Patents by Inventor Kun Wook Han
Kun Wook Han 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: 10891889Abstract: A display device capable of substantially preventing light leakage generated in a non-display area of the display device, the display device including: a substrate including a display area and a non-display area; a thin film transistor disposed in the display area; a first connection electrode disposed in the non-display area and connected to the thin film transistor; a second connection electrode disposed in the non-display area and disposed apart from the first connection electrode; a first insulating layer overlapping one end portion of the first connection electrode and one end portion of the second connection electrode; a floating electrode disposed on the first insulating layer; and a bridge electrode disposed on the second insulating layer, connected to the first connection electrode through a first contact hole, and connected to the second connection electrode through a second contact hole.Type: GrantFiled: August 27, 2018Date of Patent: January 12, 2021Assignee: Samsung Display Co., Ltd.Inventors: Basrur Veidhes, Seongyoung Lee, Doyeong Park, Jinsu Lee, Kun-Wook Han
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Patent number: 10802368Abstract: A display panel including: a base substrate having first and second regions; a color filter layer having a first color layer, and a second color layer disposed in the second region and on the first color layer; a first pixel electrode disposed on the color filter layer and in the first region; and a second pixel electrode disposed in the first region and between the first pixel electrode and the second region. The first pixel electrode includes first branches spaced apart at a first pitch, and second branches spaced apart at a second pitch, the second pixel electrode includes third branches spaced apart at a third pitch and extended in the same direction as the first branches, and fourth branches spaced apart at a fourth pitch and extended in the same direction as the second branches, and the first and third pitches are different from each other.Type: GrantFiled: January 28, 2019Date of Patent: October 13, 2020Assignee: Samsung Display Co., Ltd.Inventors: Jinsu Lee, Seungmin Lee, Kun-wook Han, Basrur Veidhes
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Publication number: 20190235335Abstract: A display panel including: a base substrate having first and second regions; a color filter layer having a first color layer, and a second color layer disposed in the second region and on the first color layer; a first pixel electrode disposed on the color filter layer and in the first region; and a second pixel electrode disposed in the first region and between the first pixel electrode and the second region. The first pixel electrode includes first branches spaced apart at a first pitch, and second branches spaced apart at a second pitch, the second pixel electrode includes third branches spaced apart at a third pitch and extended in the same direction as the first branches, and fourth branches spaced apart at a fourth pitch and extended in the same direction as the second branches, and the first and third pitches are different from each other.Type: ApplicationFiled: January 28, 2019Publication date: August 1, 2019Inventors: Jinsu LEE, Seungmin Lee, Kun-Wook Han, Basrur Veidhes
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Publication number: 20190213940Abstract: A display device capable of substantially preventing light leakage generated in a non-display area of the display device, the display device including: a substrate including a display area and a non-display area; a thin film transistor disposed in the display area; a first connection electrode disposed in the non-display area and connected to the thin film transistor; a second connection electrode disposed in the non-display area and disposed apart from the first connection electrode; a first insulating layer overlapping one end portion of the first connection electrode and one end portion of the second connection electrode; a floating electrode disposed on the first insulating layer; and a bridge electrode disposed on the second insulating layer, connected to the first connection electrode through a first contact hole, and connected to the second connection electrode through a second contact hole.Type: ApplicationFiled: August 27, 2018Publication date: July 11, 2019Inventors: Basrur VEIDHES, Seongyoung LEE, Doyeong PARK, Jinsu LEE, Kun-Wook HAN
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Publication number: 20190129242Abstract: A display device including a first substrate having a first surface including a display area and a non-display area disposed outside of the display area, the display area comprising a plurality of pixels, a plurality of color filters disposed on the first surface of the first substrate, and an organic film disposed to cover the color filters. The color filters include first, second, and third color filters corresponding to the pixels and disposed in the display area, a fourth color filter disposed in the non-display area, and a fifth color filter disposed on the fourth color filter, in which at least one of the fourth and fifth color filters is spaced apart from the display area.Type: ApplicationFiled: October 18, 2018Publication date: May 2, 2019Inventors: Sang Il PARK, Yeun Tae KIM, Min Wook PARK, Jin Su LEE, Kun Wook HAN
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Publication number: 20170017128Abstract: An exemplary embodiment of the present disclosure provides a liquid crystal display including: a first substrate; a pixel electrode disposed on the first substrate and including one or more unit pixel electrodes; a common electrode facing the pixel electrode; and a liquid crystal layer disposed between the pixel electrode and the common electrode, wherein a length of a short side of the one unit pixel electrode may be equal to or less than about 100 ?m, a length of a long side of the one unit pixel electrode may be equal to or greater than about two times the length of the short side, and the one unit pixel electrode may include a stem portion including a horizontal stem and a vertical stem crossing each other and a plurality of minute branch electrodes extending from the stem portion.Type: ApplicationFiled: March 10, 2016Publication date: January 19, 2017Inventors: Sang Yong NO, Hyo Suk PARK, Kun-Wook HAN
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Patent number: 9423641Abstract: A panel for a display device is provided. The panel includes a first substrate, a touch sensing circuit formed on the first substrate, the touch sensing circuit including at least one sensing thin film transistor and a connection wire, and a shielding electrode formed covering at least a portion of the sensing thin film transistor and the connection wire.Type: GrantFiled: August 14, 2013Date of Patent: August 23, 2016Assignee: Samsung Display Co., Ltd.Inventors: Jung Suk Bang, Ki-Hun Jeong, Dae Cheol Kim, Sung Ryul Kim, Woong Kwon Kim, Sung Jin Mun, Byeong Hoon Cho, Kun-Wook Han
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Patent number: 9389452Abstract: A touch display apparatus includes a base substrate, a light blocking semiconductor pattern disposed on the base substrate and configured to block a visible light and transmit an infrared light, a sensing element disposed on the light blocking semiconductor pattern and configured to detect a touch position using an incident infrared light, a driving element configured to drive the sensing element, a signal line electrically connected with the sensing element or the driving element, and a wiring connecting part disposed under the signal line and including a same material as the light blocking semiconductor pattern.Type: GrantFiled: October 29, 2013Date of Patent: July 12, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sung-Jin Mun, Dae-Cheol Kim, Woong-Kwon Kim, Sung-Ryul Kim, Ki-Hun Jeong, Byeong-Hoon Cho, Jung-Suk Bang, Kun-Wook Han
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Patent number: 9261999Abstract: A display panel includes a plurality of pixels disposed on a first panel substrate of first and second panel substrates that face each other and cooperate to display an image. The second panel substrate includes a base substrate, a read-out line, a first insulating layer, a scan line, a switching device, and a light sensor. The read-out line is disposed on the base substrate and extended in a direction. The first insulating layer is disposed on the read-out line. The scan line is extended to cross the read-out line and disposed on the first insulating layer. The switching device includes a first electrode connected to the scan line, a second electrode connected to a read-out line, and a third electrode spaced apart from the second electrode. The light sensor is structured to selectively detect lights of predetermined wavelengths and connected to the third electrode of the switching device.Type: GrantFiled: November 18, 2011Date of Patent: February 16, 2016Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ki-Hun Jeong, Woongkwon Kim, Yunjong Yeo, Sungryul Kim, Byeonghoon Cho, HeeJoon Kim, Daecheol Kim, Hong-Kee Chin, Jung suk Bang, Kun-Wook Han
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Patent number: 9087750Abstract: A touch screen substrate includes a base substrate, a first switching element and a first sensing element which senses infrared light. The first switching element includes a first switching gate electrode, a first active pattern disposed on the first switching gate electrode, a first switching source electrode disposed on the first active pattern and a first switching drain electrode disposed apart from the first switching source electrode. The first sensing element includes a first sensing drain electrode connected to the first switching source electrode, a first sensing source electrode disposed apart from the first sensing drain electrode, a second active pattern disposed below the first sensing drain electrode and the first sensing source electrode and including a first amorphous layer, a doped amorphous layer and a second amorphous layer, and a first sensing gate electrode disposed on the first sensing drain electrode and the first sensing source electrode.Type: GrantFiled: October 6, 2010Date of Patent: July 21, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Woong-Kwon Kim, Jung-Suk Bang, Sung-Hoon Yang, Sang-Youn Han, Suk-Won Jung, Byeong-Hoon Cho, Dae-Cheol Kim, Ki-Hun Jeong, Kyung-Sook Jeon, Seung-Mi Seo, Kun-Wook Han, Mi-Seon Seo
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Patent number: 9054266Abstract: An IR sensing transistor according to an exemplary embodiment of the present invention includes: a light blocking layer formed on a substrate; a gate insulating layer formed on the light blocking layer; a semiconductor formed on the gate insulating layer; a pair of ohmic contact members formed on the semiconductor; a source electrode and a drain electrode formed on respective ones of the ohmic contact members; a passivation layer formed on the source electrode and the drain electrode; and a gate electrode formed on the passivation layer, wherein substantially all of the gate insulating layer lies on the light blocking layer.Type: GrantFiled: June 6, 2014Date of Patent: June 9, 2015Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Suk Won Jung, Byeong Hoon Cho, Sung Hoon Yang, Woong Kwon Kim, Sang Youn Han, Dae Cheol Kim, Ki-Hun Jeong, Kyung-Sook Jeon, Seung Mi Seo, Jung-Suk Bang, Kun-Wook Han
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Patent number: 9030460Abstract: A display apparatus includes pixels, a driver for providing a driving voltage, and conductive lines including a first line, a second line, and a third line. The display apparatus further includes a first circuit electrically connected to the driver for receiving the driving voltage and electrically connected to the pixels for controlling the pixels. The first circuit includes a first chip, a first inner line, a first pad, a second pad, a third pad, a fourth pad, and a fifth pad. The first chip is electrically connected to the driver through the third pad, the fourth pad, the fifth pad, the third line, the second line, the second pad, the first inner line, the first pad, and the first line. The fourth and fifth pads may contribute to consistent resistance for paths that transmit the driving voltage, for enabling desirable display quality of the display apparatus.Type: GrantFiled: July 9, 2012Date of Patent: May 12, 2015Assignee: Samsung Display Co., Ltd.Inventors: Woongkwon Kim, Sungryul Kim, Daecheol Kim, Jaewon Kim, Sungjin Mun, Kyung-ho Park, Jung suk Bang, Ki-Hun Jeong, Byeonghoon Cho, Kun-Wook Han
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Patent number: 9029971Abstract: A display apparatus includes a first substrate including a plurality of pixels, and a second substrate facing the first substrate, the second substrate comprising a sensor area and a peripheral area, the sensor area comprising a plurality of sensors. The second substrate includes an insulating layer, and a plurality of lines disposed on the insulating layer corresponding to the peripheral area and connected to the sensors. A void is formed in the insulating layer between two adjacent lines of the plurality of lines at a boundary of the sensor area and the peripheral area.Type: GrantFiled: September 28, 2012Date of Patent: May 12, 2015Assignee: Samsung Display Co., Ltd.Inventors: Ki-Hun Jeong, Woongkwon Kim, Jung Suk Bang, Daecheol Kim, Sungryul Kim, ByeongHoon Cho, Sungjin Mun, Kun-Wook Han
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Patent number: 8976305Abstract: A display apparatus includes a light generating part and a display panel. The display panel includes a first substrate, and a second substrate facing the first substrate. The second substrate includes a plurality of pixel units including a sensor sensing the light generated from the light generating part and reflected from an object disposed on the display panel, and a pixel. The display panel further includes a light blocking member which is positioned at a position corresponding to an area in which the sensor is disposed and prevents the light generated from the light generating part from being directly incident to the sensor. The light blocking member is disposed on the first substrate.Type: GrantFiled: January 17, 2012Date of Patent: March 10, 2015Assignee: Samsung Display Co., Ltd.Inventors: Sungryul Kim, Daecheol Kim, Woongkwon Kim, Ki-Hun Jeong, Sungjin Mun, Jung suk Bang, Byeonghoon Cho, Kun-Wook Han
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Patent number: 8907924Abstract: An information detection device includes: a plurality of light sensing units each configured to detect light; a plurality of sensor scanning drivers each configured to apply sensor scanning signals to the light sensing units; a sensing signal processor configured to receive position information detected by the light sensing units; a plurality of bias applying units each configured to apply bias voltages to the light sensing units; wherein each bias applying unit applies a different polarity of bias voltage.Type: GrantFiled: April 20, 2011Date of Patent: December 9, 2014Assignee: Samsung Display Co., Ltd.Inventors: Sang-Youn Han, Dong-Kwon Kim, Kyung-Sook Jeon, Sung-Hoon Yang, Joo-Han Kim, Woong-Kwon Kim, Suk-Won Jung, Byeong-Hoon Cho, Dae-Cheol Kim, Hui-Sung Lee, Ki-Hun Jeong, Seung-Mi Seo, Jung-Suk Bang, Kun-Wook Han, Mi-Seon Seo
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Patent number: 8901691Abstract: A touch sensing substrate includes a substrate, a first light sensing element, a second light sensing element and a first bias line. The first light sensing element includes a first gate electrode, a first active pattern overlapping with the first gate electrode, a first source electrode partially overlapping with the first active pattern and a first drain electrode partially overlapping with the first active pattern. The second light sensing element includes a second gate electrode, a second active pattern overlapping with the second gate electrode, a second source electrode partially overlapping with the second active pattern and a second drain electrode partially overlapping with the second active pattern. The first bias line is connected to the first and second gate electrodes.Type: GrantFiled: September 23, 2011Date of Patent: December 2, 2014Assignee: Samsung Display Co., Ltd.Inventors: Yun-Jong Yeo, Byeong-Hoon Cho, Ki-Hun Jeong, Hong-Kee Chin, Jung-Suk Bang, Woong-Kwon Kim, Sung-Ryul Kim, Hee-Joon Kim, Dae-Cheol Kim, Kun-Wook Han
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Publication number: 20140287542Abstract: An IR sensing transistor according to an exemplary embodiment of the present invention includes: a light blocking layer formed on a substrate; a gate insulating layer formed on the light blocking layer; a semiconductor formed on the gate insulating layer; a pair of ohmic contact members formed on the semiconductor; a source electrode and a drain electrode formed on respective ones of the ohmic contact members; a passivation layer formed on the source electrode and the drain electrode; and a gate electrode formed on the passivation layer, wherein substantially all of the gate insulating layer lies on the light blocking layer.Type: ApplicationFiled: June 6, 2014Publication date: September 25, 2014Inventors: Suk Won JUNG, Byeong Hoon CHO, Sung Hoon YANG, Woong Kwon KIM, Sang Youn HAN, Dae Cheol KIM, Ki-Hun JEONG, Kyung-Sook JEON, Seung Mi SEO, Jung-Suk BANG, Kun-Wook Han
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Publication number: 20140247403Abstract: A touch display apparatus includes a base substrate, a light blocking semiconductor pattern disposed on the base substrate and configured to block a visible light and transmit an infrared light, a sensing element disposed on the light blocking semiconductor pattern and configured to detect a touch position using an incident infrared light, a driving element configured to drive the sensing element, a signal line electrically connected with the sensing element or the driving element and extending in a direction, and a wiring connecting part disposed under the signal line and including a same material as the light blocking semiconductor pattern.Type: ApplicationFiled: October 29, 2013Publication date: September 4, 2014Applicant: Samsung Display Co., Ltd.Inventors: Sung-Jin MUN, Dae-Cheol KIM, Woong-Kwon KIM, Sung-Ryul KIM, Ki-Hun JEONG, Byeong-Hoon CHO, Jung-Suk Bang, Kun-Wook HAN
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Publication number: 20140232972Abstract: A display substrate includes a base substrate, a reflection controlling layer disposed on the base substrate, and a metal wiring layer disposed on the reflection controlling layer. The metal wiring layer comprises an opaque metal. The reflection controlling layer changes wavelength-specific reflectance of reflected light using destructive interference. The reflected light is reflected from the metal wiring layer through the base substrate and the reflection controlling layer.Type: ApplicationFiled: August 8, 2013Publication date: August 21, 2014Applicant: Samsung Display Co., Ltd.Inventors: Dae-Cheol KIM, Dong-Kwon Kim, Woong-Kwon Kim, Ki-Hun Jeong, Byeong-Hoon Cho, Kun-Wook Han
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Patent number: 8796626Abstract: An optical sensor includes a visible light sensor includes a visible light sensing transistor and an infrared light sensor includes an infrared light sensing transistor, wherein the visible light sensing transistor receives a first driving voltage through a first driving voltage line, the infrared light sensing transistor receives a second driving voltage through a second driving voltage line, and the visible light sensing transistor and the infrared light sensing transistor receive a reference voltage through a reference voltage line.Type: GrantFiled: July 29, 2011Date of Patent: August 5, 2014Assignee: Samsung Display Co., Ltd.Inventors: Kun-Wook Han, Sung-Ryul Kim, Woong-Kwon Kim, Dae-Cheol Kim, Ki-Hun Jeong, Jung-Suk Bang, Yun-Jong Yeo, Byeong-Hoon Cho, Hong-Kee Chin, Sung-Jin Mun