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公开(公告)号：US11620847B2
公开(公告)日：2023-04-04
申请号：US17370206
申请日：2021-07-08
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Keum Dong Jung , Il Nam Kim , Kyung Tea Park , Jin Oh Kwag , Won Sang Park , Sung Chan Jo
Abstract: A fingerprint recognition device including: a sensing panel including a plurality of sensing blocks, wherein each of the sensing blocks includes a plurality of sensors; a scan driving unit configured to provide a scan signal to the sensors; and a timing controller configured to provide a second initiation signal to the scan driving unit, wherein each of the sensors includes a reference capacitor and a sensing capacitor, the scan driving unit includes scan drivers that correspond to rows of the sensing blocks, in a fingerprint recognition mode, the timing controller provides the second initiation signal to a scan driver corresponding to a sensing block where a touch input is generated, and in a touch mode, the timing controller sequentially provides the second initiation signal to the scan drivers.
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公开(公告)号：US20220165834A1
公开(公告)日：2022-05-26
申请号：US17472842
申请日：2021-09-13
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Kang Bin Jo , Go Eun Cha , Kyung Tea Park , Jong Hyun Lee
Abstract: A display device includes a display panel having a plurality of pixels connected to gate lines and data lines, and a plurality of fingerprint sensors connected to sensing lines and read-out lines. A gate driver provides gate signals to the gate lines and provides sensing signals to the sensing lines. The gate driver includes a first gate signal supply module providing a first gate signal to a first gate line among the gate lines. A first switching element is turned on by a reset enable signal to connect the first gate line and a first sensing line among the sensing lines.
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公开(公告)号：US20220058363A1
公开(公告)日：2022-02-24
申请号：US17338002
申请日：2021-06-03
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Seung Hyun MOON , Dong Wook Yang , Go Eun Cha , Kyung Tea Park , Kang Bin Jo
Abstract: A display device includes a display panel including a pinhole optical system and an optical sensor overlapping the pinhole optical system. A fingerprint detection method which detects a user's fingerprint using the display device includes obtaining fingerprint sensing data by sensing a user's fingerprint using the display device, detecting misalignment information indicating a degree of misalignment between the pinhole optical system and the optical sensor, generating calibration data using at least one piece of reference data corresponding to at least one reference folding angle according to the detected misalignment information, generating fingerprint data by correcting the fingerprint sensing data using the calibration data, and detecting the user's fingerprint according to the fingerprint data.
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公开(公告)号：US09287436B2
公开(公告)日：2016-03-15
申请号：US13717914
申请日：2012-12-18
Applicant: SAMSUNG DISPLAY CO., LTD. , INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY , ULSAN COLLEGE INDUSTRY COOPERATION
Inventor： Sang Youn Han , Cheol Kyu Kim , Jun Ho Song , Sung Hoon Yang , Kyung Tea Park , Seung Mi Seo , Suk Won Jung , Do Young Kim , Sun Jo Kim , Hyung Jun Kim
IPC: H01L31/18 , H01L27/144 , H01L27/146
CPC classification number: H01L31/1812 , H01L27/1443 , H01L27/14623 , H01L27/14632 , H01L27/14679
Abstract: A display device includes: a first substrate; a photo transistor on the first substrate; and a switching transistor connected to the photo transistor. The photo transistor includes a light blocking film on the first substrate, a first gate electrode on the light blocking film and in contact with the light blocking film, a first semiconductor layer on the first gate electrode and overlapping the light blocking film, and a first source electrode and a first drain electrode on the first semiconductor layer. The switching transistor includes a second gate electrode on the first substrate, a second semiconductor layer on the second gate electrode and overlapping the second gate electrode, and a second source electrode and a second drain electrode on the second semiconductor layer. The first semiconductor layer and the second semiconductor layer are at a same layer of the display device, and each includes crystalline silicon germanium.
Abstract translation: 一种显示装置，包括：第一基板; 第一基板上的光电晶体管; 以及连接到光电晶体管的开关晶体管。 所述光电晶体管包括在所述第一基板上的遮光膜，所述遮光膜上的与所述遮光膜接触的第一栅电极，所述第一栅电极上的与所述遮光膜重叠的第一半导体层， 源电极和第一半导体层上的第一漏电极。 开关晶体管包括在第一衬底上的第二栅极电极，在第二栅电极上的第二半导体层，并与第二栅电极重叠，第二源电极和第二漏电极在第二半导体层上。 第一半导体层和第二半导体层位于显示装置的相同层，并且各自包括晶体硅锗。
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公开(公告)号：US20140192287A1
公开(公告)日：2014-07-10
申请号：US14075327
申请日：2013-11-08
Applicant: Samsung Display Co., Ltd
Inventor： Sang Youn HAN , Kyung Tea Park , Cheol Kyu Kim , Sung Hoon Yang , Sang Hyun Jeon , Eun Jeong Cho
IPC: G02F1/1368 , G02F1/1335
CPC classification number: G02F1/1368 , H01L27/1214 , H01L29/4908
Abstract: A display device includes a display panel including a transistor and a backlight unit providing light to the display panel. The transistor includes a transparent substrate that the backlight unit faces. A gate electrode having a first width is disposed on the transparent substrate. A gate insulating layer, having a barrier layer, is disposed on the gate electrode and the transparent substrate. A semiconductor layer is disposed on the gate insulating layer. The semiconductor layer has a second width greater than the first width.
Abstract translation: 显示装置包括：显示面板，包括晶体管和向显示面板提供光的背光单元。 晶体管包括背光单元所面对的透明基板。 具有第一宽度的栅电极设置在透明基板上。 具有阻挡层的栅极绝缘层设置在栅电极和透明基板上。 半导体层设置在栅极绝缘层上。 半导体层具有大于第一宽度的第二宽度。
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Patent Agency Ranking
16.发明授权公开(公告)号：US11829554B2
公开(公告)日：2023-11-28
申请号：US17453936
申请日：2021-11-08
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Kyung Tea Park , Hyun Dae Lee , Kang Bin Jo , Jong Hyun Lee
CPC classification number: G06F3/04166 , G06F3/0443 , G06F3/0448 , G06V40/1306
Abstract: A display device includes a display panel including a plurality of touch electrodes, a touch driving circuit electrically connected to the plurality of touch electrodes, and a fingerprint sensor device disposed on one surface of the display panel and including a plurality of unit blocks. The fingerprint sensor device includes a plurality of fingerprint scan lines extending in a first direction, a plurality of fingerprint sensing lines extending in a second direction crossing the first direction, a plurality of sensor pixels respectively connected to the plurality of fingerprint scan lines and the plurality of fingerprint sensing lines, and a fingerprint scan driver having a plurality of stages for applying a fingerprint scan signal to each of the plurality of fingerprint scan lines. The touch driving circuit applies a start signal to the fingerprint scan driver.
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公开(公告)号：US20210334496A1
公开(公告)日：2021-10-28
申请号：US17370206
申请日：2021-07-08
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Keum Dong JUNG , II Nam Kim , Kyung Tea Park , Jin Oh Kwag , Won Sang Park , Sung Chan Jo
IPC: G06K9/00
Abstract: A fingerprint recognition device including: a sensing panel including a plurality of sensing blocks, wherein each of the sensing blocks includes a plurality of sensors; a scan driving unit configured to provide a scan signal to the sensors; and a timing controller configured to provide a second initiation signal to the scan driving unit, wherein each of the sensors includes a reference capacitor and a sensing capacitor, the scan driving unit includes scan drivers that correspond to rows of the sensing blocks, in a fingerprint recognition mode, the timing controller provides the second initiation signal to a scan driver corresponding to a sensing block where a touch input is generated, and in a touch mode, the timing controller sequentially provides the second initiation signal to the scan drivers.
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公开(公告)号：US10650220B2
公开(公告)日：2020-05-12
申请号：US15868166
申请日：2018-01-11
Applicant: SAMSUNG DISPLAY CO., LTD.
Inventor： Byung Han Yoo , Ki Seo Kim , Jae Kyoung Kim , Kyung Tea Park , Won Sang Park , Jong In Baek , Byeong Hee Won
Abstract: A security device includes a door handle unit disposed on a door body, a cover layer including a touch sensor and covering the door handle unit, a door locking unit which controls a locking of the door body. The touch sensor may include a plurality of sensor pixels, each including a sensor electrode which forms a second capacitor with a hand of a user when a touch occurs thereon by the user. The touch sensor may generate touch information based on a change in capacitance of the second capacitor corresponding to the touch.
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公开(公告)号：US10650213B2
公开(公告)日：2020-05-12
申请号：US15890581
申请日：2018-02-07
Applicant: Samsung Display Co., Ltd.
Inventor： Keum Dong Jung , Ki Seo Kim , Il Nam Kim , Jae-Kyoung Kim , Kyung Tea Park , Jong In Baek
IPC: G06K9/00
Abstract: A fingerprint sensing device includes: a fingerprint sensor including scan lines and initialization lines extending in a first direction and arranged in a second direction, sensing lines extending in the second direction and arranged in the first direction, and sensing pixels connected to the scan lines, the initialization lines, and the sensing lines and disposed in a matrix configuration; a scan driver configured to apply an enable-level initialization signal to a-numbered sensing pixel rows while applying a disable-level initialization signal to b-numbered sensing pixel rows, and applying an enable-level scan signal to one sensing pixel row in the b-numbered sensing pixel rows; and a sensing driver configured to receive a sensing signal from the sensing pixel row to which the scan signal is applied through the sensing lines, wherein the a and b are positive numbers that are greater than 2.
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公开(公告)号：US10374019B2
公开(公告)日：2019-08-06
申请号：US16130806
申请日：2018-09-13
Applicant: Samsung Display Co., Ltd.
Inventor： Byung Han Yoo , Young Chan Kim , Kyung Tea Park , Yong-Suk Yeo
Abstract: A display device includes: a display panel including a display area for displaying an image; a window provided on an upper portion of the display panel; a protection plate provided on a lower portion of the display panel; and a photosensor provided at least one of between the display panel and the window and between the display panel and the protection plate, wherein the photosensor includes a shutter for controlling light emitted by the display panel to transmit through the window or the protection plate, and a photodetector for receiving the light reflected after transmitting through the window or the protection plate.
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