Patents Assigned to LX Semicon Co., Ltd.
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Patent number: 12260803Abstract: The embodiment relates to a data driving device for driving pixels of a display panel. In the data driving device, two adjacent DACs can have different gate loads for the same gray level value so that the fluctuation of the gate load according to the gray level value is reduced.Type: GrantFiled: November 17, 2023Date of Patent: March 25, 2025Assignee: LX SEMICON CO., LTD.Inventors: Da Sol Won, Kwang Myung Kang, Yong Min Kim, Dong Keun Song, Jung Min Choi, Seon Ho Hong
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Patent number: 12260047Abstract: Touch sensing device and touch sensing method are disclosed. A touch sensing device according to the present disclosure may include a receiving circuit configured to receive a first sensing value generated in a differential mode using a first input signal input to the first sensing electrode and a second input signal input to the second sensing electrode; and a noise determination circuit configured to receive a reference sensing value generated using the second input signal and determining the amount of noise of the first sensing value using the reference sensing value.Type: GrantFiled: August 2, 2023Date of Patent: March 25, 2025Assignee: LX SEMICON CO., LTD.Inventors: Youngeun Lee, Chinwan Lee, Sangmin Choi
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Patent number: 12259772Abstract: A power management circuit includes a control signal reception circuit configured to receive a power control signal for controlling an operation of the power management circuit in correspondence to a driving mode of a panel, from a microcontroller which receives information on the driving mode of the panel; an output signal change circuit configured to change an output signal of the power management circuit in response to the power control signal; a control target selection circuit configured to select a control target circuit to which the output signal is to be transferred; and an output signal transmission circuit configured to transfer the output signal to the control target circuit.Type: GrantFiled: September 8, 2022Date of Patent: March 25, 2025Assignee: LX SEMICON CO., LTD.Inventors: Seong Sik Yoon, Moon Ho Jang, Dal Eun Lee
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Publication number: 20250095607Abstract: Driving a display panel includes setting data for setting an environment of a high-speed communication is transmitted through a low-speed communication before performing a high-speed communication for image data, thereby reducing errors in the high-speed communication and increasing the communication speed.Type: ApplicationFiled: December 3, 2024Publication date: March 20, 2025Applicant: LX SEMICON CO., LTD.Inventors: Do Seok KIM, Yong Hwan MUN, Myung Yu KIM, Hyun Pyo CHO
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Publication number: 20250098236Abstract: A power semiconductor device includes a substrate, a first epi layer of a first conductivity type disposed on the substrate, a second epi layer of a first conductivity type disposed on the first epi layer, a first well of a second conductivity type partially disposed in the first epi layer, a second well of a second conductivity type disposed on the second epi layer, an ion implantation region and a source region of the second conductivity type disposed in the second well, a source electrode in the source region, a gate insulating layer in a trench region where a portion of the ion implantation region and the second epi layer is removed, a trench gate disposed on the gate insulating layer, an interlayer insulating layer disposed on the trench gate and a gate electrode electrically connected to the trench gate.Type: ApplicationFiled: September 18, 2024Publication date: March 20, 2025Applicant: LX SEMICON CO., LTD.Inventors: Ho Jung LEE, Nam Ju KANG, Dong Kyun KIM, Kuk Tae HONG, Jun Ha HWANG
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Patent number: 12253688Abstract: A system for driving an actuator which is capable of providing constant resolution regardless of a type of an actuator according to an aspect of the present invention includes an actuator driving circuit configured to generate a driving current for an operating actuator and output the generated driving current to the operating actuator, a current sensing unit configured to sense a current of the operating actuator and generate a sensing signal, and a gain adjustment unit configured to calculate a gain on the basis of a first maximum driving current range of the operating actuator and a second maximum driving current range of a reference actuator and change the sensing signal on the basis of the gain. A signal generated based on the second sensing signal is input to the actuator driving circuit.Type: GrantFiled: November 1, 2021Date of Patent: March 18, 2025Assignee: LX Semicon Co., LTDInventors: Dong Gil Jeong, Kyu Ho Kim, Ho Yul Choi, Chang In Park
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Patent number: 12256062Abstract: The present invention relates to an image decoding method. The image decoding method comprises deriving initial motion information of a current block from at least one of motion information of a spatial neighbor block, motion information of a temporal neighbor block, and pre-defined motion information, generating refined motion information by performing motion information refinement for the initial motion information and generating a prediction block of the current block by using the refined motion information.Type: GrantFiled: March 13, 2019Date of Patent: March 18, 2025Assignee: LX Semicon Co., Ltd.Inventors: Sung Chang Lim, Ha Hyun Lee, Jung Won Kang, Jin Ho Lee, Hui Yong Kim
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Publication number: 20250088181Abstract: Disclosed in an embodiment is a frequency control circuit. The frequency control circuit is able to compare a preset target frequency value with an output frequency value of an output signal and control the frequency of the output signal according to a comparison result.Type: ApplicationFiled: December 23, 2022Publication date: March 13, 2025Applicant: LX SEMICON CO., LTD.Inventors: Kyu Ho KIM, Jin Ho CHOI
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Publication number: 20250089308Abstract: A power semiconductor device includes a substrate, a first epi layer of first conductivity type on the substrate, a second epi layer of first conductivity type on the first epi layer, a first well of second conductivity type on the second epi layer, a first conductivity type source area on the second conductivity type first well, a gate insulating layer disposed on a bottom and sidewalls of a trench area from which a portion of first conductive type source area, the first well, and the second epi layer are removed, a trench gate disposed in the trench on the gate insulating layer, a second well of second conductivity type disposed on the second epi layer and spaced apart from the gate insulating layer and an ion implantation connection region of second conductivity type connecting the first well of second conductivity type and the second well of second conductivity type.Type: ApplicationFiled: September 6, 2024Publication date: March 13, 2025Applicant: LX SEMICON CO., LTD.Inventors: Ho Jung LEE, Jin Gon KIM, Chae Deok LEE, Chung Kwang LEE
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Patent number: 12248427Abstract: A system for transmitting data based on serial communication, which allows the number of slave apparatuses connectable to one master apparatus to be increased, includes a master apparatus configured to generate an input data packet including first data, second data, and control data, and a slave apparatus group consisting of a plurality of slave apparatuses connected in a daisy-chain manner to the master apparatus, wherein each of the slave apparatuses determines first identification information (ID) using bits included in the first data, extracts second ID from the second data, and controls a target device using the control data when the first ID and the second ID match.Type: GrantFiled: December 12, 2022Date of Patent: March 11, 2025Assignee: LX SEMICON CO., LTD.Inventors: Yun Sung Wang, Kye Young Kim
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Patent number: 12249267Abstract: A method for controlling a display apparatus, including calculating at least one of a complexity or an average picture level (APL) of the received image signal, determining a final shift time of pixels based on the at least one of the calculated complexity or APL of the image signal, and shifting the received image signal in a horizontal direction or a vertical direction and outputting the shifted image signal, based on track coordinate information stored in a memory and the determined final shift time of the pixels.Type: GrantFiled: December 7, 2023Date of Patent: March 11, 2025Assignee: LX SEMICON CO., LTD.Inventors: Hyeon Woon Shin, Jin Han Yoon, Ho Min Lim
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Publication number: 20250077470Abstract: The present invention pertains to a system for managing a reaction time of a memory, and provides a memory control system for managing a deadline for a command in real time and a display device including a memory control function. The memory control system comprises: master processors that each transmit a command and deadline information for the command; and a slave processor that receives the commands, sets a schedule as the deadline information, selects a command in an order from a fast deadline according to the schedule, and performs a process for the selected command, wherein each of the master processors provides the deadline information in which the deadline for the command is changed in response to a change in a transmission time of transmitting the command to the slave processor, and the slave processor reconfigures the schedule in response to a change in the deadline information.Type: ApplicationFiled: December 23, 2022Publication date: March 6, 2025Applicant: LX SEMICON CO., LTD.Inventor: Young Seok LEE
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Patent number: 12243469Abstract: 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.Type: GrantFiled: December 12, 2023Date of Patent: March 4, 2025Assignee: LX SEMICON CO., LTD.Inventors: Jong Suk Lee, Seok Jae Oh
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Publication number: 20250068281Abstract: The object sensing device can include a plurality of first division blocks divided along a first direction, and a sensing driving device that drives the plurality of first division blocks. The sensing driving device can provide a first driving signal to two or more first division blocks among the plurality of first division blocks and provide a second driving signal to the remaining first division blocks. The first driving signal and the second driving signal can be different.Type: ApplicationFiled: August 1, 2024Publication date: February 27, 2025Applicant: LX SEMICON CO., LTD.Inventors: Jae Hwan LEE, Jeong Kwon NAM, Yeon Ju YU, Jun Young LEE, Jin Yoon JANG
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Publication number: 20250070095Abstract: A power semiconductor module is provided. The power semiconductor module comprises a first substrate, a second substrate formed over the first substrate, a conductive member disposed between the first substrate and the second substrate, a first semiconductor device disposed between the first substrate and the conductive member, and a second semiconductor device disposed between the conductive member and the second substrate. The conductive member is electrically connected to the first power semiconductor device and the second power semiconductor device.Type: ApplicationFiled: December 6, 2023Publication date: February 27, 2025Applicant: LX SEMICON CO., LTD.Inventors: In Hwan LEE, Deog Soo KIM, Tae Ryong KIM
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Publication number: 20250071266Abstract: An mage decoding method and apparatus and an image encoding method and apparatus are discussed. The image decoding method can include deriving an intra prediction mode of a current block, deriving reference samples being left or upper reference samples for an intra prediction on the current block, and generating a predicted block by performing the intra prediction on the current block based on the intra prediction mode and the reference samples. Based on that the intra prediction mode of the current block is a DC mode and a height of the current block is equal to a width of the current block, the intra prediction of the current block is performed by using an average value of the left reference samples adjacent to a left boundary of the current block and the upper reference samples adjacent to an upper boundary of the current block.Type: ApplicationFiled: November 14, 2024Publication date: February 27, 2025Applicant: LX Semicon Co., Ltd.Inventors: Jin Ho LEE, Hyun Suk KO, Jung Won KANG, Sung Chang LIM, Ha Hyun LEE, Dong San JUN, Seung Hyun CHO, Hui Yong KIM, Jin Soo CHOI
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Publication number: 20250068279Abstract: The present embodiment relates to a touch sensing apparatus and a touch sensing method and, more specifically, to a touch sensing apparatus and a touch sensing method, which rapidly and accurately separate a multi-touch in which touch areas are adjacent to each other.Type: ApplicationFiled: November 30, 2022Publication date: February 27, 2025Applicant: LX SEMICON CO., LTD.Inventors: Nu Ri KIM, Gyu Min GIL, Young Eun LEE, Sang Min CHOI
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Publication number: 20250071256Abstract: The present invention relates to a controller of a camera module capable of simplifying a measurement system and reducing cost by having a frequency response measurement function. A controller of camera module according to an embodiment, in a driving mode, preprocesses an actuator position value signal sensed by a Hall sensor to output to a measurement equipment, a target position value, arithmetic processes a target position value, an actuator position value signal and a disturbance signal supplied from the measurement equipment to output an error value signal to the measurement equipment, and generates an actuator driving signal that compensates for the error value signal to drive an actuator.Type: ApplicationFiled: December 29, 2022Publication date: February 27, 2025Applicants: LX SEMICON CO., LTD., LG INNOTEK CO., LTD.Inventors: Kyu Ho KIM, Seung Jun CHOI, Jin Kook YUN, Young Seop MOON, Eun Mi KIM
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Publication number: 20250071268Abstract: An image decoding method and apparatus and an image encoding method and apparatus are discussed. The image decoding method can include deriving an intra prediction mode of a current block, deriving reference samples including left or upper reference samples for an intra prediction on the current block, and generating a predicted block by performing the intra prediction on the current block based on the intra prediction mode and the reference samples. Based on that the intra prediction mode of the current block is a DC mode and a height of the current block is equal to a width of the current block, the intra prediction of the current block is performed by using an average value of the left reference samples adjacent to a left boundary of the current block and the upper reference samples adjacent to an upper boundary of the current block.Type: ApplicationFiled: November 14, 2024Publication date: February 27, 2025Applicant: LX Semicon Co., Ltd.Inventors: Jin Ho LEE, Hyun Suk KO, Jung Won KANG, Sung Chang LIM, Ha Hyun LEE, Dong San JUN, Seung Hyun CHO, Hui Yong KIM, Jin Soo CHOI
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Publication number: 20250071267Abstract: An image decoding method and apparatus and an image encoding method and apparatus are discussed. The image decoding method can include deriving an intra prediction mode of a current block, deriving reference samples including left or upper reference samples for an intra prediction on the current block, and generating a predicted block by performing the intra prediction on the current block based on the intra prediction mode and the reference samples. Based on that the intra prediction mode of the current block is a DC mode and a height of the current block is equal to a width of the current block, the intra prediction of the current block is performed by using an average value of the left reference samples adjacent to a left boundary of the current block and the upper reference samples adjacent to an upper boundary of the current block.Type: ApplicationFiled: November 14, 2024Publication date: February 27, 2025Applicant: LX Semicon Co., Ltd.Inventors: Jin Ho LEE, Hyun Suk KO, Jung Won KANG, Sung Chang LIM, Ha Hyun LEE, Dong San JUN, Seung Hyun CHO, Hui Yong KIM, Jin Soo CHOI