Patents Assigned to Hannstar Display Corp.
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Patent number: 9459473Abstract: An integrated gate driver circuit includes a control circuit, a plurality of drive stages and a plurality of discharge transistors. The control circuit is configured to output a plurality of clock signals within a frame period and to output a discharge enabling signal within a blanking period of the frame period. Each of the drive stages receives the clock signals and includes an output terminal configured to output a gate driving signal. Each of the discharge transistors is coupled to the output terminal of one of the drive stages and discharges the output terminal according to the discharge enabling signal thereby eliminating the voltage fluctuation of the output terminal in the blanking period.Type: GrantFiled: February 20, 2013Date of Patent: October 4, 2016Assignee: HANNSTAR DISPLAY CORPInventors: Chun-Chin Tseng, Ya-Wen Lee, Kuo-Wen Pan
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Patent number: 9224544Abstract: A trace structure for a touch panel having a transparent substrate with a touch sensing region and a border region surrounding the touch sensing region, the trace structure including: a plurality of traces disposed on the transparent substrate and within the border region; a plurality of bonding pads disposed in the border region of the transparent substrate, wherein each bonding pad has a first side and a second side, and the first side of each bonding pad is connected to a corresponding trace of the plurality of traces; and at least two trace extending portions extended toward an outer edge of the border region from the second side of two of the plurality of bonding pads.Type: GrantFiled: June 26, 2013Date of Patent: December 29, 2015Assignee: HANNSTAR DISPLAY CORPInventors: Hung-Chen Kao, Yu-Sheng Lin, Chia-Feng Teng
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Patent number: 9170448Abstract: A display apparatus includes a transparent substrate, a transparent matrix layer, a black matrix layer and a conductive layer. The transparent matrix layer is disposed above the transparent substrate. The black matrix layer is disposed below the transparent substrate. The conductive layer is disposed between the transparent substrate and the black matrix layer.Type: GrantFiled: June 26, 2012Date of Patent: October 27, 2015Assignee: HANNSTAR DISPLAY CORP.Inventors: Feng-Wei Kuo, Ko-Ruey Jen, Chia-Hua Yu, I-Fang Wang
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Patent number: 9070895Abstract: There is provided an OLED package including a substrate, a lighting component, a compound barrier layer, a moisture absorption zone and an inorganic barrier layer. The lighting component is formed on the substrate. The compound barrier layer completely seals the lighting component configured to block moisture and oxygen. The moisture absorption zone is formed on the substrate surrounding the compound barrier layer and is not formed upon the lighting component. The inorganic barrier layer completely seals the compound barrier layer and the moisture absorption zone configured to block moisture and oxygen.Type: GrantFiled: February 19, 2013Date of Patent: June 30, 2015Assignee: Hannstar Display Corp.Inventor: Chih-Pin Lin
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Patent number: 9063620Abstract: A touch device and a fabrication method thereof are provided. The touch device includes a cover lens, a first light shielding pattern and a touch sensing element disposed on the cover lens, a passivation layer covering the touch sensing element and the first light shielding pattern, and a second light shielding pattern disposed on the passivation layer, wherein the second light shielding pattern overlaps with a part of the first light shielding pattern.Type: GrantFiled: June 4, 2012Date of Patent: June 23, 2015Assignee: HANNSTAR DISPLAY CORP.Inventors: Chien-Ting Chan, Kuo-Sheng Lee, Szu-Yu Fang, Yuan-Te Chao
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Patent number: 9029876Abstract: There is provided a pixel structure of a liquid crystal panel including a transparent substrate, and a gate line, a data line, a switching transistor, a first electrode, a second electrode and a shield layer formed on the transparent substrate. The gate line is substantially perpendicular to the data line. The switching transistor is located adjacent to a crossing point of the gate line and the data line, and is configured to input a display voltage of the data line to the second electrode according to the control of the gate line. The first electrode and the second electrode are arranged in such a way that the display voltage forms a transverse electric field between the first electrode and the second electrode. The shield layer overlaps at least a part of the gate and is electrically isolated from the first electrode and the second electrode.Type: GrantFiled: December 19, 2011Date of Patent: May 12, 2015Assignee: Hannstar Display Corp.Inventors: Chia Hua Yu, I Fang Wang, Feng Weei Kuo, Jui Chi Lai, Ko Ruey Jen, Guang Shiung Chao
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Patent number: 9013419Abstract: An embodiment of this invention provides a touch panel, which comprises a touch screen and a display. The touch screen comprises a patterned, transparent first conductive layer comprising a sensing pattern and a shielding pattern. The touch panel features in that the touch screen employs the sensing pattern as a sensing layer, and the display employs the shielding pattern as an electrostatic protection layer.Type: GrantFiled: October 20, 2011Date of Patent: April 21, 2015Assignee: Hannstar Display Corp.Inventors: Hsu-Ho Wu, Sung-Chun Lin, Yi-Chung Juan, Chang-Ching Yeh
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Patent number: 9013064Abstract: There is provided an electronic device including a power circuit and a system circuit. The system circuit includes a processing unit and a charge-discharge device. The processing unit controls the power circuit to stop providing power to the system circuit when identifying that the electronic device enters a standby state and that a discharge voltage of the charge-discharge device is higher than a predetermined voltage thereby decreasing a standby power consumption of the electronic device.Type: GrantFiled: December 19, 2011Date of Patent: April 21, 2015Assignee: Hannstar Display Corp.Inventor: Bo Min Weng
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Patent number: 8988371Abstract: Embodiments of this invention provide touch panel display, touchscreen and their producing method. In an embodiment, the touch panel display comprises a display and a touchscreen, which comprises two substrates, whose surface respectively comprise sensing patterns. In addition, conductive circuits are arranged at one of the two substrates, to connect the sensing patterns by direct or indirect manner.Type: GrantFiled: February 7, 2012Date of Patent: March 24, 2015Assignee: Hannstar Display Corp.Inventor: Wei-Hsuan Ho
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Publication number: 20150034943Abstract: The present invention discloses a thin film transistor array substrate comprising a plurality of thin film transistors, with each one thereof including a gate electrode, a gate insulation layer, an amorphous-oxide semiconductor layer and a pair of a source electrode and a drain electrode. The amorphous-oxide semiconductor layer comprises an amorphous-oxide semiconductor material having a-IGZO. The thin film transistor array substrate further comprises a first insulation layer and a second insulation layer disposed on the thin film transistors. Since the a-IGZO semiconductor layer and the thick insulation layer covered thereon are used in the present invention, a common electrode can overlap the scan lines or data lines to increase the aperture ratio of the pixel structure. Furthermore, the thick insulation layer can be fabricated through a coating process, so as to keep the a-IGZO semiconductor layer from damages during the fabrication processes.Type: ApplicationFiled: March 23, 2014Publication date: February 5, 2015Applicant: HannStar Display Corp.Inventors: Chia-Hua Yu, Hsien-Tang Hu, Ko-Ruey Jen, Jui-Chi Lai
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Patent number: 8947606Abstract: A liquid crystal lens is disclosed, comprising a plurality of lens units, wherein each lens unit comprises a first substrate, a second substrate opposite to the first substrate, a liquid crystal layer disposed between the first substrate and the second substrate, an insulating layer disposed on the first substrate, and a first electrode and a first floating electrode disposed at opposite sides of the insulating layer, wherein the first electrode comprises a first portion neighboring a first side of the lens unit and a second portion neighboring a second side of the lens unit, and the first floating electrode comprises a first portion and a second portion, wherein the first portion of the first floating electrode is partially overlapped with the first portion of the first electrode, and the second portion of the first floating electrode is partially overlapped with the second portion of the first electrode.Type: GrantFiled: March 18, 2013Date of Patent: February 3, 2015Assignee: Hannstar Display Corp.Inventors: Feng Wei Kuo, Dong Xian Yu, I Fung Wang, Chun-Chin Tseng, Chia-Hua Yu
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Patent number: 8941608Abstract: A liquid crystal display according to the present disclosure is provided. The liquid crystal display includes a frame, a backlight module, a plurality of hooking members, an LCD panel, and a touch sensor. According to the liquid crystal display of the present disclosure, wherein the hooking members on the frame may secure the touch sensor or the LCD panel on the backlight module without need of using double-sided tapes or optical adhesive.Type: GrantFiled: June 8, 2012Date of Patent: January 27, 2015Assignee: Hannstar Display Corp.Inventors: Ming Sheng Chiu, Wen Chi Lin, Hung Chen Kao, Chien Hsiang Tseng, Chia Feng Teng
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Patent number: 8941579Abstract: The present invention discloses a gate driver circuit. The gate driver circuit includes a plurality of driving units electrically connected in series, wherein the gate driver circuit receives a plurality of frequency signals and the driving units transmit a plurality of output signals sequentially. Furthermore, each driving unit includes a primary circuit, a first voltage regulator circuit and a second voltage regulator circuit.Type: GrantFiled: May 12, 2014Date of Patent: January 27, 2015Assignee: HannStar Display Corp.Inventors: Hsien-Cheng Chang, Chih-Yang Yen
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Patent number: 8928827Abstract: An embodiment of this invention provides a liquid crystal display, which comprises a thin-film transistor substrate, an upper substrate, and a liquid crystal between the two substrates. The thin-film transistor substrate comprises data lines, gate lines, and a pixel array defined by the data lines and gate lines, characterized in that each data line connects to two columns of pixel, and another one or two columns of pixel are interposed between the connected two columns of pixel.Type: GrantFiled: August 22, 2011Date of Patent: January 6, 2015Assignee: HannStar Display Corp.Inventors: Yu Tsai, Che-Yu Chuang
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Patent number: 8922500Abstract: A projective capacitive touch sensor includes a substrate, a plurality of electrode layers and a plurality of dielectric layers. The electrode layers are arranged on the substrate along a first direction. At least one dielectric layer is formed on each electrode layer and the dielectric layer has different widths along a second direction.Type: GrantFiled: October 7, 2010Date of Patent: December 30, 2014Assignee: Hannstar Display Corp.Inventors: Yi Chung Juan, Chao Hui Wu, Hung Chang Chang
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Patent number: 8907338Abstract: There is provided a semiconductor device including a first conductive layer, an insulating layer, a second conductive layer, a channel layer, a passivation layer and a third conductive layer. The insulating layer covers the first conductive layer. The second conductive layer is formed on the insulating layer and has an inner opening. The channel layer is formed on the inner opening of the second conductive layer to fully cover the inner opening. The passivation layer is formed upon the channel layer to cover the channel layer and has a contact hole inside the inner opening of the second conductive layer. The third conductive layer is formed in the contact hole.Type: GrantFiled: June 3, 2013Date of Patent: December 9, 2014Assignee: Hannstar Display Corp.Inventors: Chia-Hua Yu, Ming-Chieh Chang, Jung-Fang Chang
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Patent number: 8901549Abstract: The present invention provides an organic light emitting diode touch display panel including a substrate, a plurality of first electrodes and a plurality of second electrodes disposed on the substrate, a plurality of light emitting layers, a plurality of dielectric layers, a plurality of first electrode stripes, and a plurality of second stripes. Each light emitting layer is disposed on each first electrode, and each dielectric layer is disposed on each second electrode. Each first electrode stripe is disposed on the light emitting layers in each row, and each second electrode stripe is disposed on the dielectric layers in each row. Each first electrode, each light emitting layer and each first electrode stripe form an organic light emitting diode, and each second electrode, each dielectric layer and each second electrode stripe form a touch sensing capacitor.Type: GrantFiled: July 1, 2013Date of Patent: December 2, 2014Assignee: HannStar Display Corp.Inventors: Chien-Hsiang Huang, Kun-Hua Tsai, Jun-Shih Chung, Chun-Hsi Chen
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Patent number: 8895979Abstract: A vertical thin-film transistor structure includes a substrate, a source electrode, an insulation layer, a drain electrode, two first channel layers, a gate insulation layer and a gate electrode, which are stacked upward in that order on the substrate. The first channel layers are respectively disposed at two opposite ends of the drain electrode, and extend from the upper surface of the drain electrode to the upper surface of the source electrode respectively. Each of the first channel layers contacts the source electrode and the drain electrode. The gate insulation layer is disposed on the source electrode, the first channel layers and the drain electrode. The gate electrode is disposed on the gate insulation layer and covers the first channel layers. Therefore, the volume of the conventional thin-film transistor structure shrinks, and the ratio of the volume of the conventional thin-film transistor structure to that of a pixel structure decreases.Type: GrantFiled: July 9, 2013Date of Patent: November 25, 2014Assignee: HannStar Display Corp.Inventors: Jung-Fang Chang, Ming-Chieh Chang, Jui-Chi Lai
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Publication number: 20140340126Abstract: The present invention discloses a gate driver circuit. The gate driver circuit includes a plurality of driving units electrically connected in series, wherein the gate driver circuit receives a plurality of frequency signals and the driving units transmit a plurality of output signals sequentially. Furthermore, each driving unit includes a primary circuit, a first voltage regulator circuit and a second voltage regulator circuit.Type: ApplicationFiled: May 12, 2014Publication date: November 20, 2014Applicant: HannStar Display Corp.Inventors: Hsien-Cheng Chang, Chih-Yang Yen
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Patent number: 8890157Abstract: The present invention provides a pixel structure including a substrate, a thin-film transistor disposed on the substrate, a first insulating layer covering the thin-film transistor and the substrate, a common electrode, a connecting electrode, a second insulating layer, and a pixel electrode. The thin-film transistor includes a drain electrode. The first insulating layer has a first opening exposing the drain electrode. The common electrode and the connecting electrode are disposed on the first insulating layer. The connecting electrode extends into the first opening to be electrically connected to the drain electrode. The connecting electrode is electrically insulated from the common electrode. The second insulating layer covers the first insulating layer, the common electrode, the connecting electrode, and has a second opening exposing the connecting electrode. The pixel electrode is disposed on the second insulating layer and electrically connected to the connecting electrode through the second opening.Type: GrantFiled: March 15, 2013Date of Patent: November 18, 2014Assignee: HannStar Display Corp.Inventors: Hsuan-Chen Liu, Hsien-Cheng Chang, Da-Ching Tang, Chien-Hao Wu, Ching-Chao Wang, Jung-Chen Lin