Kunshan Go-Visionox Opto-Electronics Co., Ltd.

Kunshan New Flat Panel Display Technology Center Co., Ltd.

Feng Chen

Junhui Lou

Xiaoyu Gao

Lu Zhang

Yuqing Wang

Yong Zhu

The present application discloses a brightness compensation method, compensation apparatus, and compensation device of display panel, where the display panel includes a first active area and a second active area. The brightness compensation method includes: obtaining actual brightness values of sub-pixels in a preset region of the display panel at a preset grayscale value, and generating an average brightness value; determining a target brightness value of the display panel at the preset grayscale value based on the average brightness value; determining compensation coefficients and compensation values of at least some of sub-pixels in the second active area based on the target brightness value, and the actual brightness values of the sub-pixels in the second active area, and performing brightness compensation on the sub-pixel of the second active area based on a product of the compensation coefficient and the compensation value.

Method, apparatus and device for brightness compensation of display panel

A display panel and a display apparatus. The display panel includes: a substrate; a light-emitting unit on the substrate; an encapsulation layer on a side of the light-emitting unit away from the substrate, where the encapsulation layer includes a first inorganic film layer, a first auxiliary film layer and an organic film layer that are stacked on the light-emitting unit, an absolute value of a difference between a refractive index of the first inorganic film layer and a refractive index of the first auxiliary film layer is less than or equal to 0.05, and an extinction coefficient of the first auxiliary film layer for visible light is less than an extinction coefficient of the first inorganic film layer for visible light.

Method and apparatus for determining compensation parameter of display panel

The present application discloses a display panel and a display apparatus, where the display panel has a first display area and a second display area, and a boundary is provided between the first display area and the second display area, and the display panel comprises: a pixel unit layer comprising a first pixel group positioned in a first display area, a second pixel group positioned in a second display area and a third pixel group positioned in at least one of the first display area and the second display area and adjacent to a boundary, wherein the first pixel group comprises a plurality of first pixel units, and the first pixel unit comprises a first sub-pixel and a first virtual sub-pixel; the third pixel group comprises two third pixel units which correspond to one first pixel unit.

Display panel and display apparatus

A method for configuring a compensation look-up table. The method includes: acquiring first gray scale data and second gray scale data of a target display panel, wherein the first gray scale data and the second gray scale data include a display gray scale value of a target gray scale of each pixel point of the target display panel at a first brightness and at a second brightness respectively; determining, according to an adjustable threshold range and at least one of the first gray scale data and the second gray scale data, Mura pixel points in the target display panel; calculating, based on the first gray scale data and the second gray scale data corresponding to the Mura pixel points, a target compensation gain coefficient; determining, from a plurality of preset compensation look-up tables corresponding to a plurality of Mura levels, a target compensation look-up table.

Method for configuring compensation look-up table, method for compensating display panel, apparatus for configuring compensation look-up table

A method, device, and apparatus for determining a brightness compensation parameter. The method includes: obtaining, at any grayscale, a plurality of first acquired brightness values of a plurality of first sub-pixels of a target color in the first display region and a plurality of second acquired brightness values of a plurality of second sub-pixels of the target color in the second display region of the display panel to be compensated; determining whether an acquisition ratio of an average value of the plurality of first acquired brightness values to an average value of the plurality of second acquired brightness values is within a standard range; correcting the plurality of first acquired brightness values or the plurality of second acquired brightness values to obtain a corrected brightness value of the display panel; determining the brightness compensation parameter of the display panel based on the corrected brightness value.

Method, device and apparatus for determining brightness compensation parameter

A brightness parameter correction method and device and a brightness compensation system. The method includes: obtaining a first to-be-tested brightness parameter of a designated sample display panel at a first gray level; obtaining a first deviation parameter between the first to-be-tested brightness parameter and a reference brightness; calculating a correction coefficient based on the first to-be-tested brightness parameter and the reference brightness parameter when the first deviation parameter is greater than a first preset standard threshold, the correction coefficient being such that a corrected first deviation parameter between a corrected first to-be-tested brightness parameter and the reference brightness parameter is less than or equal to the first preset standard threshold; obtaining a second to-be-tested brightness parameter of a target display panel at the first gray level; and correcting the second to-be-tested brightness parameter using the correction coefficient to obtain a corrected second to-be-tested brightness parameter.

Brightness parameter correction method and device and brightness compensation system

The present application discloses a method, device, and apparatus for brightness compensation of a display panel. The display panel has a first display region and a second display region. The method includes selecting at least one first region in the second display region close to the first display region; obtaining current brightness values of sub-pixels in the at least one first region under a target grayscale value; determining an average brightness value of the at least one first region based on the current brightness values of the sub-pixels in the at least one first region; determining a target brightness value of the first display region under the target grayscale value according to the average brightness value; performing brightness compensation on the first display region based on the target brightness value.

Method, device and apparatus for brightness compensation of display panel

The present application relates to the field of display technology, and discloses a display module test platform, including a core processor. The core processor is capable of supporting installation of a terminal operating system. A display output terminal of the core processor is connected to a display module to be tested. The display module to be tested includes a touch structure. The touch structure and the core processor communicate with each other via an Inter-Integrated Circuit (I2C) bus.

Display module test platform

The present disclosure relates to a method acquiring and transmitting compensation data and an intelligent terminal. The method for acquiring and transmitting the compensation data includes: respectively encoding a screen body module and compensation data to obtain a first identifier corresponding to the screen body module and a second identifier corresponding to the compensation data, and the second identifier corresponding to the first identifier; identifying the first identifier of the screen body module; acquiring the compensation data that has the corresponding second identifier according to the first identifier; storing the compensation data in a data driving circuit.

Method for acquiring and transmitting compensation data, and intelligent terminal

A gamma adjustment method and an adjustment device for a display panel. The gamma adjustment method describes that if the absolute value of the gamma voltage corresponding to the current grayscale binding point is smaller than the absolute value of the gamma voltage corresponding to the previous grayscale binding point, obtaining absolute values of gamma voltages corresponding to at least two grayscale binding points located previous to the current grayscale binding point. Obtaining a first relationship curve by fitting the respective grayscales corresponding to the at least two grayscale binding points and the absolute values of the gamma voltages corresponding to the at least two grayscale binding points, and adjusting the gamma voltage corresponding to the current grayscale binding point to locate the absolute value of the adjusted gamma voltage corresponding to the current grayscale binding point on the first relationship curve.

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Kunshan, China

Feng Chen