Patents by Inventor Yi-Pai Huang
Yi-Pai Huang 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: 20140002759Abstract: The present disclosure provides a liquid crystal lens, a controlling method thereof and a 3D display using the same. The liquid crystal lens includes a pair of electrode structures which are arranged apart from each other; and a liquid crystal layer which is arranged between the pair of electrode structures and includes a plurality of liquid crystal molecules aligned in an initial aligning direction in which the liquid crystal layer has a non-lens effect. The pair of electrode structures are arranged to generate a first electric field which is used to change aligning directions of the liquid crystal molecules to make the liquid crystal layer have a lens effect. The pair of electrode structures are further arranged to generate a second electric field which is used to make the liquid crystal molecules revert to the initial aligning direction.Type: ApplicationFiled: August 30, 2013Publication date: January 2, 2014Applicant: Shenzhen Super Perfect Optics LTD.Inventors: Chih-Wei Chen, Po-Chuan Chen, Yi-Pai Huang, Jian-Jun Li
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Publication number: 20130342430Abstract: A color sequential image method for displaying images using two color fields includes analyzing and sorting percentages of a plurality of colors constituting an input color image, in which a first color possesses a most percentage, a second color possesses a middle percentage, and a third color possesses a third percentage. The method further includes forming a first color field image according to the first color and the third color, and a second color field image according to the second color and the third color.Type: ApplicationFiled: November 19, 2012Publication date: December 26, 2013Applicants: NATIONAL CHIAO TUNG UNIVERSITY, WISTRON CORP.Inventors: Yi-Pai Huang, Chi-Wen CHANG, Fang-Cheng LIN, Han-Ping SHIEH, Meng-Chao KAO, Hui-Chen LIN, Szu-Fen CHEN
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Publication number: 20130336002Abstract: A backlight module has a light guide plate, a notch structure, a light absorption layer, and at least one light source. The light guide plate has a light-emitting surface and at least one side surface forming an angle with the light-emitting surface. The notch structure is continuously formed on the side surface and concave towards the inside of the light guide plate. The light absorption layer is distributed on an area substantially overlapping the notch structure, and the light source is stored in the notch structure.Type: ApplicationFiled: June 14, 2012Publication date: December 19, 2013Inventors: Yi-Pai HUANG, Ching-Yi HSU, Chih-Hung TING, Che-Hsuan YANG
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Patent number: 8593394Abstract: A cumulative function of image is obtained according to its gray levels of pixels. This function is then mapped to obtain a backlight modulation function according to a reference line. The backlight brightness provided for different regions of the liquid crystal display are decided by the backlight modulation function while displaying the images.Type: GrantFiled: November 2, 2012Date of Patent: November 26, 2013Assignee: AU Optronics CorporationInventors: Fanf-Cheng Lin, Cheng-Yu Liao, Lin-Yao Liao, Yi-Pai Huang, Te-Mei Wang, Han-Ping D. Shieh
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Patent number: 8564517Abstract: A displaying method for field sequential color displays using two color fields to produce a full color image is disclosed. The displaying method includes: providing a target full color image, displaying a first color field and displaying a second color field. The target full color image is formed by a first color image optical stimulus, a second color image optical stimulus and a third color image optical stimulus. The first color field displays the first color image optical stimulus and a first part of the third color image optical stimulus, while the second color field displays the second color image optical stimulus and a second part of the third color image optical stimulus, which compensates the shortage of the third color image optical stimulus in the first color field. The target full color image is generated by displaying the first and second color fields in sequence, so as to decrease the displaying frequency of field sequential color displays.Type: GrantFiled: January 26, 2009Date of Patent: October 22, 2013Assignee: Au Optronics CorporationInventors: Yu-Kuo Cheng, Yi-Pai Huang, Yi-Ru Cheng, Han-Ping D. Shieh
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Patent number: 8564755Abstract: The present disclosure provides a liquid crystal lens, a controlling method thereof and a 3-Dimensional (3D) display using the same. The liquid crystal lens includes a pair of electrode structures which are arranged apart from each other; and a liquid crystal layer which is arranged between the pair of electrode structures and includes a plurality of liquid crystal molecules aligned in an initial aligning direction in which the liquid crystal layer has a non-lens effect. The pair of electrode structures are arranged to generate a first electric field which is used to change aligning directions of the liquid crystal molecules to make the liquid crystal layer have a lens effect. The pair of electrode structures are further arranged to generate a second electric field which is used to make the liquid crystal molecules revert to the initial aligning direction.Type: GrantFiled: December 18, 2010Date of Patent: October 22, 2013Assignee: Shenzhen Super Perfect Optics Ltd.Inventors: Chih-wei Chen, Po-chuan Chen, Yi-pai Huang, Jian-jun Li
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Patent number: 8553030Abstract: An exemplary stereo display apparatus includes a pixel array and a lens array. The pixel array includes a plurality of pixel units arrayed in parallel rows and parallel columns. The lens array covers the pixel array, and includes a plurality of lenticular lens units arrayed in said rows and columns. The lenticular lens units are parallel to each other, and the adjacent lenticular lens units arrayed in columns have a stagger arrangement along a first direction along which the pixel units are arrayed in rows, thereby the adjacent lenticular lens units arrayed in columns are arranged in terraced steps.Type: GrantFiled: March 30, 2011Date of Patent: October 8, 2013Assignee: SuperD Co. Ltd.Inventors: Chih-wei Chen, Po-chuan Chen, Yi-pai Huang, Syuan Li, Jian-jun Li
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Patent number: 8531458Abstract: An exemplary method of determining a pointing object position for three-dimensional interactive system, adapted for an interaction between a pointing object and a three-dimensional interaction display with embedded optical sensors. The method includes the steps of: acquiring a two-dimensional detected light intensity distribution caused by the pointing object acting on the three-dimensional interaction display; obtaining two light-shading intensity maximum values according to the two-dimensional detected light intensity distribution; and determining a one-dimensional positional information of the pointing object on a distance direction of the pointing object relative to the three-dimensional interaction display by use of the positional distance between the two light-shading intensity maximum values.Type: GrantFiled: June 30, 2010Date of Patent: September 10, 2013Assignee: AU Optronics Corp.Inventors: Yi-Pai Huang, Guo-Zhen Wang, Tsung-Wei Pai, Pi-Cheng Wu, Chi-Mao Hung, Wei-Min Sun, Yi-Chien Wen, Tsung-Hsien Hsieh
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Patent number: 8531506Abstract: An interactive stereo display system and a method for calculating a three-dimensional (3D) coordinate are provided. The interactive stereo display system includes a plurality of interactive devices, a stereo display panel, and a processing unit. When the stereo display panel is irradiated by a light radiated from a light source of each interactive device, an image of each light filtered by a color filter is captured by an in-cell type optical sensor array. After receiving the images, the processing unit determines overlapping circle objects in each image and identifies the circle object formed by each light source according to a light intensity value at the center of each circle objects. Accordingly, the 3D coordinate of each interactive device relative to the stereo display panel can be calculated according to the center and a radius of each circle object corresponding to each light source.Type: GrantFiled: May 26, 2011Date of Patent: September 10, 2013Assignee: Au Optronics CorporationInventors: Guo-Zhen Wang, Shuan-Yu Tung, Ming-Ching Ma, Yi-Pai Huang, Shu-Wen Tzeng, Hung-Wei Tseng
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Patent number: 8520154Abstract: A liquid crystal display panel includes a first substrate, a second substrate, a first electrode, a second electrode, a third electrode, an isolating layer, and a conductor. The first electrode is disposed between the first substrate and the isolating layer, on which the conductor is disposed. Each of the second and third electrodes is disposed on the second substrate and includes a contact surface. The second and third electrodes are not in contact with each other and are separated by a gap. The conductor is disposed in accordance with the location of the gap.Type: GrantFiled: May 30, 2011Date of Patent: August 27, 2013Assignee: AU Optronics Corp.Inventors: Jeng-Fang Wu, Yi-Pai Huang, Ting-Jui Chang, Wei-Lung Liao, Shui-Chih Lien
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Patent number: 8451199Abstract: A color adjustment method for a color sequential liquid crystal display (LCD) having at least one white light source is provided. In the color adjustment method, firstly, an original image signal is converted into a target color point located in a chromaticity diagram in a color space. Then, a modified image signal having white data is calculated according to the original image signal. Afterwards, the modified image signal is converted into a main color point located in the chromaticity diagram by using a matrix group. Then, a plurality of subfield data are calculated according to the main color point and the target color point. The subfield data are used for enabling the main color point to fall on the target color point.Type: GrantFiled: June 2, 2010Date of Patent: May 28, 2013Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Yi-Pai Huang, Han-Ping Shieh, Yi-Ling Chen, Fang-Cheng Lin, Chun-Ho Chen, Wen-Chih Tai, Shian-Jun Chiou
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Publication number: 20130088682Abstract: A controllable optical device comprises a first substrate, a first conductive layer, a liquid crystal layer, a semiconductor conductive layer, a second conductive layer, and a second substrate. The first conductive layer is formed on the first substrate, the liquid crystal layer is formed on the first conductive layer, the semiconductor conductive layer is formed on the liquid crystal layer, the second conductive layer is formed on the semiconductor layer, and the second substrate is formed on the second conductive layer.Type: ApplicationFiled: December 28, 2011Publication date: April 11, 2013Applicant: National Chiao Tung UniversityInventors: Li-Wei LIU, Chih-Wei CHEN, Yong-Ren SU, Yi-Pai HUANG
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Publication number: 20130044093Abstract: A display includes a backlight source, display panel, first light source, and controller. The display panel includes a sensor array for sensing first reflection light generated from an object reflecting first detection light. The first detection light is generated by the backlight source for locating a coordinate of a projection point of the object on the display panel. The first light source is disposed in a first side of the display panel, for repeatedly transmitting second detection light of different transmitting angles to the object at different time to generate a second reflection light. The second reflection light is sensed by the sensor array. The controller is for performing a corresponding operation according to a transmitting angle of the first light source and the coordinate of the projection point when brightness value of the reflective light is substantially greater than a predict value.Type: ApplicationFiled: August 17, 2012Publication date: February 21, 2013Applicant: AU OPTRONICS CORP.Inventors: Guo-Zhen Wang, An-Thung Cho, Ming-Ching Ma, Jiun-Jye Chang, Shuan-Yu Tung, Yi-Pai Huang, Min-Feng Chiang, Wei-Lung Liao
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Patent number: 8368728Abstract: An adaptive feedback control method of a field sequential color display includes converting gray-scale values of a three primary color field of an input image into gray-scale values of a new three primary color field and a dominated color field (D-field); performing sampling; performing a pixel by pixel sum operation for each separated color through color gamut conversion to obtain a color difference sum; performing a feedback control at a bit precision to obtain a minimum color difference sum; and then performing a liquid crystal/backlight synchronization step of synchronizing a liquid crystal signal and a backlight gray-scale value of the input image; or dividing the input image into a plurality of blocks; performing feedback control operations; obtaining a minimum sum in each block to serve as an optical backlight value, thereby reducing a CBU phenomenon, and minimizing or controlling the generated CBUs to reduce the operation loads.Type: GrantFiled: February 2, 2010Date of Patent: February 5, 2013Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Chun-Ho Chen, Shih-Hsun Chien, Fang-Cheng Lin, Yi-Pai Huang, Han-Ping Shieh, Wen-Chih Tai, Shian-Jun Chiou
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Patent number: 8368627Abstract: An adaptive feedback control method of a field sequential color display includes: a rearrangement step of converting gray-scale values of a three primary color field of an input image into gray-scale values of a new three primary color field and a dominated color field; a sampling step of performing a pixel sampling on a resolution of the input image in a sampling interval; a feedback control step of performing a pixel by pixel sum operation for each separated color on a color break-up value and a color value of the input image in a Lu?v? color space to obtain a color difference sum, and performing a feedback control at a bit precision on the color difference sum; and a liquid crystal/backlight synchronization step of synchronizing a liquid crystal signal and a backlight grayscale value of the input image according to the minimum color difference sum.Type: GrantFiled: February 24, 2009Date of Patent: February 5, 2013Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Chun-Ho Chen, Yi-Pai Huang, Ke-Horng Chen, Fang-Cheng Lin, Han-Ping Shieh, Chi-Chung Tsai
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Patent number: 8345174Abstract: A liquid crystal display panel includes a first substrate, a second substrate, a first electrode, a second electrode, a third electrode, an isolating layer, and a conductor. The first electrode is disposed between the first substrate and the isolating layer, on which the conductor is disposed. Each of the second and third electrodes is disposed on the second substrate and includes a contact surface. The second and third electrodes are not in contact with each other and are separated by a gap. The conductor is disposed in accordance with the location of the gap.Type: GrantFiled: May 30, 2011Date of Patent: January 1, 2013Assignee: AU Optronics Corp.Inventors: Jeng-Fang Wu, Yi-Pai Huang, Ting-Jui Chang, Wei-Lung Liao, Shui-Chih Lien
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Patent number: 8345194Abstract: The present invention discloses a liquid crystal lens and a manufacturing method thereof. At least one first electrode is disposed on a first substrate, a first alignment layer is disposed on the first electrode, a liquid crystal layer is disposed on the first alignment layer, a second alignment layer is disposed on the liquid crystal layer, an electric field uniformization layer is disposed on the second alignment layer, at least one second electrode and at least one third electrode are disposed on the electric field uniformization layer, and the second electrode is arranged around the third electrode. A second substrate is disposed on the second electrode and the third electrode. The third electrode which matches up with the second electrode produces an electric field gradient and the liquid crystal layer is affected uniformly by the electric field uniformization layer so as to achieve rapid focus purpose by the liquid crystal.Type: GrantFiled: September 23, 2010Date of Patent: January 1, 2013Assignee: National Chiao Tung UniversityInventors: Lin-Yao Liao, Yi-Pai Huang, Yu-Min Lin, Han-Ping D. Shieh
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Publication number: 20120320097Abstract: A 3D display panel includes a plurality of first and second viewing angle pixels arranged along a first direction for displaying first and second viewing angle images respectively. The first viewing angle pixels and the second viewing angle pixels are interlacedly arranged along a second direction. A method for controlling pixel brightness of the 3D display panel includes determining a brightness value of a first block of a first viewing angle pixel according to a brightness value of the first viewing angle pixel and a brightness value of a second viewing angle pixel next to the first viewing angle pixel along the second direction, and determining a brightness value of a second block of the first viewing angle pixel according to the brightness value of the first block of the first viewing angle pixel and the brightness value of the first viewing angle pixel.Type: ApplicationFiled: October 30, 2011Publication date: December 20, 2012Inventors: Chih-Yao Ma, Yu-Cheng Chang, Yi-Pai Huang, Cheng-Han Tsao, Chao-Yuan Chen
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Patent number: 8330704Abstract: A cumulative function of image is obtained according to its gray levels of pixels. This function is then mapped to obtain a backlight modulation function according to a reference line. The backlight brightness provided for different regions of the liquid crystal display are decided by the backlight modulation function while displaying the images.Type: GrantFiled: August 31, 2007Date of Patent: December 11, 2012Assignee: AU Optronics CorporationInventors: Fang-Cheng Lin, Cheng-Yu Liao, Lin-Yao Liao, Yi-Pai Huang, Te-Mei Wang, Han-Ping Shieh
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Patent number: 8279270Abstract: A three dimensional display includes a display panel and a view-scanning layer. The display panel is used to display many display images quickly. The view-scanning layer is disposed on the display panel and receives the display images. The view-scanning layer has many light refracting modulation regions. Each of the light refracting modulation regions includes a view-scanning unit. The view-scanning unit changes an ongoing direction of a light according to an applied electric field so as to project a part of each of the display images at different view directions. Here, each of the view directions corresponds to the ongoing direction of the light.Type: GrantFiled: August 12, 2009Date of Patent: October 2, 2012Assignee: National Chiao Tung UniversityInventors: Yi-Pai Huang, Chih-Wei Chen, To-Chiang Shen