Patents Assigned to TPO Display Corp.
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Publication number: 20090284500Abstract: The display device of the present invention includes a display area having a plurality of pixels arranged in rows and columns, at least one source driving device providing power or electric charges for the pixels through source lines, at least one gate driving device controlling the pixels through gate lines, and a boundary switch separating the display area into a plurality of sub-display areas and placed between the sub-display areas to connect or disconnect the source lines and/or the gate lines. When the boundary switch disconnects the source lines and/or the gate lines, the sub-display area directly connecting with the source driving device or the gate driving device will be driven.Type: ApplicationFiled: May 14, 2009Publication date: November 19, 2009Applicant: TPO Displays Corp.Inventor: Keitaro YAMASHITA
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Publication number: 20090278121Abstract: A system for displaying images includes a thin film transistor array substrate including a substrate with thin film transistors array and at least one light-sensing element containing an amorphous silicon layer formed on the substrate, wherein the light-sensing element has a current flow direction perpendicular to the substrate.Type: ApplicationFiled: April 21, 2009Publication date: November 12, 2009Applicant: TPO Displays Corp.Inventors: Ramesh Kakkad, Keiichi Sano, Fu-Yuan Hsueh, Chih-Chung Liu, Sheng-Wen Chang
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Patent number: 7616177Abstract: A pixel driving circuit with threshold voltage and EL power compensation. The pixel circuit includes a storage capacitor, a transferring circuit, a driving element, and a switching circuit. The transferring circuit transfers a data signal or a variable reference signal to a first node of the storage capacitor. The driving element has a first terminal coupled to a first fixed potential and a second terminal coupled to a second node of the storage capacitor. The switching circuit is coupled to a third terminal of the driving element and the second node of the storage capacitor. The switching circuit can be controlled to make the driving element diode-connected in one time period and allowing a driving current to be output to a display element in another time period.Type: GrantFiled: July 1, 2005Date of Patent: November 10, 2009Assignee: TPO Displays Corp.Inventors: Du-Zen Peng, Shih-Feng Huang
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Patent number: 7616278Abstract: Systems for displaying images are provided. A representative system comprises a wide viewing angle liquid crystal display with multi-film compensation. A liquid crystal display comprising a first substrate, a second substrate, and a liquid crystal layer sandwiched between the first substrate and the second substrate. A first compensation film is interposed between the first polarizer and the first substrate. A second compensation film interposed between the second polarizer and the second substrate. The first compensation film and the second compensation film comprise different birefringence polarities.Type: GrantFiled: December 5, 2005Date of Patent: November 10, 2009Assignee: TPO Displays Corp.Inventors: Chia-Yi Tsai, Li-Sen Chuang, Yih-Jun Wong
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Patent number: 7616279Abstract: An array substrate including a substrate, multiple pixels arranged in an array on the substrate, and an alignment film disposed on the pixels is provided. The pixel includes a reflective region, a transmissive region, and a transition region formed between the reflective region and the transmissive region, wherein an included angle between at least one side of the transition region and a rubbing direction of the alignment film is smaller than or equal to 30 degree. In addition, a transflective LCD including the array substrate as described above and a fabricating method of an array substrate is further provided.Type: GrantFiled: January 18, 2006Date of Patent: November 10, 2009Assignee: TPO Displays Corp.Inventors: Ching-Yu Jang, Chia-Ching Chu, Ying-Yi Chen
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Patent number: 7615706Abstract: A layout of a printed circuit board adaptive to be bonded to an integrated circuit device is introduced here. The layout includes a first metal layer, disposed in a first insulation layer and a second metal layer, disposed in a second insulation layer over the first insulation layer. The first metal layer and the second metal layer are connected to each other through a plurality of contact hole filled with conductive materials and are arranged to be substantially parallel to each other throughout a pad structure region and a line structure region of the printed circuit. The connected first metal layer and second metal layer are used for a signal path from the printed circuit board to the bonded integrated circuit device to improve driving ability of power supply.Type: GrantFiled: August 21, 2006Date of Patent: November 10, 2009Assignee: TPO Displays Corp.Inventors: Cheng-Hsin Chen, Kuang-Cheng Kao, Chen-Yu Yang
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Publication number: 20090273723Abstract: An LCD device comprises upper substrate, lower substrate, and a liquid crystal (LC) cell disposed therebetween. The LC cell comprises liquid crystals. According to the present invention, in the LCD device which applies voltage to the liquid crystals to control transmissive light for proceeding display, the liquid crystals are applied with a voltage larger than a predetermined voltage for proceeding display. The reflect light and the transmissive light of the liquid crystals are the predetermined color under a condition without applying the voltage thereto.Type: ApplicationFiled: April 29, 2009Publication date: November 5, 2009Applicant: TPO Displays Corp.Inventor: Minoru SHIBAZAKI
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Publication number: 20090272978Abstract: An image display system and manufacturing method are disclosed. According to the present invention, the image display system comprises a substrate, a switching TFT, a driving TFT, a photo sensor and a capacitor. A buffer layer is formed on a substrate. A separation layer is formed in a first area for forming a switching TFT, but no heat sink layer is formed thereon. A heat sink layer is formed on a second area for forming the driving TFT, the photo sensor and the capacitor, and then, the separation layer is formed thereafter. The present invention can form poly silicon layers with different crystal grain sizes on the first area and on the second area in a single laser crystallization process by utilizing the heat sink phenomenon of ELA with or without the heat sink layer. Therefore, the image display system of the present invention can operate with good luminance uniformity.Type: ApplicationFiled: April 29, 2009Publication date: November 5, 2009Applicant: TPO Displays Corp.Inventors: Yu-Chung Liu, Te-Yu Lee
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Patent number: 7612379Abstract: An image display system has a multi-gate thin film transistor (TFT) disposed on a transparent substrate. The multi-gate TFT includes a silicon film layer, a first electrode and a reflecting layer. The silicon film layer is formed on the transparent substrate and has a first crystallization zone and a second crystallization zone, which are not adjacent to each other. A grain size of the first crystallization zone is smaller than a grain size of the second crystallization zone. The first electrode corresponding to the first crystallization zone is disposed on the silicon film layer. The reflecting layer corresponding to the second crystallization zone is disposed on the transparent substrate. The silicon film layer is disposed on the transparent substrate and the reflecting layer.Type: GrantFiled: November 9, 2007Date of Patent: November 3, 2009Assignee: TPO Displays Corp.Inventors: Yoshihiro Morimoto, Ryan Lee, Hanson Liu, Fengyi Chen
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Patent number: 7612770Abstract: Systems for displaying images are provided. A representative system comprises a signal driving circuit comprising a plurality of shift registers connected in series and controlled only by a first clock and a second clock, generating corresponding driving pulses in turn in response to a start pulse. Each shift register comprises a pulse generation unit with a first clock input terminal receiving one of the first and the second clocks and a first power terminal coupled to a first power voltage, and a leakage protection unit coupled to the pulse generation unit, electrically separating the first power voltage from the received clock at the first clock input terminal.Type: GrantFiled: July 10, 2006Date of Patent: November 3, 2009Assignee: TPO Displays Corp.Inventor: Ching-Hone Lee
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Patent number: 7605793Abstract: Systems for displaying images are provided, comprising a pixel array, a first gate driver and a second gate driver. The first gate driver is disposed on a first side of the pixel array and the second gate driver is disposed on a second side opposite to the first side. The first gate driver comprises a first shift register and a first AND gate. The first shift register receives a first clock signal and a start signal to generate a first control signal. The first AND gate receives a second clock signal and the first control signal to generate a first gate signal. The second gate driver comprises a second shift register and a second AND gate. The second shift register receives a second clock signal and a start signal to generate a second control signal. The second AND gate receives a first clock signal and the second control signal to generate a second gate signal.Type: GrantFiled: August 29, 2006Date of Patent: October 20, 2009Assignee: TPO Displays Corp.Inventor: Szu-Hsien Lee
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Patent number: 7602364Abstract: An image sticking elimination circuit is provided for an abnormal power-off of a display unit. The image sticking elimination circuit comprises: a charge storage device and an isolation device. The isolation device being turned on when the abnormal power-off of a display occurs; wherein the charge storage device releases charges stored therein when the isolation device is turned on.Type: GrantFiled: October 7, 2004Date of Patent: October 13, 2009Assignee: TPO Displays Corp.Inventors: An Shih, Wenlong Weng, Chien-Chih Chen, Chao-Yu Meng
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Publication number: 20090253233Abstract: A method of fabricating a bonding structure having compliant bumps includes first providing a first substrate and a second substrate. The first substrate includes first bonding pads. The second substrate is disposed on one side of the first substrate and includes second bonding pads and compliant bumps disposed thereon. The second bonding pads are opposite to the first bonding pads. Next, a non-conductive adhesive layer and ball-shaped spacers are formed between the first and the second substrates. Finally, the first substrate, the non-conductive adhesive layer, and the second substrate are compressed, such that the compliant bumps on the second bonding pads of the second substrate pass through the non-conductive adhesive layer and are electrically connected to the first bonding pads of the first substrate, respectively. The ball-shaped spacers are distributed in the non-conductive adhesive layer sandwiched between the first and the second substrates for maintaining the gap therebetween.Type: ApplicationFiled: June 18, 2009Publication date: October 8, 2009Applicants: Taiwan TFT LCD Association, Chunghwa Picture Tubes, LTD., AU Optronics Corporation, Hannstar Display Corporation, CHI Mei Optoelectronics Corporation, Iindustrial Technology Research Institute, TPO Display Corp.Inventors: Shyh-Ming Chang, Sheng-Shu Yang
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Patent number: 7599018Abstract: Systems for displaying images are provided. An embodiment of a system comprises a liquid crystal display device with a liquid crystal display module incorporated thereinto. The flat display module primarily includes a display unit, a plastic frame, a bezel and a flexible sealant disposed between the plastic frame and the bezel. The plastic frame surrounds the display unit and has a protrusion. During assembly, the protrusion is inlaid into the flexible sealant to seal the gap between the plastic frame and the bezel, thereby preventing incursion of dust into the display unit.Type: GrantFiled: September 21, 2006Date of Patent: October 6, 2009Assignee: TPO Displays Corp.Inventors: Jui-Hsieh Shen, Yi-Hui Chang
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Publication number: 20090237580Abstract: A system for display images comprising a thin film transistor array substrate is disclosed. The system for display images comprises a substrate having a pixel area, a source/drain region overlying the substrate within an active layer in the pixel area, a bottom electrode overlying the substrate in the pixel area, a top electrode overlying the bottom electrode, a first dielectric layer disposed on the active layer, a second dielectric layer disposed on the first dielectric layer, wherein the second dielectric layer is disposed between the bottom electrode and the top electrode and a gate disposed overlying the active layer, wherein the first and second dielectric layers are interposed between the gate and the active layer.Type: ApplicationFiled: March 20, 2008Publication date: September 24, 2009Applicant: TPO Displays Corp.Inventors: Ramesh KAKKAD, Hsiao-Wei KAO, Chung-Sheng LIN, Chih-Chung LIU
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Publication number: 20090237582Abstract: A system for displaying images, having a display panel, comprising: a lower substrate with a first surface, wherein the first surface is divided into a pixel area and a driver area; a peripheral circuit within the driver area on the first surface; at least one thin film transistor is formed in the pixel area, wherein the thin film transistor comprises an active layer, a gate dielectric layer overlying the active layer, and a gate electrode overlying the gate dielectric layer, and the active layer has source and drain regions; a first transparent electrode layer directly overlapped on a portion of the drain region, electrically connected thereto; and a second transparent electrode pattern is disposed on the gate dielectric layer, opposing the first transparent electrode layer.Type: ApplicationFiled: March 19, 2008Publication date: September 24, 2009Applicants: TPO Displays Corp.Inventors: Ramesh KAKKAD, Chieh-Wen Lin
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Patent number: 7592628Abstract: A system for displaying images comprises a thin film transistor (TFT) device comprising first and second active layers disposed on a substrate in the driving circuit region and in the pixel region, respectively. Each active layer comprises a channel region, a source/drain region and a lightly doped region formed therebetween. Two gate structures are disposed on the first and second active layers, respectively. Each gate structure comprises a stacked first and second gate dielectric layers and a gate layer, and the second gate dielectric layer has a length shorter than that of the first gate dielectric layer but longer than the gate length of the gate layer. The lightly doped region of the first active layer has a length different from that of the second active layer.Type: GrantFiled: July 21, 2006Date of Patent: September 22, 2009Assignee: TPO Displays Corp.Inventors: Yoshihiro Morimoto, Ryan Lee
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Patent number: 7587803Abstract: A process for assembling a camera module comprises the following steps:—placing the substrate (10) on a positioning die (70);—irradiating the lens assembly (30) with parallel rays of light (90);—displacing a lens assembly (30) comprising the convex lens (33) in an axial direction;—measuring the light intensity of light passing through a spot hole (75) by means of a light sensor (80) being accommodated in the positioning die (70);—determining an optimal axial position of the lens assembly (30) on the basis of an obtained light intensity curve;—bringing the lens assembly (30) to the optimal axial position;—removing the positioning die (70); and—attaching an image sensor chip to a bottom surface (12) of the substrate (10).Type: GrantFiled: September 26, 2003Date of Patent: September 15, 2009Assignee: TPO Displays Corp.Inventors: Vincent Johannes Jacobus Montfort, Fransiscus Gerardus Coenradus Verweg
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Publication number: 20090225096Abstract: Disclosed is an LCD display utilizing a frame memory and a lookup table for pixel overdrive. A plurality of pixels is arranged in an array corresponding to the gate lines and the source lines. The frame memory is a memory formed by at least one storage capacitor and at least one thin film transistor in each pixel. Moreover, a compression unit and a decompression unit are coupled with the frame memory. The compression unit outputs compressed gradation data of the present image. The decompression unit outputs decompressed gradation data of the former image.Type: ApplicationFiled: March 5, 2009Publication date: September 10, 2009Applicant: TPO Displays Corp.Inventors: Masahiro Yoshiga, Naoki Sumi, Keitaro Yamashita
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Publication number: 20090219295Abstract: For reducing power consumption of a display, whether a currently received frame data is different from a currently displayed frame data or not is discriminated. If the currently received frame data is different from the currently displayed frame data, execute data refresh in a normal way. If the currently received frame data is not different from the currently displayed frame data, suspend data refresh for saving power.Type: ApplicationFiled: November 26, 2008Publication date: September 3, 2009Applicant: TPO Displays Corp.Inventor: Jozef Hubert Reijnaerts