Patents Assigned to Chunghwa Picture Tubes, Ltd.
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Patent number: 9329425Abstract: A transparent display apparatus including a backlight module, a display panel, and a switching panel is provided. The backlight module includes a light source and a light guide plate (LGP). The display panel is located on a light emitting surface of the LGP. The switching panel and the backlight module are located at the same side of the display panel. The switching panel includes a first substrate, a second substrate opposite to the first substrate, a polymer-dispersed liquid crystal layer located between the first substrate and the second substrate, a first electrode layer located between the first substrate and the polymer-dispersed liquid crystal layer, and a second electrode layer located between the polymer-dispersed liquid crystal layer and the second substrate. The first electrode layer is divided into first electrode patterns that are separated from and electrically independent from one another. Another transparent display apparatus is also provided.Type: GrantFiled: April 8, 2014Date of Patent: May 3, 2016Assignee: Chunghwa Picture Tubes, LTD.Inventors: Chien-Hua Chen, Ji-Nian Lin, Chun-Wei Su
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Patent number: 9323106Abstract: A fabricating method of a transparent liquid crystal display includes the following steps. First, a first substrate and a second substrate are assembled. Then, a liquid crystal composition is injected between the first substrate and the second substrate. The liquid crystal composition includes a plurality of liquid crystal molecules and a polymerizable material, wherein the polymerizable material includes a polyether polyol acrylate monomer and a liquid crystal polymerization initiator. Afterward, an irradiation procedure and a thermal procedure are executed.Type: GrantFiled: May 2, 2013Date of Patent: April 26, 2016Assignee: Chunghwa Picture Tubes, LTD.Inventors: Chun-Wei Su, Jan-Tian Lian
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Patent number: 9318511Abstract: A display device having repair and detect structure includes a substrate, a pixel array, a first shorting bar and a first repair line. The pixel array disposed on the substrate includes a plurality of data lines and a plurality of gate lines. The first shorting bar disposed on the substrate is connected to the gate lines for testing the gate lines, and the first shorting bar includes a first shorting segment. The first repair line is disposed on the substrate for repairing at least one of the data lines. The first shorting segment of the first shorting bar is electrically connected to the first repair line. Furthermore, another repair and detect structure of a display device is disclosed, wherein the first shorting bar includes a first shorting segment, the first repair line includes a first repair segment, and the first shorting segment overlaps with the first repair segment.Type: GrantFiled: April 7, 2014Date of Patent: April 19, 2016Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Kai-Ting Chang, Han-Tung Hsu, Tsu-Te Zen
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Patent number: 9299304Abstract: A gate driving circuit includes a first input terminal, a second input terminal, a third input terminal, an output terminal, a first transistor, a second transistor, a third transistor, and a capacitor. The first terminal of the first transistor is coupled to the first input terminal. The control terminal of the first transistor is coupled to the second input terminal. The first terminal of the second transistor is coupled to the third input terminal. The control terminal of the second transistor is coupled to the second terminal of the first transistor. The second terminal of the second transistor is coupled to the output terminal. The first terminal of the third transistor is coupled to the output terminal. The second terminal of the third transistor is coupled to ground terminal. The capacitor is coupled between the control terminal of the second transistor and the output terminal.Type: GrantFiled: September 13, 2013Date of Patent: March 29, 2016Assignee: CHUNGHWA PICTURE TUBES, LTD.Inventors: Wei-Lung Li, Chih-Wen Lai
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Patent number: 9299288Abstract: A driving circuit includes a first transistor, a capacitor, a second transistor, and a charging circuit. The input terminal of the first transistor is electrically connected to a voltage source. The output terminal of the first transistor is electrically connected to an organic light-emitting diode. The first terminal of the capacitor is electrically connected to the control terminal of the first transistor. The input terminal of the second transistor is electrically connected to the second terminal of the capacitor. The control terminal of the second transistor is electrically connected to a scan line. The output terminal of the second transistor is electrically connected to the output terminal of the first transistor. The charging circuit is electrically connected to the first and second terminals of the capacitor, the scan line, and a current source.Type: GrantFiled: October 11, 2013Date of Patent: March 29, 2016Assignee: CHUNGHWA PICTURE TUBES, LTD.Inventors: Bo-Jhang Sun, Chin-Hai Huang, Szu-Chi Huang
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Patent number: 9283592Abstract: A mask is provided. The mask includes a plurality of first rows of openings and a plurality of second rows of openings. Each of the first rows of openings includes a plurality of first openings arranged in a row. The first openings located at different first opening rows are aligned in a column direction. Each of the second opening rows includes a plurality of second openings arranged in a row. The second openings located at different second rows of openings are aligned in the column direction. The first opening rows and the second opening rows are disposed alternately, and any one of the second rows of openings is located between two adjacent first rows of openings. The first openings and the second openings are alternately arranged in the row direction.Type: GrantFiled: December 18, 2012Date of Patent: March 15, 2016Assignee: Chunghwa Picture Tubes, LTD.Inventor: Hsi-Ming Chang
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Patent number: 9284489Abstract: A method of manufacturing polymer dispersed liquid crystal includes: mixing liquid crystal, a first photopolymerizable material, a first photoinitiator, a second photopolymerizable material and a second photoinitiator to form a mixture, in which the first photoinitiator is capable to initiate polymerization of the first photopolymerizable material by irradiating a first ultraviolet light, and the second photoinitiator is capable to initiate polymerization of the second photopolymerizable material by irradiating a second ultraviolet light, and the first ultraviolet light has a wavelength different from that of the second ultraviolet light. The first photopolymerizable material is polymerized by irradiating the first ultraviolet light to form a plurality of first liquid crystal droplets. The second photopolymerizable material is polymerized by irradiating the second ultraviolet light to form a plurality of second liquid crystal droplets dispersed between the first liquid crystal droplets.Type: GrantFiled: December 19, 2013Date of Patent: March 15, 2016Assignee: CHUNGHWA PICTURE TUBES, LTD.Inventors: Jian-Hua Chen, Chun-Wei Su
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Patent number: 9284233Abstract: A method for manufacturing a pelletized fertilizer includes the following steps. A water-soluble manure and a colloidal solution are mixed, to form an aqueous solution of a fertilizer, wherein the water-soluble manure is selected from the group consisting of monopotassium phosphate, epsomite, manganous sulfite, boric acid, borax, copper sulfate pentahydrate, white vitriol, ammonium molybdate, urea, ferric ethylenediaminetetraacetic acid and potassium nitrate, the colloidal solution is selected from the group consisting of agar, xanthan gum, shellac, guar gum, natto gum, pectin, synthetic hydrogel and PLGA, and the weight percentage of the colloidal solution in the aqueous solution of the fertilizer is between 1.5 and 15%. The aqueous solution of the fertilizer is added into a water within a temperature range between 0 and 4° C., whereby the aqueous solution of the fertilizer is solidified to the pelletized fertilizer.Type: GrantFiled: March 4, 2013Date of Patent: March 15, 2016Assignee: CHUNGHWA PICTURE TUBES, LTD.Inventors: Chou-Chiang Kuo, Min-Lun Wu, Che-Wei Chang
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Patent number: 9280953Abstract: A display panel includes a plurality of rows of pixels, a gate driving circuit, and an inspection circuit. The gate driving circuit includes a plurality of gate driving units. The inspection circuit includes a plurality of transistors. Each transistor includes a first terminal, a control terminal, and a second terminal. The first terminal of the transistor is coupled to a contact pad. The control terminal of the transistor is coupled to the corresponding gate driving unit and a corresponding row of pixels. The second terminal of the transistor is coupled to the control terminal of the transistor.Type: GrantFiled: June 13, 2014Date of Patent: March 8, 2016Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Tzu-Chiang Liao, Chih-Wen Lai
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Patent number: 9269637Abstract: A TFT substrate includes: a substrate; and a plurality of TFTs, wherein each of the TFTs comprises: a gate electrode, disposed on the substrate; a gate insulating layer, disposed on the substrate and covering the gate electrode; a metallic oxide active layer, disposed on the gate insulating layer; a metallic oxide protection layer, disposed on the metallic oxide active layer; an etching stop layer, disposed on the metallic oxide protection layer, wherein a first through hole and a second through hole penetrate through the etching stop layer and the metallic oxide protection layer; and a source electrode and a drain electrode, disposed in the first through hole and the second through hole respectively, and electrically connected to the metallic oxide active layer.Type: GrantFiled: December 30, 2013Date of Patent: February 23, 2016Assignee: CHUNGHWA PICTURE TUBES, LTD.Inventors: Chin-Tzu Kao, Wen-Cheng Lu
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Patent number: 9268443Abstract: A touch panel connected with p signal channels of a chip is provided. The touch panel includes a substrate, electrode pairs, and signal lines. The electrode pairs are arranged in a matrix of q columns and r rows and each includes a first electrode connected to the hth signal channel and a second electrode connected to the ith signal channel. The hth signal channel and the ith channel are served as a signal channel pair. The signal channel connected with the electrode pair arranged in the jth column of the kth row is different from the signal channel connected with the other electrode pairs. The signal lines are electrically connected between the first electrodes or the second electrodes to the corresponding signal channels.Type: GrantFiled: March 1, 2013Date of Patent: February 23, 2016Assignee: Chunghwa Picture Tubes, LTD.Inventors: Shu-Ming Chang, Shu-Wen Chang
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Patent number: 9269827Abstract: A method for manufacturing a thin-film transistor (TFT) is provided, including the following steps. A gate is formed on a substrate. A gate insulating layer is formed on the gate. A patterned semiconductor layer is formed on the gate insulating layer. A source is formed on the patterned semiconductor layer. The peripheral portion of the source is oxidized to form an oxide layer, wherein the oxide layer covers the source and a portion of the patterned semiconductor layer. A protective layer and hydrogen ions are formed, wherein the protective layer covers the oxide layer and the patterned semiconductor layer. The patterned semiconductor layer not covered by the oxide layer is doped with the hydrogen ions to form a drain. A TFT is also provided.Type: GrantFiled: August 29, 2014Date of Patent: February 23, 2016Assignee: CHUNGHWA PICTURE TUBES, LTD.Inventors: Chin-Tzu Kao, Ya-Ju Lu, Hsiang-Hsien Chung, Wen-Cheng Lu
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Patent number: 9265205Abstract: A multifunctional planting system includes a supporter and a spraying device. The supporter includes a base and a plurality of lateral walls. The lateral walls are bent from the base to form a sunken structure for storing nutrient solution. The spraying device is disposed on the supporter. The spraying device includes an accommodating structure, a buckling component and a piezoelectric component. The nutrient solution is accommodated inside the accommodating structure. The buckling component passes through the accommodating structure. The piezoelectric component is disposed on a hollow portion of the buckling component. A plurality of tiny apertures are formed on the piezoelectric component. The piezoelectric component receives an electronic signal to generate oscillation. The oscillation transforms the liquid nutrient solution inside the accommodating structure into the gaseous nutrient solution.Type: GrantFiled: December 24, 2013Date of Patent: February 23, 2016Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Min-Chung Cheng, Min-Lun Wu, Tso-Hsuan Yeh, Che-Wei Chang
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Patent number: 9269824Abstract: A thin film transistor disposed on a substrate, includes a gate, a gate insulation layer, a first source/drain, a semiconductor layer and a second source/drain. The gate is disposed on the substrate. The gate insulation layer covers the gate and the substrate. The first source/drain is disposed on the gate insulation layer. The semiconductor layer is disposed above the gate, extends from the gate insulation layer to the first source/drain, and includes a first portion disposed on the first source/drain and a second portion connected to the first portion. An electrical conductivity of the first portion is higher than that of the second portion. The second source/drain covers and is in contact with the second portion. A manufacturing method of thin film transistor is further provided.Type: GrantFiled: November 20, 2014Date of Patent: February 23, 2016Assignee: Chunghwa Picture Tubes, LTD.Inventors: Hsi-Ming Chang, Yen-Yu Huang
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Patent number: 9271356Abstract: A backlight module and a driving circuit are provided. The driving circuit includes a plurality of current sources and a current switching unit. The current sources provide a plurality of driving currents. The current switching unit is coupled between a plurality of light emitting element strings and the current sources for transmitting the driving currents to the light emitting element strings, and switching the driving currents received by the light emitting element strings by timing. Therefore, the brightness of the light emitting element strings can be equalized.Type: GrantFiled: December 30, 2010Date of Patent: February 23, 2016Assignee: Chunghwa Picture Tubes, LTD.Inventor: Ming-Xian Li
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Patent number: 9262960Abstract: An organic light emitting diode (OLED) display apparatus includes a power circuit and a pixel. The power circuit serves to provide a first voltage. The pixel includes a first transistor, a second transistor, a third transistor, a fourth transistor, a fifth transistor, a capacitor, and an OLED. During a programming period, a first terminal of the capacitor receives a data voltage through the turned-on first transistor, a first terminal of the second transistor receives the first voltage, a control terminal of the second transistor is coupled to a second terminal of the capacitor and coupled to a second terminal of the second transistor through the turned-on third transistor, and the power circuit regulates a voltage level or a current of the first voltage to accelerate a voltage level of the control terminal of the second transistor to reach a target voltage.Type: GrantFiled: December 6, 2012Date of Patent: February 16, 2016Assignee: Chunghwa Picture Tubes, LTD.Inventors: Bo-Jhang Sun, Chin-Hai Huang, Szu-Chi Huang
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Patent number: 9264697Abstract: A stereo display apparatus is provided, including a display panel and an adjustable liquid crystal lens array. The adjustable liquid crystal lens array includes a liquid crystal layer and first and second substrates disposed at opposite sides of the liquid crystal layer. The first substrate includes first and second electrodes. The first and second electrodes respectively have a plurality of first and second branch portions arranged alternately. There are first and second pitches respectively between two of the first branch portions adjacent and two of the second branch portions adjacent. The second substrate includes a third electrode. When there is an electric potential difference between the third electrode and the first or the second electrode, an equivalent refractive index of the liquid crystal layer progressively increases from the two first or second branch portions adjacent to central of the two first or second branch portions adjacent.Type: GrantFiled: September 7, 2012Date of Patent: February 16, 2016Assignee: Chunghwa Picture Tubes, LTD.Inventors: Shih-Fong Huang, Hsu-Ping Chiu
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Patent number: 9262982Abstract: A timing controller for a liquid crystal panel and a timing control method thereof are provided. The timing controller includes a timing control unit for analyzing an input signal to generate a system state transition voltage (STV) signal and a base STV signal, and the timing control unit outputs a base trigger signal and a switch trigger signal having asynchronous frame rates to a select unit at the same time. A compare unit determines whether frequencies of the two state signals are same, so that the select unit determines to forward the base trigger signal or the switch trigger signal to a level shift circuit. Finally, a signal-time control unit controls an output time of the base trigger signal, and controls an output time of the switch trigger signal, so that a liquid crystal unit connected to each gate line has an equal charge time.Type: GrantFiled: August 29, 2014Date of Patent: February 16, 2016Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Yu-an Liu, Liang-Hua Yeh
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Patent number: 9213429Abstract: A touch display module and an assembly method thereof are provided. The touch display module includes a backlight module, a cover plate, a display panel, a touch panel, a first adhesive layer, a second adhesive layer, a third adhesive layer and a fourth adhesive layer. The cover plate and the backlight module are disposed oppositely. The display panel is disposed between the backlight module and the cover plate. The touch panel is disposed between the display panel and the cover plate. The first adhesive layer covers around the backlight module, the display panel and the touch panel and a back portion of the backlight module. The second adhesive layer is disposed between the backlight module and the display panel. The third adhesive layer is disposed between the display panel and the touch panel. The fourth adhesive layer is disposed between the touch panel and the cover plate.Type: GrantFiled: November 21, 2012Date of Patent: December 15, 2015Assignee: Chunghwa Picture Tubes, LTD.Inventors: Shao-Keng Huang, Sheng-Hui Chang, Yu-Cheng Tung, Ming-Tan Hsu
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Patent number: 9213457Abstract: A driving method for touch panel includes providing a plurality of driving signals with a first voltage level to a plurality of sensing electrodes of a touch panel; receiving a plurality of sensing signals corresponding to the plurality of driving signals with the first voltage level from the plurality of sensing electrodes of the touch panel; obtaining a second voltage level according to the plurality of sensing signals, the second voltage level being different from the first voltage level; and providing a plurality of driving signals with the second voltage level to the plurality of sensing electrodes of the touch panel.Type: GrantFiled: May 6, 2014Date of Patent: December 15, 2015Assignee: Chunghwa Picture Tubes, Ltd.Inventors: Chao-Yong Hsu, Hung-Hsiang Chen, Shih-Hung Huang