide plate, a plurality of light emitting devices, and a plurality of first reflective devices is provided. The light guide plate has a plurality of through holes and a light emitting surface. The through holes pass through the light emitting surface. Each of the through holes has a first side wall and a second side wall opposite the first side wall. At least one of the light emitting devices is disposed in each of the through holes. Each of the light emitting devices is capable emitting a light beam. The light beam enters the light guide plate from the first side wall of the through hole which the light emitting device is disposed in and leaves the light guide plate from the light emitting surface. The first reflective devices are disposed on the second side walls of the through holes.Type: ApplicationFiled: March 20, 2013Publication date: October 31, 2013Applicant: YOUNG LIGHTING TECHNOLOGY INC.Inventors: Chiao-Chih Yang, Chao-Chun Cheng, Hsin-Hung Lee, Wei-Ching Wu, Yen-Hao Chen
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Publication number: 20130250611Abstract: A light source module including a light guide plate, at least one light emitting device, a light-controlling pattern element, and an absorbing pattern element is provided. The light guide plate has a light emitting surface, a first surface opposite the light emitting surface, and at least one opening. The opening passes through the first surface and extends from the first surface toward the light emitting surface. The at least one light emitting device is disposed in the opening and arranged along an arranging direction. The light-controlling pattern element is disposed on the light emitting surface and covers the opening and the light emitting device. The opening faces towards the absorbing pattern element. The absorbing pattern element is disposed besides one of the at least one light emitting device and extends toward a side wall of the opening. Moreover, another two light source modules are also provided.Type: ApplicationFiled: March 21, 2013Publication date: September 26, 2013Applicant: Young Lighting Technology Inc.Inventors: Hsin-Hung Lee, Chiao-Chih Yang, Wei-Ching Wu, Hung-Sen Lin
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Patent number: 8449163Abstract: A backlight module includes at least one light emitting device capable of emitting a light beam, a light guide plate, and a thermal insulation light guide element. The light guide plate has two surfaces opposite to each other and a side surface connecting the two surfaces. The light emitting device is disposed beside the side surface. The light beam enters the light guide plate through the side surface. The thermal insulation light guide element has a light incident surface and a light emitting surface. The light incident surface having at least one first recess is located in a transmission path of the light beam and between the light emitting device and the side surface. The light emitting surface is disposed between the light incident surface and the side surface. The glass transition temperature of the thermal insulation light guide element is higher than that of the light guide plate.Type: GrantFiled: September 14, 2010Date of Patent: May 28, 2013Assignee: Young Lighting Technology Inc.Inventors: Chiao-Chih Yang, Lei-Ken Hung, Hsin-Tse Tsai, Yi-Yu Tsai
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Patent number: 8344411Abstract: A light emitting diode package includes a mount, a plurality of LED chips, and a first and a second sealants made of different materials. The mount has an accommodation space and at least one partition member to divide the accommodation space into a plurality of separate cavities. The LED chips are placed in the cavities, and emitting beams of the LED chips exiting through the cavities include a first emission with a first wavelength band and a second emission with a second wavelength band, and the second wavelength band is different to the first one. The first and the second sealants are respectively used for sealing at least one of the LED chips placed in at least one of the cavities through which the first or the second emission exits. The first and the second sealants are separate from each other by the partition member.Type: GrantFiled: August 19, 2008Date of Patent: January 1, 2013Assignee: Young Lighting Technology Inc.Inventors: Wei-Jen Chou, Sheng-Min Wang, Chiao-Chih Yang
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Patent number: 8308317Abstract: A surface light source structure having a circuit board, a first light emitting diode (LED) array, and a second LED array is provided. The first and second LED arrays are assembled on the circuit board. Each LED rows of the two LED arrays has a plurality of LED units connected in series. The LED rows of the first LED array are connected in parallel. The LED rows of the second LED array are connected in parallel. The LED rows of the second LED array are intersected between the LED rows of the first LED array. Positive-to-negative directions of the LED units of the first and second LED array are arranged in opposite directions.Type: GrantFiled: February 28, 2008Date of Patent: November 13, 2012Assignee: Young Lighting Technology Inc.Inventors: Wei-Jen Chou, Chien-Chung Hsiao, Bor-Jyh Pan, Chiao-Chih Yang
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Publication number: 20110286235Abstract: A backlight module includes a back plate, a light guide plate, a heat insulation layer, a heat dissipation member, and a light source device. The back plate has a first surface, a second surface opposite to the first surface, and an opening passing through the back plate. The light guide plate is disposed on the first surface, the heat insulation layer is disposed on the second surface, and the heat dissipation member is disposed on the heat insulation layer. The light source device is connected to the heat dissipation member and protrudes from the first surface to face the light guide plate through the opening.Type: ApplicationFiled: March 4, 2011Publication date: November 24, 2011Applicant: YOUNG LIGHTING TECHNOLOGY CORPORATIONInventors: Hsin-Tse Tsai, Chiao-Chih Yang, Po-Chun Huang
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Publication number: 20110063875Abstract: A backlight module includes at least one light emitting device capable of emitting a light beam, a light guide plate, and a thermal insulation light guide element. The light guide plate has two surfaces opposite to each other and a side surface connecting the two surfaces. The light emitting device is disposed beside the side surface. The light beam enters the light guide plate through the side surface. The thermal insulation light guide element has a light incident surface and a light emitting surface. The light incident surface having at least one first recess is located in a transmission path of the light beam and between the light emitting device and the side surface. The light emitting surface is disposed between the light incident surface and the side surface. The glass transition temperature of the thermal insulation light guide element is higher than that of the light guide plate.Type: ApplicationFiled: September 14, 2010Publication date: March 17, 2011Applicant: YOUNG LIGHTING TECHNOLOGY CORPORATIONInventors: Chiao-Chih Yang, Lei-Ken Hung, Hsin-Tse Tsai, Yi-Yu Tsai
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Publication number: 20100259572Abstract: A driving apparatus and a driving method of a backlight module are provided. The backlight module includes multiple LEDs. The driving apparatus includes at least one thermal sensor, an optical sensor, and a processor. The thermal sensor is for detecting a working temperature of the LEDs. The optical sensor is for detecting brightness and color of the backlight module after a calibration function is enabled, to obtain difference values of the detected brightness and color with respect to predetermined brightness and color. The processor is for providing at least one initial thermal compensation table, to determine working currents of the LEDs associated with the working temperature. The processor further is for calibrating a content of the initial thermal compensation table corresponding with a current working temperature of the LEDs and storing the calibrated thermal compensation table as the initial thermal compensation table after the calibration function is enabled.Type: ApplicationFiled: April 6, 2010Publication date: October 14, 2010Inventors: CHIAO-CHIH YANG, Chih-Hua Lin, Wei-Jen Chou, Chien-Chung Hsiao
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Publication number: 20090108271Abstract: A light emitting diode package includes a mount, a plurality of LED chips, and a first and a second sealants made of different materials. The mount has an accommodation space and at least one partition member to divide the accommodation space into a plurality of separate cavities. The LED chips are placed in the cavities, and emitting beams of the LED chips exiting through the cavities include a first emission with a first wavelength band and a second emission with a second wavelength band, and the second wavelength band is different to the first one. The first and the second sealants are respectively used for sealing at least one of the LED chips placed in at least one of the cavities through which the first or the second emission exits. The first and the second sealants are separate from each other by the partition member.Type: ApplicationFiled: August 19, 2008Publication date: April 30, 2009Inventors: Wei-Jen CHOU, Sheng-Min WANG, Chiao-Chih YANG
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Publication number: 20090091947Abstract: A surface light source structure having a circuit board, a first light emitting diode (LED) array, and a second LED array is provided. The first and second LED arrays are assembled on the circuit board. Each LED rows of the two LED arrays has a plurality of LED units connected in series. The LED rows of the first LED array are connected in parallel. The LED rows of the second LED array are connected in parallel. The LED rows of the second LED array are intersected between the LED rows of the first LED array. Positive-to-negative directions of the LED units of the first and second LED array are arranged in opposite directions.Type: ApplicationFiled: February 28, 2008Publication date: April 9, 2009Applicant: Young Lighting Technology CorporationInventors: Wei-Jen Chou, Chien-Chung Hsiao, Bor-Jyh Pan, Chiao-Chih Yang