LED array driving method, display array driving device and terminal equipment

A LED array and display array technology, applied in static indicators, instruments, etc., can solve the problem of low gray scale accuracy, achieve the effects of improving gray scale accuracy, ensuring power supply response frequency, and overcoming slow system response time

Active Publication Date: 2021-07-16
TCL CORPORATION
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In view of this, the embodiment of the present application provides an LED array driving method, a display array driving device and a terminal device, so as to solve the problem of low grayscale accuracy of the existing LED array driving

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  • LED array driving method, display array driving device and terminal equipment
  • LED array driving method, display array driving device and terminal equipment
  • LED array driving method, display array driving device and terminal equipment

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Embodiment Construction

[0036] In the following description, specific details such as a specific system structure and technology are presented for the purpose of illustration rather than limitation, so as to thoroughly understand the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments without these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.

[0037] It should be understood that when used in this specification and the appended claims, the term "comprising" indicates the presence of described features, integers, steps, operations, elements and / or components, but does not exclude one or more other features. , whole, step, operation, element, component and / or the presence or addition of a collection thereof.

[0038] It shoul...

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Abstract

The invention is suitable for the technical field of LED driving, and provides an LED array driving method, a display array driving device and terminal equipment, and the LED array driving method comprises the steps: inputting a line scanning signal and a column data signal to an LED array for addressing; if the number of times of current continuous addressing reaches a threshold value, stopping the addressing, and inputting a working voltage to the LED array to lighten the LED array; when the duration of inputting the working voltage to the LED array reaches the sum of the lightening durations corresponding to continuous addressing, stopping inputting the working voltage to the LED array. According to the embodiment of the invention, the addressing operation is carried out on at least one sub-field, the backlight is not lightened in the addressing time of each sub-field, and the backlight is lightened only in the non-addressing time of each sub-field, so that enough time is provided for addressing the whole array, the backlight can be lightened normally, and the modulation efficiency is improved.

Description

technical field [0001] The application belongs to the technical field of LED driving, and in particular relates to an LED array driving method, a display array driving device and terminal equipment. Background technique [0002] The display object in the display system is usually a display array. The display array is composed of multiple display sub-arrays. Each display sub-array is composed of a large number of display modules. Each display module includes LEDs and their control circuits. In the existing control method of the display system, if there is not enough time to address the entire array, the control logic will be wrong, which will affect the subsequent lighting process, resulting in low gray scale accuracy. Contents of the invention [0003] In view of this, the embodiments of the present application provide an LED array driving method, a display array driving device, and a terminal device, so as to solve the problem of low grayscale accuracy of the existing LED...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G09G3/32
CPCG09G3/32
Inventor 林智远颜青青谢相伟蔡胜强
Owner TCL CORPORATION
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