公开(公告)号：US11994920B2

公开(公告)日：2024-05-28

申请号：US18202877

申请日：2023-05-26

Applicant: Google LLC

Inventor： Sun-il Chang ,  Sangmoo Choi

IPC: G06F1/16 ,  H10K59/00

CPC classification number: G06F1/1686 ,  G06F1/1688 ,  H10K59/00

Abstract: A device includes: an array of light emitting elements extending in a first plane, each light emitting element being arranged to emit light; an array of pixel driver elements extending in a second plane beneath the array of pixels, in which each pixel driver element is configured to drive a corresponding light emitting element of the array of light emitting elements; a hole positioned within the array of light emitting elements and the array of pixel driver elements, in which the hole extends from the first plane through the second plane, a first multiple of light emitting elements from the array of light emitting elements in a first region adjacent the hole are arranged to provide a first resolution, and a second multiple of light emitting elements from the array of elements in a second region away from the hole are arranged to provide a second resolution.

公开(公告)号：US11893933B2

公开(公告)日：2024-02-06

申请号：US16967222

申请日：2020-01-24

Applicant: Google LLC

Inventor： Sun-il Chang ,  Hyunchul Kim

IPC: G09G3/3233

CPC classification number: G09G3/3233 ,  G09G2320/0295 ,  G09G2320/045 ,  G09G2320/046 ,  G09G2330/10 ,  G09G2360/147 ,  G09G2360/16

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for compensating an image to be shown on a display including an array of light-emitting pixels and a sensor arranged to receive light transmitted by adjacent light-emitting pixels. A method includes collecting, from the sensor, a luminance of light received by the sensor during an emission-on period, and a luminance of light received by the sensor during an emission-off period. The method includes calculating, by comparing the luminance during the emission-on period to the luminance during the emission-off period, a luminance of light internally reflected from the adjacent pixels and received by the sensor during the emission-on period. The method includes determining that an error between the luminance of light internally reflected and a reference luminance equals or exceeds a threshold error, and adjusting a driving voltage for driving the pixels to reduce the error.

公开(公告)号：US11770962B2

公开(公告)日：2023-09-26

申请号：US17446554

申请日：2021-08-31

Applicant: GOOGLE LLC

Inventor： Sangmoo Choi ,  Sun-il Chang ,  Jyothi Karri ,  Ion Bita

IPC: H10K59/40 ,  G06F3/041 ,  G09G3/3225 ,  H04M1/02 ,  H10K59/12

CPC classification number: H10K59/40 ,  G06F3/0412 ,  G09G3/3225 ,  H04M1/0266 ,  H10K59/12 ,  G09G2360/14 ,  H04M1/0264

Abstract: A display configuration to extend the light emitting and touch sensitive portion of a display panel into areas normally reserved for other light devices is disclosed. In the configuration, light devices and the display panel are configured to operate together. The display panel may include an aperture through the display panel to provide an unobstructed light path to a light device. The display panel may also include a routing area to provide space for data lines feeding pixels to be rerouted around the aperture. The routing area is partially obstructed by data lines but otherwise transparent. Accordingly, some display devices may be positioned behind the routing area and still operate.

公开(公告)号：US20220415256A1

公开(公告)日：2022-12-29

申请号：US17756319

申请日：2020-07-10

Applicant: Google LLC

Inventor： Ji Hoon Lee ,  Sun-il Chang ,  Sang Young Youn

IPC: G09G3/3233 ,  G09G3/3258

Abstract: An example method includes estimating, based on content to be displayed at a display of a mobile computing device at a future time, an amount of power to be used by the display at the future time; selecting, based on the estimated power level, a power converter of a plurality of power converters of the mobile computing device, each of the plurality of power converters optimized for a different output power range; and causing electrical power from the selected power converter to be supplied to the display at the future time.

公开(公告)号：US20220262302A1

公开(公告)日：2022-08-18

申请号：US17626844

申请日：2019-11-08

Applicant: GOOGLE LLC

Inventor： Sun-il Chang ,  Sangmoo Choi

IPC: G09G3/32

Abstract: Methods, systems, and apparatus, including computer programs encoded on computer-storage media, for a display with discrete gate-in-panel circuitry. In some implementations, a display includes an array of emissive pixels arranged in rows and columns, where the array includes a first continuous area having a first pixel density and a second continuous area having a second pixel density less than the first pixel density, and consecutive rows of the emissive pixels extending between the first and second continuous areas. The display also includes gate in panel (GIP) circuits in the second continuous area, a data lines connected to the array of emissive pixels, and signal lines connected to the array of emissive pixels.

公开(公告)号：US20210142721A1

公开(公告)日：2021-05-13

申请号：US17150518

申请日：2021-01-15

Applicant: Google LLC

Inventor： Hyunchul Kim ,  Sun-il Chang

IPC: G09G3/3208

Abstract: A method includes displaying an image on an organic light-emitting (OLED) display panel that includes a first display area having a first pixel density and a second display area having a second pixel density lower than the first pixel density, and while displaying the image, deactivating individual pixels in the first display area corresponding to a proximity of the individual pixels to the second display area such that a region of the first display area adjacent the second display area has a virtual pixel density between the first pixel density and the second pixel density.

公开(公告)号：US12051353B2

公开(公告)日：2024-07-30

申请号：US17774386

申请日：2019-12-05

Applicant: Google LLC

Inventor： Hyunchul Kim ,  Wonjae Choi ,  Sun-il Chang

IPC: G09G3/20

CPC classification number: G09G3/2003 ,  G09G2320/0242 ,  G09G2320/0686 ,  G09G2340/06

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for dual color management for a multi-pixel density display. In one aspect, the method includes obtaining an image to be shown on a display, where the display includes both a first area that has a first pixel density and a second area that has a second pixel density that is less than the first pixel density, determining that a pixel with an initial value in the image will be displayed in the first area of the display (120), in response to determining that a pixel with the initial value in the image will be displayed in the first area of the display, determining a remapped value for the pixel in the image based on the initial value and a lookup table for the first area (130), and providing the remapped value for output on the display (150).

公开(公告)号：US11929018B2

公开(公告)日：2024-03-12

申请号：US17291807

申请日：2020-05-19

Applicant: GOOGLE LLC

Inventor： Sang Young Youn ,  Sun-il Chang ,  Wonjae Choi ,  Hyunchul Kim

IPC: G09G3/3208 ,  G09G3/34

CPC classification number: G09G3/3208 ,  G09G3/3406 ,  G09G2310/08 ,  G09G2320/0247 ,  G09G2320/064 ,  G09G2320/10

Abstract: A frame generation subsystem renders a sequence of frames and a display control subsystem provides a brightness control signal configured to control a brightness of frames displayed at a display panel via pulse width modulation (PWM) of the brightness control signal and determines a deviation in a duty cycle of a first PWM period of the brightness control signal from a default duty cycle resulting from a delayed rendering of a frame. The display control subsystem adjusts a duty cycle of at least a second PWM period to compensate for the deviation in the duty cycle of the first PWM period. The resulting average duty cycle of the brightness control signal over the two frame periods is approximately equal to a default duty cycle and thereby mitigates viewable flicker resulting from the duty cycle change caused by the delayed rendering.

公开(公告)号：US20230341908A1

公开(公告)日：2023-10-26

申请号：US18202877

申请日：2023-05-26

Applicant: Google LLC

Inventor： Sun-il Chang ,  Sangmoo Choi

IPC: G06F1/16

CPC classification number: G06F1/1686 ,  G06F1/1688 ,  H10K59/00

Abstract: A device includes: an array of light emitting elements extending in a first plane, each light emitting element being arranged to emit light; an array of pixel driver elements extending in a second plane beneath the array of pixels, in which each pixel driver element is configured to drive a corresponding light emitting element of the array of light emitting elements; a hole positioned within the array of light emitting elements and the array of pixel driver elements, in which the hole extends from the first plane through the second plane, a first multiple of light emitting elements from the array of light emitting elements in a first region adjacent the hole are arranged to provide a first resolution, and a second multiple of light emitting elements from the array of elements in a second region away from the hole are arranged to provide a second resolution.

公开(公告)号：US20230196524A1

公开(公告)日：2023-06-22

申请号：US17051822

申请日：2019-12-04

Applicant: Google LLC

Inventor： Hyunchul Kim ,  Wonjae Choi ,  Sang Young Youn ,  Sun-il Chang

IPC: G06T5/00

CPC classification number: G06T5/009 ,  G06T2207/20208

Abstract: Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for remapping for mixed dynamic range content. In one aspect, a method for remapping for mixed dynamic range content, the method includes obtaining an image to be displayed that includes both first dynamic range content and second dynamic range content, determining that the image includes first dynamic range content at a first pixel, determining a first remapped value for the first pixel based on a lookup table for first dynamic range content and an initial value for the first pixel, providing the first remapped value for the first pixel for display, determining that the image includes second dynamic range content at a second pixel, determining a second remapped value for the second pixel based on a second initial value for the second pixel, and providing the second remapped value for the second pixel for display.