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1.发明公开公开(公告)号：US20230199246A1
公开(公告)日：2023-06-22
申请号：US17925201
申请日：2021-05-14
Applicant: LG ELECTRONICS INC.
Inventor： Dokyun KIM , Kyeongryeol PARK , Seunghyun YOO , Yoonjong LEE
IPC: H04N21/4363 , G06T5/00 , G06T7/90 , G06V10/60 , H04N23/741
CPC classification number: H04N21/43635 , G06T5/009 , G06T7/90 , G06V10/60 , H04N23/741 , G06T2207/10024 , G06T2207/20208
Abstract: The present disclosure provides a method for transmitting video data by a source device, by using a high definition media interface (HDMI). In particular, the method comprises the steps of: receiving, from a sink device, capability information about whether reference display model (RDM)-based image processing of the sink device is supported; performing the RDM-based image processing on a plurality of pieces of video data, on the basis of the received capability information; and transmitting, to the sink device, (i) the plurality of pieces of video data on which the RDM-based image processing is performed and (ii) image processing information about a result of the RDM-based image processing, wherein the RDM-based image processing is (i) performed on the basis of a value of a feature of one piece of video data among the plurality of pieces of video data or (ii) performed on the basis of one feature value among feature values related to a separately set feature aside from values of features of the plurality of pieces of video data.
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公开(公告)号：US20250030910A1
公开(公告)日：2025-01-23
申请号：US18355175
申请日：2023-07-19
Applicant: LG ELECTRONICS INC.
Inventor： Seunghyun YOO , Dokyun KIM
IPC: H04N21/43
Abstract: According to the present disclosure, a method performed by a source device is provided. The method comprises: receiving, from a sink device, a Hot Plug Detection (HPD); receiving, from the sink device, an Extended Display Identification Data (EDID) and DisplayID; receiving, from the sink device, a first DisplayPort Configuration Data (DPCD) including first 1-bit information related to whether or not Adaptive-Sync 2.x is supported; transmitting, to the sink device, a second DPCD including second 1-bit information indicating that the Adaptive-Sync operation operates based on the DID2.x Adaptive-Sync Data Block; and transmitting, to the sink device, Video stream data and Adaptive Sync Secondary Data Packet (SDP).
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公开(公告)号：US20180007427A1
公开(公告)日：2018-01-04
申请号：US15532753
申请日：2015-12-04
Applicant: LG ELECTRONICS INC.
Inventor： Jangwoong PARK , Dokyun KIM , Hyeonjae LEE , Jinkwon LIM , Hyunsik YANG
IPC: H04N21/4363 , H04N21/64 , H04N21/422 , H04N21/435 , H04N21/858 , H04N21/643
CPC classification number: H04N21/43635 , G09G5/006 , G09G2370/047 , G09G2370/06 , G09G2370/10 , G09G2370/12 , G09G2370/20 , H04N21/422 , H04N21/435 , H04N21/436 , H04N21/64 , H04N21/64322 , H04N21/8586
Abstract: A data transmission and reception method for a sink device which is connected to a plurality of source devices by means of a high definition multimedia interface (HDMI), according to an embodiment of the present invention, comprises the steps of: receiving an allocation of an internet protocol (IP) address; transmitting device information about a sink device to a control point through a network; and transmitting service information about a supportable service by the sink device to the control point through the network.
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公开(公告)号：US20170134799A1
公开(公告)日：2017-05-11
申请号：US15317871
申请日：2015-06-12
Applicant: LG ELECTRONICS INC.
Inventor： Jangwoong PARK , Hyeonjae LEE , Dokyun KIM , Jinkwon LIM , Hyunsik YANG
IPC: H04N21/443 , H04N21/4363 , H04N21/439
CPC classification number: H04N21/443 , H04N21/436 , H04N21/43635 , H04N21/439 , H04N21/4516
Abstract: A method for processing data by a source device which transmits an object-based audio (OBA) using a high definition media interface (HDMI), includes when a sink device is connected, requesting the sink device to read an enhanced extended display identification data (E-EDID), receiving an E-EDID including OBA-processing information of the sink device from the sink device, the OBA processing information including at least one of capability information indicating capability of processing the OBA and property information required for processing the OBA, and determining whether the sink device is capable of processing the OBA based on the OBA processing information.
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公开(公告)号：US20250046272A1
公开(公告)日：2025-02-06
申请号：US18719778
申请日：2022-12-14
Applicant: LG ELECTRONICS INC.
Inventor： Dokyun KIM , Seunghyun YOO
Abstract: The present disclosure provides a method and a device for accurately determining a driving level of overdrive by accurately determining a reference luminance for measuring an overshoot degree of a display device. The present disclosure provides a device and a method for accurately determining the driving level of the overdrive by accurately determining the reference luminance using only a rise slope before overshoot occurs and an overshoot slope purely contributed by the overshoot when measuring the overshoot degree.
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Patent Agency Ranking
公开(公告)号：US20170116138A1
公开(公告)日：2017-04-27
申请号：US15317902
申请日：2015-06-12
Applicant: LG ELECTRONICS INC.
Inventor： Hyunsik YANG , Hyeonjae LEE , Jangwoong PARK , Dokyun KIM , Jinkwon LIM
CPC classification number: G06F13/102 , G06F13/4282 , H04L67/025
Abstract: A method and device for transmitting and receiving data using HDMI (High-Definition Multimedia Interface) are disclosed. The method, if performed by a source device, includes: receiving a request from a sink device to transmit data processing capability information indicating whether the source device is capable of processing user-input data or not; transmitting the data processing capability information to the sink device; and receiving the user-input data from the sink device.
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公开(公告)号：US20160345055A1
公开(公告)日：2016-11-24
申请号：US15157974
申请日：2016-05-18
Applicant: LG ELECTRONICS INC.
Inventor： Dokyun KIM
CPC classification number: H04N21/43635 , G06F13/102 , G06F13/4081 , G06F13/42 , H04N5/38 , H04N5/44 , H04N5/765 , Y02D10/14 , Y02D10/151
Abstract: A method for switching mode of a source device that uses a High Definition Multimedia Interface (HDMI) according to an embodiment of the present invention may include connecting to a sink device through the HDMI; transmitting +5V signal to the sink device; receiving a Hot Plug Detect (HPD) signal from the sink device; receiving EDID information including a first Sideband mode support information representing that the sink device supports a Sideband mode through a Display Data Channel (DDC) channel that operates in a DDC mode; transmitting a second Sideband mode support information representing that the source device supports a Sideband mode to the sink device; receiving instruction to perform an operation mode switching of the DDC channel from the sink device; and switching the operation mode of the DDC channel from the DDC mode to the Sideband mode.
Abstract translation: 根据本发明的实施例的使用高清晰度多媒体接口（HDMI）的源设备的切换模式的方法可以包括通过HDMI连接到宿设备; 向信宿设备发送+ 5V信号; 从宿设备接收热插拔检测（HPD）信号; 接收包括第一边带模式支持信息的EDID信息，所述第一边带模式支持信息表示所述宿设备通过以DDC模式操作的显示数据信道（DDC）信道来支持边带模式; 向所述宿设备发送表示所述源设备支持边带模式的第二边带模式支持信息; 接收从宿设备执行DDC信道的操作模式切换的指令; 并将DDC信道的工作模式从DDC模式切换到边带模式。
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公开(公告)号：US20240259523A1
公开(公告)日：2024-08-01
申请号：US18290525
申请日：2022-05-20
Applicant: LG ELECTRONICS INC.
Inventor： Dokyun KIM , Seunghyun YOO , Yoonjong LEE
CPC classification number: H04N7/025 , H04N7/0125
Abstract: The present specification proposes a method for a source device receiving capability information of a sink device. More specifically, the method comprises the steps of: transmitting, to a sink device, a message requesting for the reading of capability information of the sink device; receiving, from the sink device, first capability information of the sink device; on the basis of a capability information version of the sink device which is readable by a source device, carrying out a version change procedure for changing the capability information version of the sink device; and, on the basis of the version change procedure, receiving second capability information of the sink device, wherein the version of the second capability information is a higher than the version of the first capability information.
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公开(公告)号：US20170238050A1
公开(公告)日：2017-08-17
申请号：US15518693
申请日：2015-10-13
Applicant: LG ELECTRONICS INC.
Inventor： Hyunsik YANG , Dokyun KIM , Hyeonjae LEE , Jangwoong PARK , Jinkwon LIM
IPC: H04N21/439 , H04N21/437 , H04N21/435 , H04N21/4363 , H04N21/61
CPC classification number: H04N21/4396 , H04N21/435 , H04N21/436 , H04N21/43635 , H04N21/437 , H04N21/615
Abstract: A method for transmitting and receiving data using a High Definition Multimedia Interface (HDMI) performed by a source device according to an embodiment of the present invention may include connecting to a sink device through the HDMI; receiving Extended Display Identification Data (EDID) information from the sink device; parsing the received EDID information, and determining an operating parameter; and transmitting a message instructing to execute a video mute function to the sink device.
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公开(公告)号：US20170132749A1
公开(公告)日：2017-05-11
申请号：US15318272
申请日：2015-06-11
Applicant: LG ELECTRONICS INC.
Inventor： Jinkwon LIM , Jangwoong PARK , Dokyun KIM , Hyeonjae LEE , Hyunsik YANG
CPC classification number: G06T1/20 , G06F13/4068 , G09G5/006 , H04L65/80 , H04N21/242 , H04N21/254 , H04N21/436
Abstract: According to an aspect of the present invention, a method for transmitting and receiving data performed by a source device may include transmitting a readout request for Extended Display Identification Data (EDID) information to a sink device; receiving the EDID information from the sink device; and determining a video timing block based on the EDID information, where the EDID information may include: a Base EDID block including basic resolution information; and a Display Identification Data (DisplayID) structure including at least one of the video timing block including high resolution information and priority information of at least one of the video timing block.
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