Display device control method and display device
The technology of a display device and a control method, which is applied in the electronic field, can solve problems such as potential safety hazards of display devices and damage to user display screens, and achieve the effect of reducing potential safety hazards
Active Publication Date: 2021-07-23
HISENSE VISUAL TECH CO LTD
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Problems solved by technology
However, the prior art does not disclose how to provide power to the display device through the connecting wire in the split display device, and because the host provides power with a lower voltage to the load such as the processor in the display screen through the connecting wire The signal must also be provided with a higher voltage electrical signal to the backlight module in the display screen through the connecting wire. This part of the higher voltage electrical signal will be given to the user when the connecting wire is disconnected or the main board of the display screen is not started. And the damage to the display screen makes the display device have certain safety hazards
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[0034] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0035] This application is mainly aimed at a display device with a rotatable display screen, and the structure, function and implementation of the display device will be described in detail below.
[0036] Currently, some split-type display devices have become a new form, for example: split TV. The split-type display device can separate the display screen from the main body of the display device and set it as a separate structure, that is to say, the split-typ...
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The present invention provides a display device control method and a display device, in the startup process, the power circuit in the host unit firstly provides the second electric signal with the small voltage for the display screen through the connecting line, and after it is confirmed that the host unit and the display screen are really connected through the connecting line, the power supply circuit is controlled to provide a first electric signal with relatively high voltage to the display screen through the connecting wire. According to the display screen control method and the display device provided by the invention, the loss of the display screen and a user caused by the second electric signal with relatively high voltage transmitted in the connecting line under abnormal conditions such as disconnection of the connecting line can be prevented, and the potential safety hazard of the display device is reduced.
Description
[0001] This application claims the priority of a Chinese patent application with application number 2020100747123 and application title "display device" filed with the China Patent Office on January 22, 2020, the entire contents of which are incorporated herein by reference. technical field [0002] The invention relates to electronic technology, in particular to a display device control method and a display device. Background technique [0003] With the continuous development of electronic technology, manufacturers of display devices such as TVs have proposed split-type design ideas. Taking split-type TVs as an example, split-type TVs separate the display screen from the main body of the TV as a separate According to the structural setting, some individually set display screens can also be rotated by motors. Therefore, by adopting the split structure, the display screen can be made lighter and thinner without being limited by the display device, and the space occupied by th...
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IPC IPC(8): H04N21/41H04N21/431H04N21/443
CPCH04N21/41H04N21/42221H04N21/4222H04N21/42204F16M11/06H04N21/4122
Inventor 庞震华张洪浩孙学斌
Owner HISENSE VISUAL TECH CO LTD