Patents by Inventor Kun Hua
Kun Hua 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: 9355807Abstract: A touch-sensing liquid crystal panel and a fabrication method thereof are provided. The touch-sensing liquid crystal panel includes a color filter substrate and a transistor substrate. In the fabrication method, at first, a first glass substrate is provided. Thereafter, a sensing matrix is formed on a first surface of the first glass substrate at a baking temperature. The sensing matrix is formed from indium tin oxide (ITO), and a sheet resistance of the sensing matrix is equal to or less than 30 ohm/square. Then, color filters and a common electrode are disposed on a second surface of the first glass substrate to form a color filter substrate, wherein the second surface is opposite to the first surface. Thereafter, the transistor substrate is provided and combined with the color filter substrate. Thereafter, a slimming process is performed to slim a second glass substrate of the transistor substrate.Type: GrantFiled: February 23, 2014Date of Patent: May 31, 2016Assignee: HANNSTAR DISPLAY CORPORATIONInventors: Hsu-Ho Wu, Ping-Yuan Su, Yu-Cheng Lin, Hsing-Ying Lee, Kun-Hua Tsai
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Patent number: 9176629Abstract: A pixel unit, method for sensing touch of an object, and a display apparatus incorporating the same are provided. The display apparatus includes a data line. The pixel unit includes a first switch circuit electrically connected to the data line and a sensing circuit electrically connected to the first switch circuit. The sensing circuit generates a signal in response to the touch of the object, while the signal is transmitted through the data line with the first switch circuit turned on. In addition, the display apparatus further includes a readout line. The pixel unit further includes a second switch circuit electrically connected to the readout line. The sensing circuit is electrically connected to the second switch circuit. In a first time period, the sensing circuit receives a reference voltage via the first switch circuit. Then the signal generated by the touch of the object is transmitted through the readout line via the second switch circuit in a second time period.Type: GrantFiled: May 13, 2008Date of Patent: November 3, 2015Assignee: AU OPTRONICS CORP.Inventors: Chi-Wen Chen, Li-Wei Shih, Meng-Hsiang Chang, Chi-Mao Hung, Chien-Jen Chen, Kun-Hua Tsai
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Patent number: 9122494Abstract: A method for code size reduction, which comprises determining basic blocks in an IR module; grouping the basic blocks having duplicate code into groups; providing weighting values corresponding to different instructions of the module, wherein the weighting values are determined based on a plurality of intermediate representation program codes; determining a weighted size of the module, wherein the weighted size of the module is determined by summing weighted sizes of the basic blocks of the module, and the weighted size of each basic block is determined by summing products of numbers of different instructions of the basic blocks and the corresponding weighting values; removing duplicates in one group to obtain a module having one processed group; determining a weighted size of the module having one processed group; and comparing the weighted size of the module to the weighted size of the module having one processed group.Type: GrantFiled: May 15, 2013Date of Patent: September 1, 2015Assignee: NATIONAL TSING HUA UNIVERSITYInventors: Kun Hua Yang, Shao Chung Wang, Jenq Kuen Lee
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Patent number: 9046707Abstract: A touch-sensing liquid crystal panel and a fabrication method thereof are provided. The touch-sensing liquid crystal panel includes a color filter substrate, a transistor substrate, and a sensing matrix. In the fabrication method, at first, a first glass substrate is provided. Then, color filters and a common electrode are disposed on a first surface of the first glass substrate to form a color filter substrate. Thereafter, a transistor substrate is combined with the color filter substrate. Then, the glass substrates of the color filter substrate and the transistor substrate are slimed. Thereafter, a sensing layer is formed on a second surface of the first glass substrate, wherein the second surface is opposite to the first surface. Then, the sensing layer is baked to enable a sheet resistance of the sensing matrix to be equal to or less than 30 ohm/square. Thereafter, the sensing layer is patterned.Type: GrantFiled: January 15, 2014Date of Patent: June 2, 2015Assignee: HANNSTAR DISPLAY CORPORATIONInventors: Hsu-Ho Wu, Ping-Yuan Su, Yu-Cheng Lin, Hsing-Ying Lee, Kun-Hua Tsai
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Publication number: 20150124476Abstract: A lighting apparatus includes a wavelength converting apparatus. The wavelength converting apparatus includes a hollow tube and a wavelength converting material. The hollow tube has an accommodating chamber. The wavelength converting material is positioned in the accommodating chamber.Type: ApplicationFiled: July 22, 2014Publication date: May 7, 2015Inventors: Kuang-Neng YANG, Kun-Hua WU, Jo-Hsiang CHEN, Tai-Hua HO, Tzong-Liang TSAI, Chih-Hao LIN
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Publication number: 20150062922Abstract: A lens device and a light source module using the same are provided. The lens device comprises a lens and a patterned light shielding layer. The lens has a middle light emitting surface and a periphery light emitting surface surrounding the middle light emitting surface. The patterned light shielding layer is formed on the periphery light emitting surface of the lens.Type: ApplicationFiled: March 19, 2014Publication date: March 5, 2015Applicant: Lextar Electronics CorporationInventors: Chih-Min Huang, Kuang-Neng Yang, Kun-Hua Wu
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Patent number: 8970550Abstract: A touch panel that includes a first substrate, a touch sensing layer, a compensation pattern layer, a second substrate, and a first optical adhesive layer is provided. The touch sensing layer includes a plurality of electrode sets arranged in parallel, and each of the electrode sets includes a scan electrode and a plurality of sensing electrodes. An orthogonal projection of the touch sensing layer on the first substrate is not overlapped with an orthogonal projection of the compensation pattern layer on the first substrate. The compensation pattern layer and the touch sensing layer are located between the first substrate and the second substrate. The first optical adhesive layer is located between the first substrate and the second substrate. A touch display is also provided.Type: GrantFiled: August 12, 2013Date of Patent: March 3, 2015Assignee: HannStar Display CorporationInventors: Chia-Hua Yu, Yu-Cheng Lin, Ping-Yuan Su, Kun-Hua Tsai, Hsing-Ying Lee
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Publication number: 20140375906Abstract: A touch-sensing liquid crystal panel and a fabrication method thereof are provided. The touch-sensing liquid crystal panel includes a color filter substrate and a transistor substrate. In the fabrication method, at first, a first glass substrate is provided. Thereafter, a sensing matrix is formed on a first surface of the first glass substrate at a baking temperature. The sensing matrix is formed from indium tin oxide (ITO), and a sheet resistance of the sensing matrix is equal to or less than 30 ohm/square. Then, color filters and a common electrode are disposed on a second surface of the first glass substrate to form a color filter substrate, wherein the second surface is opposite to the first surface. Thereafter, the transistor substrate is provided and combined with the color filter substrate. Thereafter, a slimming process is performed to slim a second glass substrate of the transistor substrate.Type: ApplicationFiled: February 23, 2014Publication date: December 25, 2014Applicant: HannStar Display CorporationInventors: Hsu-Ho WU, Ping-Yuan SU, Yu-Cheng LIN, Hsing-Ying LEE, Kun-Hua TSAI
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Publication number: 20140368752Abstract: A touch-sensing liquid crystal panel is provided and includes a color filter substrate and a transistor substrate. The color filter substrate includes a first substrate, a sensing array, touch-sensing circuit contact pads, and color filters. The transistor substrate includes a second substrate and pixel units. In one embodiment, the first substrate has a first edge region and a second edge region having the same width. In another embodiment, the touch-sensing circuit contact pads are disposed at the first edge region and the second edge region of the first substrate, and each conductive pattern in the sensing array is connected to the touch-sensing circuit contact pads of the first edge region and the second edge region. In another embodiment, each conductive pattern of the sensing array includes two first conductive patterns and conductive pattern rows disposed between the first conductive patterns.Type: ApplicationFiled: April 2, 2014Publication date: December 18, 2014Applicant: HannStar Display CorporationInventors: Hsu-Ho WU, Yu-Cheng LIN, Ping-Yuan SU, Kun-Hua TSAI, Hsing-Ying LEE
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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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Publication number: 20140344791Abstract: A method for code size reduction, which comprises determining basic blocks in an IR module; grouping the basic blocks having duplicate code into groups; providing weighting values corresponding to different instructions of the module, wherein the weighting values are determined based on a plurality of intermediate representation program codes; determining a weighted size of the module, wherein the weighted size of the module is determined by summing weighted sizes of the basic blocks of the module, and the weighted size of each basic block is determined by summing products of numbers of different instructions of the basic blocks and the corresponding weighting values; removing duplicates in one group to obtain a module having one processed group; determining a weighted size of the module having one processed group; and comparing the weighted size of the module to the weighted size of the module having one processed group.Type: ApplicationFiled: May 15, 2013Publication date: November 20, 2014Applicant: NATIONAL TSING HUA UNIVERSITYInventors: Kun Hua YANG, Shao Chung WANG, Jenq Kuen LEE
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Publication number: 20140333847Abstract: A touch panel that includes a first substrate, a touch sensing layer, a compensation pattern layer, a second substrate, and a first optical adhesive layer is provided. The touch sensing layer includes a plurality of electrode sets arranged in parallel, and each of the electrode sets includes a scan electrode and a plurality of sensing electrodes. An orthogonal projection of the touch sensing layer on the first substrate is not overlapped with an orthogonal projection of the compensation pattern layer on the first substrate. The compensation pattern layer and the touch sensing layer are located between the first substrate and the second substrate. The first optical adhesive layer is located between the first substrate and the second substrate. A touch display is also provided.Type: ApplicationFiled: August 12, 2013Publication date: November 13, 2014Applicant: Hannstar Display CorporationInventors: Chia-Hua Yu, Yu-Cheng Lin, Ping-Yuan Su, Kun-Hua Tsai, Hsing-Ying Lee
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Publication number: 20140313436Abstract: A touch-sensing liquid crystal panel and a fabrication method thereof are provided. The touch-sensing liquid crystal panel includes a color filter substrate, a transistor substrate, and a sensing matrix. In the fabrication method, at first, a first glass substrate is provided. Then, color filters and a common electrode are disposed on a first surface of the first glass substrate to form a color filter substrate. Thereafter, a transistor substrate is combined with the color filter substrate. Then, the glass substrates of the color filter substrate and the transistor substrate are slimed. Thereafter, a sensing layer is formed on a second surface of the first glass substrate, wherein the second surface is opposite to the first surface. Then, the sensing layer is baked to enable a sheet resistance of the sensing matrix to be equal to or less than 30 ohm/square. Thereafter, the sensing layer is patterned.Type: ApplicationFiled: January 15, 2014Publication date: October 23, 2014Applicant: HannStar Display CorporationInventors: Hsu-Ho WU, Ping-Yuan SU, Yu-Cheng LIN, Hsing-Ying LEE, Kun-Hua TSAI
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Publication number: 20140268877Abstract: A luminous element includes a heat dissipation plate, a body, a plurality of LED chips, a first connector and a second connector. The heat dissipation plate includes a die-bonding area and a heat dissipation area opposite to the die-bonding area. The body surrounds the heat dissipation plate, and includes a first body surface and a second body surface opposite to the first body surface. The first body surface includes a concave part exposing the die-bonding area. The second body surface includes an opening exposing the heat dissipation area. The LED chips are mounted on the die-bonding area. The first and the second connectors are disposed on the body, and they can be pluggably connected to an external power source or other connectors. The LED chips are connected to the electrical input terminals in the first and the second connectors.Type: ApplicationFiled: November 12, 2013Publication date: September 18, 2014Applicant: Lextar Electronics CorporationInventors: Kuang-Neng YANG, Kun-Hua WU, Jo-Hsiang CHEN, Chih-Hao LIN, Che-Wei HSU, Tzong-Liang TSAI
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Publication number: 20140204049Abstract: The invention provides a display apparatus including a display panel, a display driving circuit and a touch sensing circuit. The display panel has a plurality of pixels arranged in an array, in which each of the pixels includes a liquid crystal capacitor. The display driving circuit is coupled to the display panel and configured to drive the pixels during a display period in a frame period to display images on the display panel. The touch sensing circuit is coupled to the display panel and configured to sense capacitance variations of the liquid crystal capacitors during a blanking period in the frame period, so as to generate a touch information.Type: ApplicationFiled: April 15, 2013Publication date: July 24, 2014Applicant: Hannstar Display CorporationInventors: Kun-Hua Tsai, Hsing-Ying Lee, Ping-Yuan Su, Yu-Cheng Lin
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Publication number: 20140176484Abstract: A capacitive touch display apparatus includes a liquid crystal (LC) display module, a touch panel and a judgment unit. The LC display module includes an active device array substrate, a color filter (CF) substrate, and an LC layer disposed between inner sides of the two substrates. The touch panel includes a single touch sensing layer fabricated on an outer side of the CF substrate and a cover lens disposed on the single touch sensing layer. The single touch sensing layer includes a transmitter patterned electrode and multiple receiver patterned electrodes. A same inductive capacitor is formed between each receiver patterned electrode and the transmitter patterned electrode. The judgment unit transmits a scan signal to the transmitter patterned electrode, and determines whether there is an occurrence of a single-touch event or a multi-touch event by analyzing inductive signals from the respective receiver patterned electrodes.Type: ApplicationFiled: February 26, 2013Publication date: June 26, 2014Applicant: HANNSTAR DISPLAY CORPORATIONInventors: Kun-Hua Tsai, Hsing-Ying Lee, Ping-Yuan Su, Yu-Cheng Lin
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Publication number: 20140146011Abstract: An OLED touch display panel includes a substrate, a TFT circuit layer, an OLED element, a protective layer and an electromagnetic induction coil layer. The TFT circuit layer is formed above the substrate. The OLED element is formed on an upper surface of the TFT circuit layer. The protective layer is disposed above the OLED element, wherein both of the OLED element and the TFT circuit layer are located between the substrate and the protective layer. The electromagnetic induction coil layer is formed on an upper surface of the substrate or a lower surface of the protective layer. According to the OLED touch display panels in the first and second embodiments of the present invention, the electromagnetic induction coil layer is integrated to the original display panel, and thus the thickness and weight of the whole OLED touch display panel so as to decrease the cost.Type: ApplicationFiled: November 27, 2013Publication date: May 29, 2014Applicant: HannStar Display CorporationInventors: CHIEN-HSIANG HUANG, KUN-HUA TSAI, JUN-SHIH CHUNG, CHUN-HSI CHEN
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Patent number: 8735915Abstract: A LED (Light-Emitting Diode) lighting fixture and a manufacturing method thereof are disclosed. The LED lighting fixture comprises a LED module generating light at a wavelength range of 300-700 nm, a lamp cover shielding the LED module, and a phosphor layer. The phosphor layer which is coated on an inner surface towards the LED module comprises at least two types of phosphor mixed at a default ratio for transforming the light of 300-700 nm in wavelength to luminary light in the wavelength range of 400-700 nm.Type: GrantFiled: May 24, 2012Date of Patent: May 27, 2014Assignee: Lextar Electronics CorporationInventors: Chih-Hao Lin, Cheng-Wei Hung, Kun-Hua Wu, Chao-Hsien Wang, Po-Chang Chen, Chih-Ping Lo, Po-Chang Chen
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Publication number: 20140110683Abstract: 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: ApplicationFiled: July 1, 2013Publication date: April 24, 2014Inventors: Chien-Hsiang Huang, Kun-Hua Tsai, Jun-Shih Chung, Chun-Hsi Chen
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Publication number: 20140049510Abstract: A capacitive touch control system includes a sensing matrix, a comparator and a control unit. The control unit is configured to couple the sensing matrix to at least one of two input terminals of the comparator, to provide at least one variable voltage to at least one of the two input terminals of the comparator and to adjust the at least one variable voltage according to a comparison result of the comparator so as to balance the two input terminals of the comparator to accordingly identify a touch event and a contact extent.Type: ApplicationFiled: May 16, 2013Publication date: February 20, 2014Applicant: HANNSTAR DISPLAY CORP.Inventors: JUN-SHIH CHUNG, CHUN-HSI CHEN, CHIEN-HSIANG HUANG, KUN-HUA TSAI