Patents by Inventor Chia-Cheng Liu
Chia-Cheng Liu 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: 8932885Abstract: A light emitting diode having a transparent substrate and a method for manufacturing the same. The light emitting diode is formed by creating two semiconductor multilayers and bonding them. The first semiconductor multilayer is formed on a non-transparent substrate. The second semiconductor multilayer is created by forming an amorphous interface layer on a transparent substrate. The two semiconductor multilayers are bonded and the non-transparent substrate is removed, leaving a semiconductor multilayer with a transparent substrate.Type: GrantFiled: December 28, 2012Date of Patent: January 13, 2015Assignee: Epistar CorporationInventors: Min-Hsun Hsieh, Kuen-Ru Chuang, Shu-Wen Sung, Chia-Cheng Liu, Chao-Nien Huang, Shane-Shyan Wey, Chih-Chiang Lu, Ming-Jiunn Jou
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Patent number: 8347002Abstract: An apparatus for transmitting a video signal includes a signal detector, a multiplexer and a transmitter. The signal detector detects the video signal from the source to determine whether the horizontal sync signal and the vertical sync signal of the video signal are independent or composite. The multiplexer generates a composite sync signal by combining the horizontal sync signal and the vertical sync signal with reference to timing characteristics of the horizontal sync signal and the vertical sync signal while the horizontal sync signal and the vertical sync signal are detected as independent signals, and passes the composite sync signal while the horizontal sync signal and the vertical sync signal are detected as the composite sync signal. The transmitter transmits the video signal with the composite sync signal to the destination via a media. A method for transmitting the video signal is also disclosed.Type: GrantFiled: September 20, 2007Date of Patent: January 1, 2013Assignee: Aten International Co., Ltd.Inventors: Fu-Chin Shen, Chia-Cheng Liu
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Patent number: 8344353Abstract: A light emitting diode having a transparent substrate and a method for manufacturing the same. The light emitting diode is formed by creating two semiconductor multilayers and bonding them. The first semiconductor multilayer is formed on a non-transparent substrate. The second semiconductor multilayer is created by forming an amorphous interface layer on a transparent substrate. The two semiconductor multilayers are bonded and the non-transparent substrate is removed, leaving a semiconductor multilayer with a transparent substrate.Type: GrantFiled: May 24, 2011Date of Patent: January 1, 2013Assignee: Epistar CorporationInventors: Min-Hsun Hsieh, Kuen-Ru Chuang, Shu-Wen Sung, Chia-Cheng Liu, Chao-Nien Huang, Shane-Shyan Wey, Chih-Chiang Lu, Ming-Jiunn Jou
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Patent number: 8106323Abstract: A potential switching apparatus for a power adapter which transforms input power to output power delivered through a power output cord. The potential switch apparatus switches the potential of the output power. It includes a first body and a second body located on the power output cord. The first body has a first contact and a second contact. The second body has a switch element connectable to the first contact to deliver the output power at a first potential and connectable to the second contact to deliver the output power at a second potential. Thus the potential of the output power can be switched. The present invention improves the conventional potential switch device on the power adapter that is too bulky in size.Type: GrantFiled: December 30, 2008Date of Patent: January 31, 2012Assignee: FSP Technology Inc.Inventors: Wen-Chi Liu, Chi-Tsung Liang, Chia-Cheng Liu
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Publication number: 20110220873Abstract: A light emitting diode having a transparent substrate and a method for manufacturing the same. The light emitting diode is formed by creating two semiconductor multilayers and bonding them. The first semiconductor multilayer is formed on a non-transparent substrate. The second semiconductor multilayer is created by forming an amorphous interface layer on a transparent substrate. The two semiconductor multilayers are bonded and the non-transparent substrate is removed, leaving a semiconductor multilayer with a transparent substrate.Type: ApplicationFiled: May 24, 2011Publication date: September 15, 2011Applicant: Epistar CorporationInventors: Min-Hsun Hsieh, Keun-Ru Chuang, Shane-Shyan Wey, Chih-Chiang Lu, Ming-Jiunn Jou, Shu-Wen Sung, Chia-Cheng Liu, Chao-Nien Huang
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Publication number: 20100163393Abstract: A potential switching apparatus for a power adapter which transforms input power to output power delivered through a power output cord. The potential switch apparatus switches the potential of the output power. It includes a first body and a second body located on the power output cord. The first body has a first contact and a second contact. The second body has a switch element connectable to the first contact to deliver the output power at a first potential and connectable to the second contact to deliver the output power at a second potential. Thus the potential of the output power can be switched. The present invention improves the conventional potential switch device on the power adapter that is too bulky in size.Type: ApplicationFiled: December 30, 2008Publication date: July 1, 2010Inventors: Wen-Chi LIU, Chi-Tsung Liang, Chia-Cheng Liu
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Publication number: 20090080538Abstract: An apparatus for transmitting a video signal has a receiver, a processor and a multiplexer. The receiver receives the video signal and separates a composite sync signal from the video signal. The processor generates a vertical sync signal and a selecting signal with reference to timing characteristics of the composite sync signal. The multiplexer generates a horizontal sync signal by selectively outputting the composite sync signal when the selecting signal is at a first logic level and outputting a reference signal when the selecting signal is at a second logic level. A method for transmitting a video signal is also disclosed.Type: ApplicationFiled: September 20, 2007Publication date: March 26, 2009Applicant: ATEN INTERNATIONAL CO., LTD.Inventors: Fu-Chin Shen, Chia-Cheng Liu
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Publication number: 20090079868Abstract: An apparatus for transmitting a video signal includes a signal detector, a multiplexer and a transmitter. The signal detector detects the video signal from the source to determine whether the horizontal sync signal and the vertical sync signal of the video signal are independent or composite. The multiplexer generates a composite sync signal by combining the horizontal sync signal and the vertical sync signal with reference to timing characteristics of the horizontal sync signal and the vertical sync signal while the horizontal sync signal and the vertical sync signal are detected as independent signals, and bypasses the composite sync signal while the horizontal sync signal and the vertical sync signal are detected as the composite sync signal. The transmitter transmits the video signal with the composite sync signal to the destination via a media. A method for transmitting the video signal is also disclosed.Type: ApplicationFiled: September 20, 2007Publication date: March 26, 2009Applicant: ATEN INTERNATIONAL CO., LTD.Inventors: Fu-Chin Shen, Chia-Cheng Liu
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Publication number: 20080218633Abstract: The first device receives the video signal to encode a horizontal sync signal and a vertical sync signal of the video signal into a composite sync signal, compresses the composite sync signal into one of three color signals of the video signal, and transmits the three color signals. The second device is in communication with the first device, decompresses the composite sync signal from the compressed color signal, and decodes the horizontal sync signal and the vertical sync signal from the composite sync signal. A method for transmitting video signals and a KVM device are also disclosed.Type: ApplicationFiled: March 7, 2007Publication date: September 11, 2008Applicant: ATEN INTERNATIONAL CO., LTD.Inventors: Fu-Chin Shen, Chia-Cheng Liu
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Publication number: 20060087751Abstract: An optical lens system includes a first lens barrel, a second lens barrel, multiple lenses and multiple fixing components. The first barrel contains a first lens disposing space and a first outer ring part surrounding the first lens disposing space. The first outer ring part is formed with indentations. Additionally, the second barrel contains a second lens disposing space and a second outer ring part, which surrounds the second lens disposing space. The second outer ring part is formed with protrusions. The second outer ring part is engaged to the first outer ring part, the protrusions is inserted to the indentations with loose fit. Furthermore, the lenses are disposed in the first lens disposing space and the second lens disposing space respectively. The fixing components are disposed on the first outer ring part and the second outer ring part to affix these two barrels with each other.Type: ApplicationFiled: January 20, 2005Publication date: April 27, 2006Inventors: Chia-Cheng Liu, Jen-Chen Chuang
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Patent number: 6972208Abstract: A light emitting diode having a transparent substrate and a method for manufacturing the same. The light emitting diode is formed by creating two semiconductor multilayers and bonding them. The first semiconductor multilayer is formed on a non-transparent substrate. The second semiconductor multilayer is created by forming an amorphous interface layer on a transparent substrate. The two semiconductor multilayers are bonded and the non-transparent substrate is removed, leaving a semiconductor multilayer with a transparent substrate.Type: GrantFiled: May 21, 2004Date of Patent: December 6, 2005Assignee: Epistar CorporationInventors: Min-Hsun Hsieh, Keun-Ru Chuang, Shane-Shyan Wey, Chih-Chiang Lu, Ming-Jiunn Jou, Shu-Wen Sung, Chia-Cheng Liu, Chao-Nien Huang
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Patent number: 6936860Abstract: An LED includes an insulating substrate; a buffer layer positioned on the insulating substrate; an n+-type contact layer positioned on the buffer layer, the contact layer having a first surface and a second surface; an n-type cladding layer positioned on the first surface of the n+-type contact layer; a light-emitting layer positioned on the n-type cladding layer; a p-type cladding layer positioned on the light-emitting layer; a p-type contact layer positioned on the p-type cladding layer; an n+-type reverse-tunneling layer positioned on the p-type contact layer; a p-type transparent ohmic contact electrode positioned on the n+-type reverse-tunneling layer; and an n-type transparent ohmic contact electrode positioned on the second surface of the n+-type contact layer. The p-type transparent ohmic contact electrode and the n-type transparent ohmic contact electrode are made of the same materials.Type: GrantFiled: May 16, 2002Date of Patent: August 30, 2005Assignee: Epistar CorporationInventors: Shu-Wen Sung, Chin-Fu Ku, Chia-Cheng Liu, Min-Hsun Hsieh, Chao-Nien Huang, Chen Ou, Chuan-Ming Chang
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Publication number: 20050115492Abstract: A method and the apparatus of the chemical metal organic vapor epitaxy for the multi-chamber epitaxy layer deposition can process many epitaxy reactions of the organic light-emitting diodes at the same time. More, the different types of epitaxy layers can individual react while passing through the adjustment of time periods. By using the multiple organic light-emitting diodes, it can form multiple epitaxy layers with varying types at the same time. Therefore, it achieves the purpose of shortening the manufacturing process.Type: ApplicationFiled: November 28, 2003Publication date: June 2, 2005Inventors: Chia-Cheng Liu, Chiung-Yu Chang, Tung-Hung Tsai, Shun-Yi Hsu, Chiu-Ming Peng
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Patent number: 6867426Abstract: A light emitting diode having a transparent substrate and a method for manufacturing the same. The light emitting diode is formed by creating two semiconductor multilayers and bonding them. The first semiconductor multilayer is formed on a non-transparent substrate. The second semiconductor multilayer is created by forming an amorphous interface layer on a transparent substrate. The two semiconductor multilayers are bonded and the non-transparent substrate is removed, leaving a semiconductor multilayer with a transparent substrate.Type: GrantFiled: March 6, 2002Date of Patent: March 15, 2005Assignee: Epistar CorporationInventors: Min-Hsun Hsieh, Keun-Ru Chuang, Shane-Shyan Wey, Chih-Chiang Lu, Ming-Jiunn Jou, Shu-Wen Sung, Chia-Cheng Liu, Chao-Nien Huang
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Publication number: 20040261693Abstract: An epitaxial structure of GaN based compound semiconductor comprises a substrate; a single crystal of boron phosphide buffer layer on the substrate; a first buffer layer composed of group III nitride at a temperature from 200 to 800 degree C. formed on the boron phosphide buffer layer; and a second buffer layer composed of group III nitride at a temperature from 800 degree formed on the first buffer layer.Type: ApplicationFiled: June 26, 2003Publication date: December 30, 2004Inventors: Mu Jen Lai, Chiung Yu Chang, Chia Cheng Liu
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Patent number: 6825498Abstract: The present invention discloses a light emitting diode (LED) by using a P-type ZnTe layer or a ZnSe layer as a substrate. To match the lattice between the substrate and blue light LED of cubic crystal, a BP(boron phosphide) buffer layer of single crystal is formed on the substrate. When the blue light LED emits blue light of wavelength from 450 nm to 470 nm, the ZnTe or ZnSe substrate absorbs the blue light and emits yellow-green light of wavelength 550 nm. Thus, white light is produced by mixing the blue light and the yellow-green light.Type: GrantFiled: June 26, 2003Date of Patent: November 30, 2004Assignee: Vtera Technology Inc.Inventors: Mu-Jen Lai, Chia-Cheng Liu, Chiung-Yu Chang
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Publication number: 20040197981Abstract: A light emitting diode having a transparent substrate and a method for manufacturing the same. The light emitting diode is formed by creating two semiconductor multilayers and bonding them. The first semiconductor multilayer is formed on a non-transparent substrate. The second semiconductor multilayer is created by forming an amorphous interface layer on a transparent substrate. The two semiconductor multilayers are bonded and the non-transparent substrate is removed, leaving a semiconductor multilayer with a transparent substrate.Type: ApplicationFiled: May 21, 2004Publication date: October 7, 2004Inventors: Min-Hsun Hsieh, Keun-Ru Chuang, Shane-Shyan Wey, Chih-Chiang Lu, Ming-Jiunn Jou, Shu-Wen Sung, Chia-Cheng Liu, Chao-Nien Huang
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Publication number: 20040173805Abstract: The present invention discloses a light emitting diode (LED) by using a P-type ZnTe layer or a ZnSe layer as a substrate. To match the lattice between the substrate and blue light LED of cubic crystal, a BP(boron phosphide) buffer layer of single crystal is formed on the substrate. When the blue light LED emits blue light of wavelength from 450 nm to 470 nm, the ZnTe or ZnSe substrate absorbs the blue light and emits yellow-green light of wavelength 550 nm. Thus, white light is produced by mixing the blue light and the yellow-green light.Type: ApplicationFiled: June 26, 2003Publication date: September 9, 2004Inventors: Mu-Jen Lai, Chia-Cheng Liu, Chiung-Yu Chang
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Publication number: 20030003613Abstract: A light emitting diode having a transparent substrate and a method for manufacturing the same. The light emitting diode is formed by creating two semiconductor multilayers and bonding them. The first semiconductor multilayer is formed on a non-transparent substrate. The second semiconductor multilayer is created by forming an amorphous interface layer on a transparent substrate. The two semiconductor multilayers are bonded and the non-transparent substrate is removed, leaving a semiconductor multilayer with a transparent substrate.Type: ApplicationFiled: March 6, 2002Publication date: January 2, 2003Inventors: Min-Hsun Hsieh, Keun-Ru Chuang, Shane-Shyan Wey, Chih-Chiang Lu, Ming-Jiunn Jou, Shu-Wen Sung, Chia-Cheng Liu, Chao-Nien Huang
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Patent number: RE42422Abstract: A light emitting diode having a transparent substrate and a method for manufacturing the same. The light emitting diode is formed by creating two semiconductor multilayers and bonding them. The first semiconductor multilayer is formed on a non-transparent substrate. The second semiconductor multilayer is created by forming an amorphous interface layer on a transparent substrate. The two semiconductor multilayers are bonded and the non-transparent substrate is removed, leaving a semiconductor multilayer with a transparent substrate.Type: GrantFiled: March 15, 2007Date of Patent: June 7, 2011Assignee: Epistar CorporationInventors: Min-Hsun Hsieh, Kuen-Ru Chuang, Shu-Wen Sung, Chia-Cheng Liu, Chao-Nien Huang, Shane-Shyan Wey, Chih-Chiang Lu, Ming-Jiunn Jou