Patents by Inventor Wen-Yung Yeh
Wen-Yung Yeh 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: 20170148964Abstract: A light-emitting assembly includes a first substrate, a first electrode layer, a light-emitting layer, a second electrode layer, a second substrate, a first conductive member and a second conductive member. The first electrode layer, the light-emitting layer and the second electrode layer are sequentially disposed on the first substrate. An area of the second electrode layer is entirely located within an area of the light emitting layer. The second electrode layer is located between the second substrate and the light-emitting layer. The first and second conductive members are disposed between the first and second substrates. The first electrode layer is electrically connected to a first circuit on the second substrate through the first conductive member. The second electrode layer is electrically connected to a second circuit on the second substrate through the second conductive member. The second conductive member is located within the area of the second electrode layer.Type: ApplicationFiled: October 14, 2016Publication date: May 25, 2017Applicant: Industrial Technology Research InstituteInventors: Hsin-Chu Chen, Wen-Yung Yeh, Hsuan-Yu Lin, Chun-Ting Liu, Wen-Hong Liu
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Publication number: 20170069703Abstract: An organic light-emitting device includes a first substrate, a light-emitting structure layer, a first electrode layer, a second electrode layer, a second substrate, first conduction members, a second conduction member and protection structures. The light-emitting structure layer is disposed on the first substrate. The first electrode layer is disposed on the light-emitting structure layer and includes pad-like patterns. The second electrode layer is disposed between the light-emitting structure layer and the first substrate. The second substrate is adhered on the first electrode layer and includes a first circuit and a second circuit. The first circuit includes a continuous pattern and contact portions. The first conduction members are connected between the first circuit and the first electrode layer. The second conduction member is connected between the second circuit and the second electrode layer.Type: ApplicationFiled: September 2, 2016Publication date: March 9, 2017Applicant: Industrial Technology Research InstituteInventors: Hsi-Hsuan Yen, Wen-Yung Yeh, Je-Ping Hu, Yuan-Shan Chung, Chih-Ming Lai, Hsuan-Yu Lin, Wen-Hong Liu, Hsin-Chu Chen, Chun-Ting Liu
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Publication number: 20170069680Abstract: A light-emitting device is introduced herein. The light-emitting device comprises a first light-generating active layer and a second light-generating active layer stacked in a vertical direction on a substrate wherein the first light-generating active layer and the second light-generating active layer emit light having substantially the same wavelength, and wherein the substrate, the first light-generating active layer, and the second light-generating active layer are formed together in a chip.Type: ApplicationFiled: November 7, 2016Publication date: March 9, 2017Inventors: Wen-Yung Yeh, Yu-Chen Yu, Hsi-Hsuan Yen, Jui-Ying Lin
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Patent number: 9570712Abstract: An organic light-emitting module including a light-transmissive substrate, a light extracting structure, a first electrode, an organic light-emitting stack, a second electrode, and a transparent carrying board is provided. The light-transmissive substrate has an index of refraction greater than 1.5 and has a first surface and a second surface opposite to the first surface. The light extracting structure is disposed at the first surface. The first electrode is disposed on the second surface of the light-transmissive substrate. The organic light-emitting stack is disposed on the first electrode. The second electrode is disposed on the organic light-emitting stack. The transparent carrying board is connected with the light extracting structure. A minimum distance between the light extracting structure and the transparent carrying board is less than or equal to 125 ?m.Type: GrantFiled: July 31, 2014Date of Patent: February 14, 2017Assignee: Industrial Technology Research InstituteInventors: Wen-Yung Yeh, Hsi-Hsuan Yen, Chen-Kun Chen
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Patent number: 9501992Abstract: An alternating current (AC) light emitting device includes an AC light emitting diode (LED) module and a waveform modulation unit. The AC LED module includes at least two sets of micro-diodes. The waveform modulation unit coupled between the AC LED module and an AC voltage source modulates a waveform of the AC voltage source.Type: GrantFiled: November 22, 2013Date of Patent: November 22, 2016Assignee: EPISTAR CORPORATIONInventors: Sheng-Chieh Tai, Wen-Yung Yeh, Yi-Jen Chan
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Patent number: 9490234Abstract: A light-emitting system is introduced herein. The light-emitting system includes an insulating substrate and a plurality of light-emitting units electrically-connected on the insulating substrate. Each of the plurality of light-emitting units includes a plurality of light-emitting diodes arranged as a bridge rectifier. A first part of the plurality of light-emitting diodes emits light during positive half cycles of an AC power signal. A second part of the plurality of light-emitting diodes emits light during negative half cycles of the AC power signal. The third part of the plurality of light-emitting diodes comprising at least one light-emitting diode emits light during both the positive half cycles and the negative half cycles of the AC power signal, wherein the plurality of light-emitting units including the plurality of light-emitting diodes arranged as a bridge rectifier is formed together in a light-emitting chip.Type: GrantFiled: December 9, 2010Date of Patent: November 8, 2016Assignee: EPISTAR CORPORATIONInventors: Wen-Yung Yeh, Yu-Chen Yu, Hsi-Hsuan Yen, Jui-Ying Lin
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Patent number: 9395072Abstract: An illumination device includes an OLED panel, an electrode structure, and a control module. The OLED panel includes a light-emitting layer configured to emit a light beam. The electrode structure is overlaid on the OLED panel. The electrode structure includes a first touch electrode including at least two conductive portions, and the conductive portions of the first touch electrode are electrically connected to the other conductive portions. The control module is electrically connected to the OLED panel and the first touch electrode. The light-emitting layer further includes a light-emitting material, and a width of the light-emitting material is greater than half of a width of the first touch electrode.Type: GrantFiled: August 5, 2015Date of Patent: July 19, 2016Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Su-Tsai Lu, Wen-Yung Yeh, Sheng-Feng Chung, Bao-Shun Yau, Chen-Kun Chen, Yi-Ming Chang
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Publication number: 20160155945Abstract: An illumination device includes a substrate, a light emitting structure, a sealant, and a laminating board is provided. The light emitting structure includes a first electrode layer, a light emitting layer and a second electrode layer stacked on the substrate sequentially. The sealant covers the light emitting structure. The laminating board is attached to the substrate. The sealant is located between the laminating board and the substrate. The laminating board includes a carrier body, a metal layer and a plurality of pads. The metal layer is exposed at a first surface of the carrier body, is in contact with the sealant and shields an area of the light emitting layer of the light emitting structure. The pads are exposed at the first surface of the carrier body and electrically connected to the first electrode layer and the second electrode layer. The metal layer is electrically isolated from the pads.Type: ApplicationFiled: November 24, 2015Publication date: June 2, 2016Inventors: Hsuan-Yu Lin, Hsin-Chu Chen, Wen-Hong Liu, Chao-Feng Sung, Chun-Ting Liu, Je-Ping Hu, Wen-Yung Yeh
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Patent number: 9357188Abstract: A photography and projection apparatus including a light emitting and sensing module and a projection lens is provided. The light emitting and sensing module has a light emitting and sensing area, and includes a light emitting unit array and a light sensing unit array. The light emitting unit array includes a plurality of light emitting units arranged in an array. The light emitting units are distributed in the light emitting and sensing area. The light emitting unit array is adapted to provide an image beam. The light sensing unit array includes a plurality of light sensing units arranged in an array. The light sensing units are distributed in the light emitting and sensing area. The projection lens is disposed on a transmission path of the image beam. A light emitting and sensing module is also provided.Type: GrantFiled: November 28, 2011Date of Patent: May 31, 2016Assignee: Industrial Technology Research InstituteInventors: Ming-Hsien Wu, Wen-Yung Yeh, Chia-Hsin Chao, Mu-Tao Chu, Jui-Ying Lin
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Publication number: 20160148560Abstract: An organic light-emitting diode (OLED) apparatus includes at least one OLED illumination module, a driving unit, an optical sensing module, a control unit, and a storage unit. The driving unit is configured to adjust voltage applied to the OLED illumination module, so as to change a CCT of the OLED illumination module. The optical sensing module is configured to sense the light emitted by the OLED illumination module. The control unit is configured to receive a feedback signal from the optical sensing module so as to adjust a light intensity and the CCT of the OLED illumination module. The storage unit is configured to store photoelectric parameter data of the OLED illumination module. The control unit is configured to adjust the CCT and the light intensity of the OLED illumination module to target values according to the photoelectric parameter data.Type: ApplicationFiled: September 25, 2015Publication date: May 26, 2016Inventors: Cheng-Yen Tsai, Chih-Ming Lai, Wen-Yung Yeh, Hsuan-Yu Lin
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Publication number: 20160113082Abstract: A visible light communication (VLC) transceiver includes a substrate, a lens module and a plurality of channel units. The channel units are disposed on the substrate in an array to provide different bidirectional communication channels. Wherein, each of the channel units respectively includes at least one light-emitting diode (LED). The LED serves as a visible light emitter in an illumination time slot, and the LED serves as a visible light receiver in a dark time slot. The channel units can enhance communication bandwidth by using modulation technology such as spatial multiplexing or time multiplexing. The lens module is disposed on an optical path of the channel units. The lens module actively tracks the receiving situation of the visible light receiver to improve the signal quality of high-speed multiplexing communication.Type: ApplicationFiled: December 30, 2015Publication date: April 21, 2016Inventors: Chia-Hsin Chao, Wen-Yung Yeh, Hung-Pin Yang
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Publication number: 20160104695Abstract: A light emitting device array including a circuit substrate and a plurality of device layers is provided. The circuit substrate includes a plurality of bonding pads and a plurality of conductive bumps located over the bonding pads. The device layers are capable of emitting different colored lights electrically connected with the circuit substrate through the conductive bumps and the bonding pads. The device layers capable of emitting different colored lights have different thicknesses and the conductive bumps bonded with the device layers capable of emitting different colored lights have different heights such that top surfaces of the device layers capable of emitting different colored lights are located on a same level of height.Type: ApplicationFiled: December 16, 2015Publication date: April 14, 2016Inventors: Wen-Yung Yeh, Chia-Hsin Chao, Ming-Hsien Wu, Kuang-Yu Tai
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Patent number: 9281451Abstract: A fabricating method of light emitting element. A substrate is provided. A plurality of first concaves and a plurality of second concaves are formed on the substrate, wherein a volume of each first concave is different from a volume of each second concave. A plurality of first light emitting diode chips and a plurality of second light emitting diode chips are provided, wherein a volume of each first light emitting diode chip is corresponding to the volume of each first concave, and a volume of each second light emitting diode chip is corresponding to the volume of each second concave. The first light emitting diode chips are moved onto the substrate such that the first light emitting diode chips go into the first concaves, and the second light emitting diode chips are moved onto the substrate such that the second light emitting diode chips go into the first concaves.Type: GrantFiled: February 8, 2013Date of Patent: March 8, 2016Assignee: Industrial Technology Research InstituteInventors: Wen-Yung Yeh, Kuo-Tung Tiao, Chia-Hsin Chao, Hsi-Hsuan Yen, Ming-Hsien Wu, Jui-Ying Lin, Ying-Chien Chu
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Publication number: 20160036006Abstract: An organic light-emitting module including a light-transmissive substrate, a light extracting structure, a first electrode, an organic light-emitting stack, a second electrode, and a transparent carrying board is provided. The light-transmissive substrate has an index of refraction greater than 1.5 and has a first surface and a second surface opposite to the first surface. The light extracting structure is disposed at the first surface. The first electrode is disposed on the second surface of the light-transmissive substrate. The organic light-emitting stack is disposed on the first electrode. The second electrode is disposed on the organic light-emitting stack. The transparent carrying board is connected with the light extracting structure. A minimum distance between the light extracting structure and the transparent carrying board is less than or equal to 125 ?m.Type: ApplicationFiled: July 31, 2014Publication date: February 4, 2016Inventors: Wen-Yung Yeh, Hsi-Hsuan Yen, Chen-Kun Chen
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Patent number: 9224790Abstract: An illumination device including a light-emitting panel, a touch panel, and a control module is provided. The light-emitting panel includes a light-emitting layer configured to emit a light beam. The touch panel is overlaid on the light-emitting panel, and includes a first touch electrode. The control module is electrically connected to the light-emitting panel and the touch panel. The light-emitting layer further includes a light-emitting material, and the width of the light-emitting material is greater than half of the width of the first touch electrode.Type: GrantFiled: July 30, 2014Date of Patent: December 29, 2015Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Wen-Yung Yeh, Yi-Ming Chang, Su-Tsai Lu, Chen-Kun Chen
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Publication number: 20150338078Abstract: An illumination device includes an OLED panel, an electrode structure, and a control module. The OLED panel includes a light-emitting layer configured to emit a light beam. The electrode structure is overlaid on the OLED panel. The electrode structure includes a first touch electrode including at least two conductive portions, and the conductive portions of the first touch electrode are electrically connected to the other conductive portions. The control module is electrically connected to the OLED panel and the first touch electrode. The light-emitting layer further includes a light-emitting material, and a width of the light-emitting material is greater than half of a width of the first touch electrode.Type: ApplicationFiled: August 5, 2015Publication date: November 26, 2015Applicant: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Su-Tsai LU, Wen-Yung YEH, Sheng-Feng CHUNG, Bao-Shun YAU, Chen-Kun CHEN, Yi-Ming CHANG
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Patent number: 9148021Abstract: A method for controlling an alternating current (AC) output of a photovoltaic (PV) device, and an AC PV device are introduced herein. The method includes: receiving solar radiant energy by using a PV cell array and then converting the solar radiant energy into a direct current (DC) energy output; and selecting an arrangement and combination sequence of the PV cells by using a control module, to vary a voltage according to a timing (frequency), so that a sine-like wave output is obtained at an output terminal.Type: GrantFiled: June 13, 2012Date of Patent: September 29, 2015Assignee: Industrial Technology Research InstituteInventors: Jung-Tsung Hsu, Wen-Yung Yeh, Ming-Hsien Wu, Wen-Yih Liao, Mu-Tao Chu
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Patent number: 9093292Abstract: A light-emitting system includes a first and second power input terminals; for receiving an AC power input to the light-emitting system; a first, second, third, and fourth light-emitting-diode groups each having at least one light-emitting diode; a first circuit path having at least one light-emitting diode from each of the first and second light-emitting-diode groups, with the light-emitting diodes coupled serially and emitting light during a positive power cycle; and a second circuit path having at least one light-emitting diode from each of the third and fourth light-emitting-diode groups, with the light-emitting diodes coupled serially and emitting light during a negative power cycle. The second light-emitting-diode group and the third light-emitting-diode group share at least one common light-emitting diode, The first and second power input terminals, the first, second, third, and fourth light-emitting-diode groups, and the first and second circuit paths may belong to a single chip light-emitting system.Type: GrantFiled: October 29, 2010Date of Patent: July 28, 2015Assignee: EPISTAR CORPORATIONInventors: Wen-Yung Yeh, Yu-Chen Yu, Hsi-Hsuan Yen, Jui-Ying Lin
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Publication number: 20150200381Abstract: An organic light emitting device (OLED) is provided, comprising a first electrode and a second electrode disposed oppositely, and an organic light emitting (EL) layer formed between the first electrode and the second electrode, wherein the EL layer comprises at least one organic light emitting material. In one embodiment, the EL layer is a dipole controlled organic light emitting layer, and the longest axes of organic molecules of the organic light emitting material or exciton dipole moments of the organic molecules are anisotropically oriented, such as arranged as an anisotropic array, for decreasing the possibility of exciton energy directly coupled into the cathode. In an alternative embodiment, a periodic array of nano-grating structure is formed between the first and second electrodes for decreasing the possibility of propagation of the TM polarized light. Accordingly, the light efficiency of the OLED is significantly improved.Type: ApplicationFiled: July 29, 2014Publication date: July 16, 2015Inventors: Chun-Ting LIU, Wen-Yung YEH, Hsi-Hsuan YEN
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Patent number: 9070573Abstract: A light-emitting system comprises: a first power input terminal and a second power input terminal; an insulating substrate; a first light-emitting-diode string formed on the insulating substrate comprising at least three light-emitting diodes placed sequentially in a first direction to allow a current flow through the at least three light-emitting diodes of the first light-emitting-diode string generally in the first direction; a second light-emitting-diode string formed on the insulating substrate comprising at least three light-emitting diodes placed sequentially in a second direction to allow a current flow through the at least three light-emitting diodes of the second light-emitting-diode string generally in the second direction; a third light-emitting-diode string comprising at least three light-emitting diodes placed sequentially in a third direction to allow a current flow through the at least three light-emitting diodes of the third light-emitting-diode string generally in the third direction.Type: GrantFiled: October 29, 2010Date of Patent: June 30, 2015Assignee: EPISTAR CORPORATIONInventors: Wen-Yung Yeh, Yu-Chen Yu, Hsi-Hsuan Yen, Jui-Ying Lin