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公开(公告)号:US11694643B2
公开(公告)日:2023-07-04
申请号:US17337330
申请日:2021-06-02
Applicant: NVIDIA Corporation
Inventor: Jens Roever , Gerrit Ary Slavenburg , Robert Jan Schutten
CPC classification number: G09G3/3426 , G06T1/20 , G06V10/507 , G09G3/2096 , G09G3/36 , G09G2320/0266 , G09G2320/0626
Abstract: In various examples, a low-latency variable backlight liquid crystal display (LCD) system is disclosed. The LCD system may reduce latency and video lag by performing an analysis of peak pixel values within subsets of pixels using a rendering device, prior to transmitting the frame to a display device for display. As a result, the display device may receive the peak pixel value data prior to or concurrently with the frame data, and may begin updating the backlight settings of the display without having to wait for a substantial portion of the frame to be received. In this way, the LCD system may avoid the full frame delay of conventional systems, allowing the LCD system to more reliably support high-performance applications such as gaming.
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公开(公告)号:US20210243101A1
公开(公告)日:2021-08-05
申请号:US16893327
申请日:2020-06-04
Applicant: NVIDIA CORPORATION
Inventor: Joohwan Kim , Benjamin Boudaoud , Josef B. Spjut , Morgan S. McGuire , Seth P. Schneider , Rouslan L. Dimitrov , Lars Nordskog , Cody J. Robson , Sau Yan Keith Li , Gerrit Ary Slavenburg , Tom J. Verbeure
Abstract: A display device for measuring the end-to-end latency of a computing system. The computing system includes an input device, a computing device, and the display device. The display device is directly connected with the input device and receives input data packets generated by the input device in response to received user input events. The display device passes the input packets to the computing device for graphics processing. The display device measures the end-to-end latency comprising the sum of three latencies. A first latency comprises an input delay of the input device. A second latency comprises an amount of time between generation of the input packet and a corresponding change in pixel values caused by the input event at the display device. A third latency comprises a display latency. The display device also displays latency information associated with the measured end-to-end latency.
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公开(公告)号:US20220392414A1
公开(公告)日:2022-12-08
申请号:US17337330
申请日:2021-06-02
Applicant: NVIDIA Corporation
Inventor: Jens Roever , Gerrit Ary Slavenburg , Robert Jan Schutten
Abstract: In various examples, a low-latency variable backlight liquid crystal display (LCD) system is disclosed. The LCD system may reduce latency and video lag by performing an analysis of peak pixel values within subsets of pixels using a rendering device, prior to transmitting the frame to a display device for display. As a result, the display device may receive the peak pixel value data prior to or concurrently with the frame data, and may begin updating the backlight settings of the display without having to wait for a substantial portion of the frame to be received. In this way, the LCD system may avoid the full frame delay of conventional systems, allowing the LCD system to more reliably support high-performance applications such as gaming.
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公开(公告)号:US11784906B2
公开(公告)日:2023-10-10
申请号:US16893327
申请日:2020-06-04
Applicant: NVIDIA CORPORATION
Inventor: Joohwan Kim , Benjamin Boudaoud , Josef B. Spjut , Morgan S. McGuire , Seth P. Schneider , Rouslan L. Dimitrov , Lars Nordskog , Cody J. Robson , Sau Yan Keith Li , Gerrit Ary Slavenburg , Tom J. Verbeure
IPC: H04L43/106 , H04L43/0852 , G06F3/14 , G09G5/14 , G06T1/20
CPC classification number: H04L43/106 , G06F3/14 , G06T1/20 , G09G5/14 , H04L43/0852 , G09G2340/0407
Abstract: A display device for measuring the end-to-end latency of a computing system. The computing system includes an input device, a computing device, and the display device. The display device is directly connected with the input device and receives input data packets generated by the input device in response to received user input events. The display device passes the input packets to the computing device for graphics processing. The display device measures the end-to-end latency comprising the sum of three latencies. A first latency comprises an input delay of the input device. A second latency comprises an amount of time between generation of the input packet and a corresponding change in pixel values caused by the input event at the display device. A third latency comprises a display latency. The display device also displays latency information associated with the measured end-to-end latency.
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公开(公告)号:US11043172B2
公开(公告)日:2021-06-22
申请号:US16268438
申请日:2019-02-05
Applicant: NVIDIA CORPORATION
Inventor: Gerrit Ary Slavenburg , Robert Jan Schutten , Jens Roever , Tom J. Verbeure
Abstract: A display controller progressively updates LEDs and LCD pixels in scanline order as portions of an image are scanned into a frame buffer. The display controller analyzes a first portion of the image that includes a first pixel value associated with a first LCD pixel. The display controller identifies a first LED that contributes luminance to the first LCD pixel and determines an LED current setting for the LED based on the first pixel value. The display controller then identifies a second LCD pixel that resides above the first LED and is associated with a second pixel value. The display controller configures the second LCD pixel based on the second pixel value and luminance contributions received at the second LCD pixel. Accordingly, the display controller need not wait for the entire image to be scanned into the frame buffer before initiating display of the image.
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公开(公告)号:US08994640B2
公开(公告)日:2015-03-31
申请号:US13828355
申请日:2013-03-14
Applicant: NVIDIA Corporation
Inventor: Gerrit Ary Slavenburg , Tom J. Verbeure , Robert Jan Schutten
CPC classification number: G09G3/36 , G06F3/147 , G09G3/3406 , G09G3/3648 , G09G5/363 , G09G2310/0237 , G09G2320/0252 , G09G2320/0261 , G09G2320/0646 , G09G2340/16
Abstract: One embodiment of the present invention sets forth a technique for reducing motion blur in a liquid crystal display (LCD) by pulsing each frame with a relatively short pulse of backlight illumination while driving pixels within the LCD with compensated intensity values to account for LCD settling time and vertical position. An LCD drive compensation unit implements the disclosed technique to generate an intensity value for each pixel that is scanned into the LCD. The technique advantageously reduces motion blur while preserving uniform vertical display accuracy.
Abstract translation: 本发明的一个实施例提出了一种用于通过以相对较短的背光照明脉冲脉冲每个帧来减少液晶显示器(LCD)中的运动模糊的技术,同时以补偿的强度值驱动LCD内的像素以解决LCD建立时间 和垂直位置。 LCD驱动器补偿单元实现所公开的技术以产生扫描到LCD中的每个像素的强度值。 该技术有利地减少运动模糊,同时保持均匀的垂直显示精度。
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