Patents by Inventor Chia-Wei Hu
Chia-Wei Hu 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: 20160103535Abstract: A touch sensing device includes a first conductive layer that acts as a common voltage layer in a display mode; and a second conductive layer electrically isolated from the first conductive layer, the second conductive layer having source lines that transfer data to be displayed in the display mode and act as transmitting (TX) electrode lines in a touch sensing mode. The first conductive layer includes RX electrode lines and blocks that are disposed among and separated by the RX electrode lines. The RX electrode lines and the blocks are electrically connected to a common voltage in the display mode.Type: ApplicationFiled: February 19, 2015Publication date: April 14, 2016Inventors: Chia-Wei Hu, Yaw-Guang Chang, Shen-Feng Tai, Wai Pan Wu
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Patent number: 9268447Abstract: A touch display panel including a first substrate, scan lines, data lines, a second substrate, a display medium, a second electrode set and a patterned-common-electrode layer is provided. The scan lines and the data lines are disposed on the first substrate and at least parts of the data lines form a first electrode set including first electrode subsets. The second substrate opposite to the first substrate has a top surface and a bottom surface facing the first substrate. The display medium is sandwiched between the first and the second substrates. The second electrode set disposed on the second substrate includes second electrode subsets arranged along a second direction intersected with the first direction. The patterned-common-electrode layer includes openings is disposed between the first and the second electrode sets. An orthogonal projection of the openings is overlapped with that of the first and the second electrode subsets.Type: GrantFiled: September 12, 2013Date of Patent: February 23, 2016Assignee: HIMAX TECHNOLOGIES LIMITEDInventor: Chia-Wei Hu
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Patent number: 9235285Abstract: A pixel matrix including a first substrate, a plurality of pixel structures, a first electrode set and a common electrode is provided. The pixel structures are disposed on the first substrate in an array arrangement. Each of the pixel structures includes a pixel electrode. The first electrode set includes a plurality of first electrodes arranged along a first direction on the first substrate. Each of the first electrodes having a plurality of first openings arranged corresponding to the pixel electrodes and surrounding the corresponding pixel electrodes. The common electrode is disposed between the first electrodes and the first substrate and between the pixel electrode and the first substrate. A touch display device having the pixel matrix and the driving method thereof are also provided.Type: GrantFiled: September 12, 2013Date of Patent: January 12, 2016Assignee: HIMAX TECHNOLOGIES LIMITEDInventor: Chia-Wei Hu
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Publication number: 20150378473Abstract: A touch sensitive device includes a plurality of first electrodes; a plurality of second electrodes, disposed around the plurality of first electrodes; a plurality of first surrounding pattern that are formed by the plurality of first electrodes and the plurality of second electrodes and a plurality of second surrounding patterns that are formed by the plurality of first electrodes and the plurality of second electrodes. Each of the first surrounding patterns comprises one of the first electrodes that interleaves with one of the second electrodes. Each of the second surrounding patterns comprises one of the second electrodes that is sandwiched between another of the second electrodes and one of the second electrodes.Type: ApplicationFiled: November 17, 2014Publication date: December 31, 2015Inventors: Chia-Wei Hu, Wai Pan Wu, Shen-Feng Tai
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Publication number: 20150212615Abstract: An active array of a capacitive touch panel includes a plurality of first electrodes, a plurality of second electrodes and a plurality of first auxiliary electrodes, where the first electrodes are connected to a scan signal transmitting circuit of the capacitive touch panel, and are used for receiving a plurality of scan signals, respectively; the second electrodes are connected to a detecting circuit of the capacitive touch panel; and the first electrodes and the first auxiliary electrodes are fabricated in a same metal layer, and the first electrodes are not connected to the first auxiliary electrodes.Type: ApplicationFiled: April 9, 2014Publication date: July 30, 2015Applicant: HIMAX TECHNOLOGIES LIMITEDInventors: Chia-Wei Hu, Jui-Ni Li, Shen-Feng Tai
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Publication number: 20150199044Abstract: Disclosed herein are touch screens that integrate touch sensing systems with display devices. The touch sensing system serves data lines and common electrodes of a driving circuitry of the display device as touch driving lines and touch sensing lines for touch sensing operations. A common electrode layer having the common electrodes of the driving circuitry includes a plurality of openings for reducing a base mutual-capacitance of the touch sensing system.Type: ApplicationFiled: April 7, 2014Publication date: July 16, 2015Applicant: HIMAX TECHNOLOGIES LIMITEDInventors: Jia-Ming He, Yaw-Guang Chang, Chia-Wei Hu
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Publication number: 20150153872Abstract: A touch sensing device including a plurality of first sensing electrode sets, a plurality of first conductive lines, and a plurality of sensing sets is provided. The first sensing electrode sets are arranged in an array. The first conductive lines are respectively connected to the first sensing electrode sets. The sensing sets are capacitively coupled to the first sensing electrode sets. Each of the first sensing electrode sets is capacitively coupled to at least two of the sensing sets. One of each of the first sensing electrode sets and each of the sensing sets is a signal transmitter, and the other of each of the first sensing electrode sets and each of the sensing sets is a signal receiver.Type: ApplicationFiled: March 14, 2014Publication date: June 4, 2015Applicant: HIMAX TECHNOLOGIES LIMITEDInventors: Chia-Wei Hu, Shen-Feng Tai, Wai-Pan Wu, Chia-Ling Lo, Jui-Ni Li
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Patent number: 9013434Abstract: A touch display panel, including first electrode patterns, second electrode patterns, active elements, third electrode patterns and fourth electrode patterns is provided. The second electrode patterns and the first electrode pattern are set to form pixel areas. Each of the active elements is disposed in one of the pixel areas and electrically connected to the corresponding first electrode pattern and second electrode pattern. The third electrode patterns are arranged along a direction of an arrangement direction of the second electrode patterns and divide the second electrode patterns into groups, wherein each third pattern covers columns of the pixel areas. The fourth electrode patterns are electrically insulated to the third electrode patterns. Each fourth electrode pattern is disposed in one of the pixel areas and electrically connected to the corresponding active element. A driving method of a touch display panel is also provided.Type: GrantFiled: November 5, 2013Date of Patent: April 21, 2015Assignee: Himax Technologies LimitedInventors: Chia-Wei Hu, Yaw-Guang Chang, Shen-Feng Tai, Wai-Pan Wu
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Publication number: 20140368449Abstract: A touch display panel, including first electrode patterns, second electrode patterns, active elements, third electrode patterns and fourth electrode patterns is provided. The second electrode patterns and the first electrode pattern are set to form pixel areas. Each of the active elements is disposed in one of the pixel areas and electrically connected to the corresponding first electrode pattern and second electrode pattern. The third electrode patterns are arranged along a direction of an arrangement direction of the second electrode patterns and divide the second electrode patterns into groups, wherein each third pattern covers columns of the pixel areas. The fourth electrode patterns are electrically insulated to the third electrode patterns. Each fourth electrode pattern is disposed in one of the pixel areas and electrically connected to the corresponding active element. A driving method of a touch display panel is also provided.Type: ApplicationFiled: November 5, 2013Publication date: December 18, 2014Applicant: HIMAX TECHNOLOGIES LIMITEDInventors: Chia-Wei Hu, Yaw-Guang Chang, Shen-Feng Tai, Wai-Pan Wu
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Publication number: 20140340936Abstract: A backlight module includes a plurality of first light emitting elements and a light guiding plate including a first side, a second side and a light output side having microstructures at least disposed in a near-light region of the light guiding plate. The near-light region is defined as from a first line to a predetermined second line at the light output side. The microstructure has a width P and height H, the light-guiding plate has a thickness T, a pitch between the adjacent first light-emitting elements is defined as PLED, a projection distance from a luminance measuring line of the backlight module to the first light-emitting elements is defined as A. Under the conditions 0<A?120 mm, 0<[(H/P)/T]*PLED?15 and 0<luminance variation?100%, the structure characteristic of the backlight module is bounded by a first equation: A=0.2{[(H/P)/T]*PLED}2?2{[(H/P)/T]*PLED}+105 mm and a second equation: A=0.2{[(H/P)/T]*PLED}2?2{[(H/P)/T]*PLED}+0.1 mm.Type: ApplicationFiled: May 14, 2014Publication date: November 20, 2014Applicant: InnoLux CorporationInventors: Chi-Liang CHANG, Chia-Wei HU, Yen-Liang CHEN, Chia-Feng CHEN
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Publication number: 20140333571Abstract: A pixel matrix including a first substrate, a plurality of pixel structures, a first electrode set and a common electrode is provided. The pixel structures are disposed on the first substrate in an array arrangement. Each of the pixel structures includes a pixel electrode. The first electrode set includes a plurality of first electrodes arranged along a first direction on the first substrate. Each of the first electrodes having a plurality of first openings arranged corresponding to the pixel electrodes and surrounding the corresponding pixel electrodes. The common electrode is disposed between the first electrodes and the first substrate and between the pixel electrode and the first substrate. A touch display device having the pixel matrix and the driving method thereof are also provided.Type: ApplicationFiled: September 12, 2013Publication date: November 13, 2014Applicant: Himax Technologies LimitedInventor: Chia-Wei Hu
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Publication number: 20140333572Abstract: A touch display panel including a first substrate, scan lines, data lines, a second substrate, a display medium, a second electrode set and a patterned-common-electrode layer is provided. The scan lines and the data lines are disposed on the first substrate and at least parts of the data lines form a first electrode set including first electrode subsets. The second substrate opposite to the first substrate has a top surface and a bottom surface facing the first substrate. The display medium is sandwiched between the first and the second substrates. The second electrode set disposed on the second substrate includes second electrode subsets arranged along a second direction intersected with the first direction. The patterned-common-electrode layer includes openings is disposed between the first and the second electrode sets. An orthogonal projection of the openings is overlapped with that of the first and the second electrode subsets.Type: ApplicationFiled: September 12, 2013Publication date: November 13, 2014Applicant: HIMAX TECHNOLOGIES LIMITEDInventor: Chia-Wei Hu
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Publication number: 20130336005Abstract: A light guide plate, including a bottom surface, an incident surface, a plurality of guiding structures distributed on the bottom surface and extending along the incident surface is provided. The guiding structures have a trapezoidal shape including a bottom portion, a top portion, a first slant surface and a second slant surface disposed oppositely, wherein both of the first and second slant surfaces connect to the bottom portion and the top portion. The bottom portions of the guiding structures are protruded from the bottom surface of the light guide plate. Alternatively, a patterned structure is formed between the adjacent guiding structures and concave to the bottom surface of the light guide plate. A backlight module includes the light guide plate as described above and at least one light source disposed beside the light guide plate.Type: ApplicationFiled: June 4, 2013Publication date: December 19, 2013Inventors: Yen-Liang Chen, Chia-Wei Hu
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Patent number: 8409741Abstract: A cover latching mechanism (100) used in a portable electronic device is described including a latching base (20), a cover member (10), and a latching member (30). The cover member has a latching protrusion (14) arranged thereon. The latching member is used to latch the cover member to the latching base and defines a latch space (338) and a release space (337). The cover member can be latched to the latching base by a movement of the latching protrusion from the release space into the latch space, and then be released from the latching base by an opposite movement of the latching protrusion from the latch space into the release space, the two movements being caused by pushing or pulling the cover member along the latching base.Type: GrantFiled: September 26, 2008Date of Patent: April 2, 2013Assignee: FIH (Hong Kong) LimitedInventors: Chia-Wei Hu, Chih-Chiang Chang
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Patent number: 8255016Abstract: A flip-type portable electronic device is provided. The flip-type electronic device includes a housing and a cushion member. The housing comprises an first body portion and a second body portion secured to the first body portion. The cushion member is attached to the second body portion.Type: GrantFiled: November 16, 2009Date of Patent: August 28, 2012Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) LimitedInventors: Zhi-Bin Ouyang, Chia-Wei Hu
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Patent number: 8218314Abstract: An electronic device using a cover mechanism to cover a hole is described. The cover mechanism includes a base member, a cover member and a retaining member. The cover member is fixed with the retaining member and moves between a closed position and an opened position. In the closed position, the cover member is elastically, partially deformed to lock to the base member. In the opened position, the cover member can be elastically bent to expose the hole while still being physically attached to the base member.Type: GrantFiled: December 19, 2008Date of Patent: July 10, 2012Assignee: FIH (Hong Kong) LimitedInventors: Mu-Wen Yang, Chih-Chiang Chang, Chia-Wei Hu
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Patent number: 8118335Abstract: A cover latching mechanism (100) used in a portable electronic device is described including a latching base (20), a cover member (10), a latching member (40), and a releasing member (30). The cover member has a latching protrusion (14) arranged on it. The latching member is used to latch the cover member to the latching base and defines a latch space (464) and a release space (462). The cover member can be latched to the latching base by latching the latching protrusion into the latch space, and then be released from the latching base by the releasing member engaging into the release space.Type: GrantFiled: September 18, 2008Date of Patent: February 21, 2012Assignee: FIH (Hong Kong) LimitedInventors: Chia-Wei Hu, Chih-Chiang Chang
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Publication number: 20100259142Abstract: A flip-type portable electronic device is provided. The flip-type electronic device includes a housing and a cushion member. The housing comprises an first body portion and a second body portion secured to the first body portion. The cushion member is attached to the second body portion.Type: ApplicationFiled: November 16, 2009Publication date: October 14, 2010Applicants: SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD., FIH (HONG KONG) LIMITEDInventors: ZHI-BIN OUYANG, CHIA-WEI HU
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Publication number: 20090291356Abstract: A cover latching mechanism (100) used in a portable electronic device is described including a latching base (20), a cover member (10), and a latching member (30). The cover member has a latching protrusion (14) arranged thereon. The latching member is used to latch the cover member to the latching base and defines a latch space (338) and a release space (337). The cover member can be latched to the latching base by a movement of the latching protrusion from the release space into the latch space, and then be released from the latching base by an opposite movement of the latching protrusion from the latch space into the release space, the two movements being caused by pushing or pulling the cover member along the latching base.Type: ApplicationFiled: September 26, 2008Publication date: November 26, 2009Applicant: FIH (HONG KONG) LIMITEDInventors: CHIA-WEI HU, CHIH-CHIANG CHANG
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Publication number: 20090289462Abstract: A cover latching mechanism (100) used in a portable electronic device is described including a latching base (20), a cover member (10), a latching member (40), and a releasing member (30). The cover member has a latching protrusion (14) arranged on it. The latching member is used to latch the cover member to the latching base and defines a latch space (464) and a release space (462). The cover member can be latched to the latching base by latching the latching protrusion into the latch space, and then be released from the latching base by the releasing member engaging into the release space.Type: ApplicationFiled: September 18, 2008Publication date: November 26, 2009Applicant: FIH (Hong Kong) LimitedInventors: CHIA-WEI HU, CHIH-CHIANG CHANG