Patents by Inventor Hun-Wei Chen
Hun-Wei Chen 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: 8203514Abstract: A color sequential liquid crystal display (LCD) device is disclosed in the present invention. The color sequential LCD device includes an LCD panel, a backlight module, an image processing circuit and a timing control circuit. The image processing circuit is utilized for performing image processing on an image data to generate a frame data with full color information, and sorting the frame data to generate a plurality of frame data based on a predetermined color sequence. The timing controller is utilized for controlling the LCD panel and the backlight module to display the plurality of field data outputted by the image processing circuit, so as to achieve color mixing in time domain.Type: GrantFiled: February 11, 2009Date of Patent: June 19, 2012Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Ying-Chung Su, Shian-Jun Chiou, Jhen-Shen Liao, Wen-Chih Tai, Hun-Wei Chen, Ming-Ta Hsieh
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Patent number: 8193725Abstract: A backlight module control system includes a plurality of backlight sub-modules, a control signals output unit, a voltage converter and a plurality of current control units. The control signals output circuit is for providing a voltage control signal, a current control signal and a plurality of PWM signals; the voltage converter is coupled to the control signals output circuit and the backlight sub-modules, and is for outputting an output voltage to the backlight sub-modules according to the voltage control signal; the current control units are coupled to the backlight sub-modules, respectively, and each current control unit is for determining a current of its corresponding backlight sub-module according to the current control signal, and each current control unit is further utilized for determining whether its corresponding backlight sub-module is enabled or not according to its corresponding PWM signal. In addition, only one backlight module is enabled at a same time.Type: GrantFiled: April 16, 2009Date of Patent: June 5, 2012Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Ke-Horng Chen, Chun-Yu Hsieh, Chia-Lin Liu, Chi-Neng Mo, Hun-Wei Chen, Ming-Tsung Ho
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Patent number: 8120573Abstract: In a line data sorting unit of a color sequential timing controlling circuit, inputted pixels/sub-pixels are buffered, sorted, and outputted. The pixels/sub-pixels are also sorted by a color data sorting unit according to the color sequential method and colors of sub-pixels so that a driving controller writes sorted sub-pixels of various colors onto a display panel within a short time variation to generate a full-color frame. The line data sorting unit buffers pixels/sub-pixels as a matrix, and loads the buffered pixels/sub-pixels line-by-line with respect to the matrix, where the pixels/sub-pixels are arranged and read in parallel according to sizes of lines of the matrix and a number of simultaneously-activated gate lines of a scanning driver.Type: GrantFiled: January 19, 2010Date of Patent: February 21, 2012Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Shian-Jun Chiou, Wen-Chih Tai, Hun-Wei Chen
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Publication number: 20110102473Abstract: A color sequential display apparatus and a driving method thereof are provided. The color sequential display apparatus includes an image processing circuit and a display panel coupling to the image processing circuit. The image processing circuit is used to receive an image signal of a color frame to generate output signals of a plurality of fields. To be more specific, the image signal of the color frame is categorized and segmented by the image processing circuit according to a color information and the fields to generate the output signals of the fields. Besides, the output signals of the fields are further transmitted by the image processing circuit according to a predetermined color sequence. On the other hand, the display panel has a plurality of display regions. Each of the display regions receives the output signal of the corresponding field to display.Type: ApplicationFiled: January 8, 2010Publication date: May 5, 2011Applicant: CHUNGHWA PICTURE TUBES, LTD.Inventors: Shian-Jun Chiou, Hun-Wei Chen
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Publication number: 20110063525Abstract: In a line data sorting unit of a color sequential timing controlling circuit, inputted pixels/sub-pixels are buffered, sorted, and outputted. The pixels/sub-pixels are also sorted by a color data sorting unit according to the color sequential method and colors of sub-pixels so that a driving controller writes sorted sub-pixels of various colors onto a display panel within a short time variation to generate a full-color frame. The line data sorting unit buffers pixels/sub-pixels as a matrix, and loads the buffered pixels/sub-pixels line-by-line with respect to the matrix, where the pixels/sub-pixels are arranged and read in parallel according to sizes of lines of the matrix and a number of simultaneously-activated gate lines of a scanning driver.Type: ApplicationFiled: January 19, 2010Publication date: March 17, 2011Inventors: Shian-Jun Chiou, Wen-Chih Tai, Hun-Wei Chen
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Publication number: 20100264847Abstract: A backlight module control system includes a plurality of backlight sub-modules, a control signals output unit, a voltage converter and a plurality of current control units. The control signals output circuit is for providing a voltage control signal, a current control signal and a plurality of PWM signals; the voltage converter is coupled to the control signals output circuit and the backlight sub-modules, and is for outputting an output voltage to the backlight sub-modules according to the voltage control signal; the current control units are coupled to the backlight sub-modules, respectively, and each current control unit is for determining a current of its corresponding backlight sub-module according to the current control signal, and each current control unit is further utilized for determining whether its corresponding backlight sub-module is enabled or not according to its corresponding PWM signal. In addition, only one backlight module is enabled at a same time.Type: ApplicationFiled: April 16, 2009Publication date: October 21, 2010Inventors: Ke-Horng Chen, Chun-Yu Hsieh, Chia-Lin Liu, Chi-Neng Mo, Hun-Wei Chen, Ming-Tsung Ho
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Publication number: 20100127959Abstract: A color sequential liquid crystal display (LCD) device is disclosed in the present invention. The color sequential LCD device includes an LCD panel, a backlight module, an image processing circuit and a timing control circuit. The image processing circuit is utilized for performing image processing on an image data to generate a frame data with full color information, and sorting the frame data to generate a plurality of frame data based on a predetermined color sequence. The timing controller is utilized for controlling the LCD panel and the backlight module to display the plurality of field data outputted by the image processing circuit, so as to achieve color mixing in time domain.Type: ApplicationFiled: February 11, 2009Publication date: May 27, 2010Inventors: Ying-Chung Su, Shian-Jun Chiou, Jhen-Shen Liao, Wen-Chih Tai, Hun-Wei Chen, Ming-Ta Hsieh
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Publication number: 20090105974Abstract: A light emitting component control device includes a voltage detecting unit, a storage device and a microprocessor. The voltage detecting unit is used for detecting a voltage of at least one light emitting component. The storage device is used for storing a look-up table that comprises a corresponding relation between a plurality of voltages of the light emitting component and a plurality of luminance levels of the light emitting component. The processor is coupled to the voltage detecting unit and the storage device, and is used for determining a luminance level of the light emitting component according to the voltage and the corresponding relation.Type: ApplicationFiled: March 10, 2008Publication date: April 23, 2009Inventors: Tzu-Pin Lin, Hun-Wei Chen, Shih-Min Wu
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Patent number: 7334903Abstract: A light source module is provided. The light source module includes a reflector, a light source, a transparent cover, a fluorescent material layer, and an optical lens. The light source is disposed inside the reflector, and the light source is suitable for emitting light including white light. The light source is enveloped with the transparent cover and the reflector. The fluorescent material layer is disposed on the transparent cover and the light emitted from the light source is suitable for exciting the fluorescent material layer to emit red light. The optical lens is disposed on an optical path of the light source, and the transparent cover is located between the optical lens and the light source. By utilizing the aforementioned structures, the intensity of the red light can be increased. Moreover, an optical projection system is also provided.Type: GrantFiled: August 3, 2005Date of Patent: February 26, 2008Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Hun-Wei Chen, Shih-Min Wu, Chi-Neng Mo
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Publication number: 20070171379Abstract: A system of changing environment influence on display is applied to a projection system. A reflection device is disposed between light management module and lenses module and configured for preventing environment light from the lenses module, so as to change the brightness of dark field and enhance contrast for display screen.Type: ApplicationFiled: January 26, 2006Publication date: July 26, 2007Inventors: Hun-Wei Chen, Shih-Min Wu, Chi-Neng Mo
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Publication number: 20070002282Abstract: A light source module is provided. The light source module includes a reflector, a light source, a transparent cover, a fluorescent material layer, and an optical lens. The light source is disposed inside the reflector, and the light source is suitable for emitting light including white light. The light source is enveloped with the transparent cover and the reflector. The fluorescent material layer is disposed on the transparent cover and the light emitted from the light source is suitable for exciting the fluorescent material layer to emit red light. The optical lens is disposed on an optical path of the light source, and the transparent cover is located between the optical lens and the light source. By utilizing the aforementioned structures, the intensity of the red light can be increased. Moreover, an optical projection system is also provided.Type: ApplicationFiled: August 3, 2005Publication date: January 4, 2007Inventors: Hun-Wei Chen, Shih-Min Wu, Chi-Neng Mo