公开(公告)号：US20240194119A1

公开(公告)日：2024-06-13

申请号：US18537078

申请日：2023-12-12

申请人： LX SEMICON CO., LTD.

发明人： Jong Suk LEE ,  Seok Jae OH

IPC分类号： G09G3/20

CPC分类号： G09G3/2096 ,  G09G2310/0275 ,  G09G2320/041 ,  G09G2330/023

摘要： Disclosed herein is a method of controlling a display driving apparatus configured to operate a display device that displays an image. The method includes receiving a first image signal (RGB) from an external system, converting the first image signal (RGB) into a second image signal (RGB′) in a format processable by a data driver, outputting the second image signal (RGB′), converting the second image signal (RGB′) into a source signal based on a data control signal generated by a timing controller, converting heat energy generated by the data driver into a voltage, calculating a temperature of the data driver based on the converted voltage, and changing a resistance for impedance matching between the timing controller and the data driver based on the calculated temperature.

公开(公告)号：US20240176378A1

公开(公告)日：2024-05-30

申请号：US18518770

申请日：2023-11-24

申请人： LX SEMICON CO., LTD.

发明人： Harim CHOI ,  Kyung Min SHIN ,  Yongsung AHN

IPC分类号： G05F3/20 ,  G05F1/46

CPC分类号： G05F3/20 ,  G05F1/468

摘要： Proposed is a band gap reference circuit under a low supply voltage capable of generating a band gap reference voltage even under a low supply voltage by using a plurality of bias voltages separately generated and a current source using these bias voltages without using a diode connected structure used in the related art while not being affected by limitations in the operating voltage of a bipolar transistor. The band gap reference circuit under a low supply voltage includes a voltage reference main circuit configured to generate a first node voltage and a second node voltage in response to a first bias voltage and a band gap reference voltage, and a transimpedance amplifier configured to generate the band gap reference voltage by amplifying a difference between the first node voltage and the second node voltage using the first bias voltage, a second bias voltage, and a third bias voltage.

公开(公告)号：US20240121385A1

公开(公告)日：2024-04-11

申请号：US18376588

申请日：2023-10-04

申请人： LX Semicon Co., Ltd.

发明人： Hyun Suk KO ,  Jin Ho LEE ,  Sung Chang LIM ,  Jung Won KANG ,  Ha Hyun LEE ,  Dong San JUN ,  Seung Hyun CHO ,  Hui Yong KIM ,  Jin Soo CHOI

IPC分类号： H04N19/11 ,  H04N19/105 ,  H04N19/159 ,  H04N19/176 ,  H04N19/184 ,  H04N19/593 ,  H04N19/96

CPC分类号： H04N19/11 ,  H04N19/105 ,  H04N19/159 ,  H04N19/176 ,  H04N19/184 ,  H04N19/593 ,  H04N19/96

摘要： The present invention relates to an intra prediction method and apparatus. The image decoding method according to the present invention may comprise decoding information on intra prediction; and generating a prediction block by performing intra prediction for a current block based on the information on intra prediction. The information on intra prediction may include information on an intra prediction mode, and the intra prediction mode may include a curved intra prediction mode.

公开(公告)号：US11953772B2

公开(公告)日：2024-04-09

申请号：US18182595

申请日：2023-03-13

申请人： LX SEMICON CO., LTD.

发明人： Sun Young Park

IPC分类号： G02F1/1333

CPC分类号： G02F1/13338

摘要： Disclosed herein a touch display driving device for driving a touch panel including first and second touch panels, which includes a plurality of touch sensing circuits configured to receive a touch sensing signal from the touch panel, and a plurality of driving device pads connected to the touch panel and selectively connected to the touch sensing circuit, wherein the plurality of driving device pads are divided into first, second, and third driving device pads, and when the touch sensing signal is received from the first touch panel through the first and second driving device pads, the touch sensing circuit connected to the third driving device pad is turned off.

公开(公告)号：US20240096720A1

公开(公告)日：2024-03-21

申请号：US18512939

申请日：2023-11-17

申请人： LX SEMICON CO., LTD.

发明人： Deog Soo KIM ,  Tae Ryong KIM

IPC分类号： H01L23/24 ,  H01L21/48 ,  H01L23/00 ,  H01L23/373 ,  H01L25/00 ,  H01L25/07

CPC分类号： H01L23/24 ,  H01L21/4803 ,  H01L23/3735 ,  H01L24/05 ,  H01L24/06 ,  H01L24/29 ,  H01L24/32 ,  H01L24/33 ,  H01L24/83 ,  H01L25/072 ,  H01L25/50 ,  H01L2224/05624 ,  H01L2224/05639 ,  H01L2224/05655 ,  H01L2224/05666 ,  H01L2224/05672 ,  H01L2224/0603 ,  H01L2224/06181 ,  H01L2224/06505 ,  H01L2224/29111 ,  H01L2224/29139 ,  H01L2224/32225 ,  H01L2224/3303 ,  H01L2224/33181 ,  H01L2224/8314 ,  H01L2224/83192 ,  H01L2924/0132 ,  H01L2924/10272 ,  H01L2924/13055 ,  H01L2924/13091

摘要： A semiconductor module having a double-sided heat dissipation structure according to one aspect of the present invention, which can secure the gap between the first and second heat dissipation substrates without using existing spacers, includes a first heat dissipation substrate and a second heat dissipation substrate arranged to face each other; a guide stack disposed between the first heat dissipation substrate and the second heat dissipation substrate, and having an opening area for mounting a semiconductor die in a pattern; and a semiconductor die mounted within the opening area.

公开(公告)号：US11934615B2

公开(公告)日：2024-03-19

申请号：US18200320

申请日：2023-05-22

申请人： LX Semicon Co., Ltd.

发明人： Seong Sik Yoon ,  Seong Wha Hong

IPC分类号： G06F3/041

CPC分类号： G06F3/04184 ,  G06F3/0412 ,  G06F2203/04114

摘要： The present disclosure relates to a touch power management circuit and a touch driving system comprising the same, and more particularly, relates to a touch power management circuit to generate signals required for a touch driving by using voltage sources different in a pen touch driving period and a finger touch driving period in order to reduce power consumption of a display device and a touch driving system comprising the touch power management circuit.

公开(公告)号：US20240080455A1

公开(公告)日：2024-03-07

申请号：US18508753

申请日：2023-11-14

申请人： LX SEMICON CO., LTD.

发明人： Sung Chang LIM ,  Hyun Suk KO ,  Jung Won KANG ,  Jin Ho Lee ,  Ha Hyun LEE ,  Dong San Jun ,  Hui Yong KIM

IPC分类号： H04N19/159 ,  H04N19/105 ,  H04N19/132 ,  H04N19/176

CPC分类号： H04N19/159 ,  H04N19/105 ,  H04N19/132 ,  H04N19/176

摘要： An image encoding/decoding method and apparatus for performing intra prediction mode based intra prediction are provided. An image decoding method may comprise decoding an intra prediction mode of a current block, deriving at least one intra prediction mode from the decoded intra prediction mode of the current block, generating two or more intra prediction blocks using the intra prediction mode of the current block and the derived intra prediction mode, and generating an intra prediction block of the current block based on the two or more intra prediction blocks.

公开(公告)号：US11922854B2

公开(公告)日：2024-03-05

申请号：US17865607

申请日：2022-07-15

申请人： LX SEMICON CO., LTD.

发明人： You Jin Kwon

IPC分类号： G09G3/20 ,  G09G3/3208 ,  G09G3/3275 ,  G09G3/36 ,  G09G5/00

CPC分类号： G09G3/2092 ,  G09G3/3208 ,  G09G3/3275 ,  G09G3/36 ,  G09G3/3688 ,  G09G5/001 ,  G09G2300/043 ,  G09G2310/0243 ,  G09G2310/08 ,  G09G2320/02

摘要： A timing controller suitable for receiving image data and a timing signal from a host system and outputting output data to a data driving circuit may include a scrambler configured to output scrambled image data by scrambling the image data; a pattern detection unit configured to calculate a first unbalanced pattern count as a count of unbalanced patterns included in the image data and a second unbalanced pattern count as a count of unbalanced patterns included in the scrambled image data; and an output data determination unit configured to determine output data by using the first unbalanced pattern count and the second unbalanced pattern count.

公开(公告)号：US20240056005A1

公开(公告)日：2024-02-15

申请号：US18232647

申请日：2023-08-10

申请人： LX SEMICON CO., LTD.

发明人： Jang Hyun YOON

IPC分类号： H02P6/15

CPC分类号： H02P6/157

摘要： A motor driver includes an analog-to-digital converter (ADC) which, when a voltage sensing signal detected at a phase voltage of a specific coil in a floating period is input, samples the input voltage sensing signal at a sampling point and converts the input voltage sensing signal into digital voltage sampling data and a back electromotive force voltage determination unit which determines a back electromotive force voltage of the specific coil on the basis of a plurality of pieces of the digital voltage sampling data input for N periods.

公开(公告)号：US11900858B2

公开(公告)日：2024-02-13

申请号：US18091066

申请日：2022-12-29

申请人： LX Semicon Co., Ltd.

发明人： Jung Min Choi

IPC分类号： G09G3/20 ,  G06F3/041 ,  G06F3/044

CPC分类号： G09G3/2096 ,  G06F3/0412 ,  G06F3/04166 ,  G06F3/044 ,  G09G2310/0289 ,  G09G2310/06 ,  G09G2330/021 ,  G09G2330/028 ,  G09G2354/00

摘要： The present disclosure relates to a power management circuit including a multiplexer and a power converter, and can provide technology that implements a multiplexer selecting and outputting input power to the power management circuit and a power converter controlling input voltage of a timing controller as one integrated circuit.