公开(公告)号：US20240274102A1

公开(公告)日：2024-08-15

申请号：US18431074

申请日：2024-02-02

申请人： LX SEMICON CO., LTD.

发明人： Jun Ho HEO ,  Yong Hee KIM ,  Byung Cheol SONG ,  Seung Wan YU ,  Seung Hyun LEE ,  Jun Min LEE ,  Ji Won LEE ,  Hee Jin LEE ,  Se Ha JEONG

IPC分类号： G09G5/30 ,  G09G5/10

CPC分类号： G09G5/30 ,  G09G5/10 ,  G09G2320/0233 ,  G09G2320/0626 ,  G09G2320/066 ,  G09G2360/16

摘要： The present disclosure discloses a display device for improving visibility of an image and a visibility improvement method of an image therefor, and the display device implements global compensation and local compensation adaptively to content displayed in the image, thereby improving the visibility of the image.

公开(公告)号：US12062319B2

公开(公告)日：2024-08-13

申请号：US18210101

申请日：2023-06-15

申请人： LX Semicon Co., Ltd.

发明人： Sung Wan Jung ,  Seong Bok Cha ,  Soo Woo Kim ,  Yong Ik Jung

IPC分类号： G09G3/20

CPC分类号： G09G3/2096 ,  G09G2310/08 ,  G09G2330/021 ,  G09G2330/04

摘要： The present disclosure discloses a display apparatus having a lock function and a display driving circuit thereof. The display driving circuit of the present disclosure is configured to transfer a lock signal in a cascade way, receive a lock signal by pull-up and transfer the lock signal in an open drain form.

公开(公告)号：US12062316B2

公开(公告)日：2024-08-13

申请号：US18320669

申请日：2023-05-19

申请人： LX SEMICON CO., LTD.

发明人： Hyeong Seok Kim

IPC分类号： G09G3/20 ,  G09G5/00

CPC分类号： G09G3/2092 ,  G09G5/008 ,  G09G2310/08 ,  G09G2320/064 ,  G09G2320/0693

摘要： Disclosed are a display driving circuit and a frequency correction method of the display driving circuit, capable of quickly correcting a frequency change of a clock signal when a display device is driven at a low scan rate.

公开(公告)号：US20240257701A1

公开(公告)日：2024-08-01

申请号：US18425650

申请日：2024-01-29

申请人： LX SEMICON CO., LTD.

发明人： You Jin KWON ,  A Reum KIM ,  Jae Eun LEE

IPC分类号： G09G3/20 ,  G09G3/3208

CPC分类号： G09G3/2096 ,  G09G3/3208 ,  G09G2330/025 ,  G09G2370/00

摘要： Disclosed is a method of controlling a display device, the method including generating a plurality of Average Picture Level (APL) data for each specific period within a vertical blank period by a first display module, transmitting a plurality of the APL data to a second display module at a specific timing point by the first display module, receiving a plurality of the APL data by the second display module, and processing image data by the second display module based on a specific APL data among a plurality of the received APL data.

公开(公告)号：US20240255545A1

公开(公告)日：2024-08-01

申请号：US18399918

申请日：2023-12-29

申请人： LX SEMICON CO., LTD.

发明人： Min Suk KIM ,  Seung Il HONG

IPC分类号： G01R1/073 ,  G01R1/067

CPC分类号： G01R1/07342 ,  G01R1/06711

摘要： A semiconductor chip disposed on a wafer may be tested by using a probe card provided at an upper portion of a chamber for testing the semiconductor chip. A signal generated from a test module is transmitted to a needle included in the probe card, so that abnormality in the semiconductor chip may be tested.

公开(公告)号：US20240251087A1

公开(公告)日：2024-07-25

申请号：US18626858

申请日：2024-04-04

申请人： LX Semicon Co., Ltd.

发明人： DONG SAN JUN ,  Jung Won KANG ,  Hyun Suk KO ,  Sung Chang LIM ,  Jin Ho LEE ,  Ha Hyun LEE ,  Hui Yong KIM

IPC分类号： H04N19/147 ,  H04N19/176

CPC分类号： H04N19/147 ,  H04N19/176

摘要： An image encoding/decoding method may comprise deriving at least one merge candidate of a current block, generating an initial merge candidate list of the current block by using the derived at least one merge candidate and generating a reconfigured merge candidate list by using the initial merge candidate list.

公开(公告)号：US12022067B2

公开(公告)日：2024-06-25

申请号：US18222756

申请日：2023-07-17

申请人： LX Semicon Co., Ltd.

发明人： Jin Ho Lee ,  Jung Won Kang ,  Hyun Suk Ko ,  Sung Chang Lim ,  Ha Hyun Lee ,  Dong San Jun ,  Hui Yong Kim

IPC分类号： H04N19/11 ,  H04N19/105 ,  H04N19/117 ,  H04N19/176 ,  H04N19/593

CPC分类号： H04N19/11 ,  H04N19/105 ,  H04N19/117 ,  H04N19/176 ,  H04N19/593

摘要： An image encoding/decoding method and apparatus for performing intra prediction using a plurality of reference sample lines are provided. An image decoding method may comprise configuring a plurality of reference sample lines, reconstructing an intra prediction mode of a current block, and performing intra prediction for the current block based on the intra prediction mode and the plurality of reference sample lines.

公开(公告)号：US12021534B2

公开(公告)日：2024-06-25

申请号：US17992744

申请日：2022-11-22

申请人： LX Semicon Co., Ltd.

发明人： Jong Suk Lee ,  Soek Jae Oh ,  Won Kim

IPC分类号： H03K5/135 ,  H03K5/14

CPC分类号： H03K5/135 ,  H03K5/14

摘要： A clock data recovery circuit of a display suitable for recovering a clock from a clock data signal. The clock data recovery circuit includes a clock recovery circuit configured to delay an input clock through delay units of multiple stages, and output delayed clocks from the delay units, respectively; and a data recovery circuit configured to recover data of a clock data signal using a recovered clock selected among the delayed clocks.

公开(公告)号：US20240196498A1

公开(公告)日：2024-06-13

申请号：US18532346

申请日：2023-12-07

申请人： LX SEMICON CO., LTD.

发明人： Min Cheol KONG ,  Ji Hwan KIM

IPC分类号： H05B45/54 ,  H05B47/24 ,  H05K9/00

CPC分类号： H05B45/54 ,  H05B47/24 ,  H05K9/0067

摘要： A current source device for electrostatic discharge and a display device including the same are disclosed. The current source device includes a sourcing circuit including a first MOS transistor configured to transmit a current flowing from a pad to a first node in response to a current control voltage, and a second MOS transistor configured to transmit the current flowing from the first node to a ground in response to a bias voltage, and a control circuit including an amplifier configured to generate the current control voltage based on a setting voltage applied from an outside and a voltage of the first node, a first resistor disposed between an output terminal of the amplifier and a gate terminal of the first MOS transistor, and a first switch configured to transmit the bias voltage to a gate terminal of the second MOS transistor in response to a switching control signal.

公开(公告)号：US20240194693A1

公开(公告)日：2024-06-13

申请号：US18532449

申请日：2023-12-07

申请人： LX SEMICON CO., LTD.

发明人： Cheongsik YU

IPC分类号： H01L27/12

CPC分类号： H01L27/124

摘要： The embodiment relates to a wiring structure of a transistor for driving a display panel, a method of manufacturing the same, and a display driver IC including the same.
The wiring structure of a transistor for display driving according to an embodiment comprises a substrate, a device layer disposed on the substrate including a plurality of transistors, and at least one insulating layer disposed on the device layer, a plurality of metal wirings that electrically connect the plurality of transistors and are spaced apart from each other and disposed in the insulating layer; and an air gap disposed between the spaced metal wirings; and an oxidation prevention layer disposed on the metal wirings.
The oxidation prevention layer may be disposed on the top and side surfaces of the metal wiring and the insulating layer.