CN217061294U

CN217061294U - double-LED backlight module of vehicle-mounted display device and display device

Info

Publication number: CN217061294U
Application number: CN202123154555.6U
Authority: CN
Inventors: 戴佳民
Original assignee: Truly Semiconductors Ltd
Current assignee: Truly Semiconductors Ltd
Priority date: 2021-12-14
Filing date: 2021-12-14
Publication date: 2022-07-26
Anticipated expiration: 2031-12-14

Abstract

The embodiment of the utility model discloses on-vehicle display device's two LED backlight unit, include: a plurality of LED light-emitting components are arranged at the edge of one side of the LED backlight module; the LED light-emitting component comprises two power LED light-emitting components; the LED light-emitting components with two powers comprise a medium-power LED component and a low-power LED component. The embodiment of the utility model provides a still provide a vehicle-mounted display device, through the combination that changes the LED light emitting component of original single power into well power LED subassembly and low-power LED subassembly, realized adjusting luminous power according to actual need, avoided the waste of electric power resource.

Description

double-LED backlight module of vehicle-mounted display device and display device

Technical Field

The utility model relates to a show technical field, especially relate to a vehicle-mounted display device's two LED backlight unit and display device.

Background

At present, with the development of new energy vehicles, the applications of vehicle-mounted displays are increasing and the sizes of the vehicle-mounted displays are increasing, so that the power consumption is increasing continuously, how to reduce the power consumption of the vehicle-mounted displays to improve the endurance time of the vehicles becomes a new index concerned by many manufacturers and consumers.

However, the conventional vehicle-mounted display mostly adopts the display brightness of a single medium-power LED assembly (as shown in fig. 1), and cannot adjust the brightness, thereby causing unnecessary waste of power resources.

Disclosure of Invention

In order to solve the technical problem at least, the utility model provides an aim at provides a vehicle-mounted display device's two LED backlight unit, through the LED light emitting component with original single power change the combination of well power LED subassembly and low-power LED subassembly, has realized adjusting luminous power according to actual need, has avoided the waste of electric power resource.

In order to achieve the above object, an embodiment of the utility model provides an on-vehicle display device's two LED backlight unit, include:

a plurality of LED light-emitting components are arranged at the edge of one side of the LED backlight module; the LED light-emitting component comprises two power LED light-emitting components; the LED light-emitting components with two powers comprise a medium-power LED component and a low-power LED component.

In an exemplary embodiment, the medium power LED assemblies and the low power LED assemblies are alternately arranged.

In an exemplary embodiment, the LED backlight module further includes: a plurality of operating modes.

In an exemplary embodiment, the plurality of operating modes includes: normal mode, power saving mode, super power saving mode bright mode, and highlight mode.

In an exemplary embodiment, in the normal mode, the medium power LED assembly is operated alone.

In an exemplary embodiment, the low power LED assembly operates alone in the power saving mode.

In an exemplary embodiment, the low power LED assembly operates alone and reduces the operating current during the super power saving mode.

In an exemplary embodiment, the medium power LED assembly and the low power LED assembly operate simultaneously during the bright mode.

In an exemplary embodiment, in the highlight mode, the middle power LED assembly and the low power LED assembly are simultaneously operated, and the middle power LED assembly and the low power LED assembly simultaneously increase the operation current.

In order to achieve the above object, the embodiment of the present invention further provides a vehicle-mounted display device, which includes the above dual LED backlight module.

The utility model discloses on-vehicle display device's two LED backlight unit, include: a plurality of LED light-emitting components are arranged at the edge of one side of the LED backlight module; the LED light-emitting component comprises two power LED light-emitting components; the LED light-emitting components with two powers comprise a medium-power LED component and a low-power LED component. The original LED light-emitting component with single power is changed into the combination of the middle-power LED component and the low-power LED component, so that the light-emitting power can be adjusted according to actual needs, and the waste of power resources is avoided; and the electric power endurance of the terminal product is further improved, so that the competitiveness of the terminal product is improved.

Drawings

FIG. 1 is a schematic diagram of a prior art LED backlight module of a vehicle-mounted display device;

fig. 2 is a schematic structural diagram of a dual LED backlight module of an on-vehicle display device according to an embodiment of the present invention.

Description of reference numerals:

101/201-middle power LED assembly; 202-low power LED assembly.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

The embodiment of the utility model provides a vehicle-mounted display device's two LED backlight unit, include:

Example 1

Fig. 2 is a schematic structural diagram of a dual LED backlight module of a vehicle-mounted display device according to an embodiment of the present invention, and fig. 2 will be combined below to describe in detail the dual LED backlight modules of the vehicle-mounted display device according to an embodiment of the present invention.

The embodiment of the utility model provides an in-vehicle display device's two LED backlight unit, include: a medium power LED assembly 201 and a low power LED assembly 202.

In some exemplary embodiments, the LED is a Light Emitting Diode, which is commonly referred to as a Light Emitting Diode.

In some exemplary embodiments, in view of the principle of light emission, since the LED is made of several thin layers of doped semiconductor materials, one layer carries excess electrons and the other layer lacks electrons to form positively charged "holes", when the current passes through during operation, the electrons and holes combine with each other, and the excess energy is released in the form of light radiation, the LED realizes the electro-optical conversion according to the principle, and the LED can emit light rays with different colors in different spectrums from ultraviolet to infrared according to the difference of physical properties of the semiconductor materials.

In some exemplary embodiments, LEDs as backlights have the advantage of replacing colorfilters. The three-color RGBLED adopts a color sequence method (colorsequential) technology, and utilizes the characteristic of human visual persistence to achieve full-color effect, so that the three-color RGBLED can replace a color filter.

In some exemplary embodiments, because of the planar light source characteristics of the LEDs, the LED backlight can also implement a color and chromaticity adjusting function of a sub-region beyond the CCFL, so as to implement more accurate color rendition to meet the requirements of planar publishing and graphic design work, and the dynamic adjustment of the picture can dynamically correct the brightness and contrast when displaying different pictures, so as to achieve better picture quality.

In some exemplary embodiments, the medium power LED assembly 201 and the low power LED assembly 202 in the embodiments of the present invention include an alternating arrangement.

In some exemplary embodiments, the alternating arrangement includes an arrangement of one low power LED assembly 202 spaced between every two medium power LED assemblies 201, and an arrangement of one medium power LED assembly 201 spaced between every two low power LED assemblies 202.

In some exemplary embodiments, the medium power LED assembly 201 and the low power LED assembly 202 comprise a rectangular, circular, or any designer desired shape.

In some exemplary embodiments, the LED backlight module further includes: a plurality of operating modes.

In some exemplary embodiments, the plurality of operating modes includes: normal mode, power saving mode, super power saving mode bright mode, and highlight mode.

In some exemplary embodiments, in normal mode, the medium power LED assembly 201 operates alone.

In some exemplary embodiments, the low power LED assembly 202 operates alone in the power saving mode.

In some exemplary embodiments, in the super power saving mode, the low power LED assembly 202 operates alone and the low power LED assembly 202 reduces the operating current.

In some exemplary embodiments, the above-described reduction of the operating current of the low power LED assembly 202 allows the low power LED assembly 202 to still be powered on and operate and to be guaranteed to be within the rated operating current range.

In some exemplary embodiments, the medium power LED assembly 201 and the low power LED assembly 202 operate simultaneously during the bright mode.

In some exemplary embodiments, in the highlight mode, the medium power LED assembly 201 and the low power LED assembly 202 operate simultaneously, and the medium power LED assembly 201 and the low power LED assembly 202 increase the operating current simultaneously.

In some exemplary embodiments, the operating current of the middle-power LED assembly 201 and the operating current of the low-power LED assembly 202 are increased at the same time, and the increased operating currents still ensure that the middle-power LED assembly 201 and the low-power LED assembly 202 can operate normally, and ensure that the increased operating currents are within the rated operating current range of the corresponding LED assemblies.

In some exemplary embodiments, the medium power LED assembly 201 and the low power LED assembly 202 may be separately powered; and the combined power supply can also be realized according to actual needs.

In some exemplary embodiments, the medium power LED assembly 201 includes an LED assembly of not less than 50 mA.

In some exemplary embodiments, the medium power LED assembly 201 may comprise, for example, 50mA-80mA, and so on.

In some exemplary embodiments, the low power LED assembly 202 includes an LED assembly that is no greater than 50 mA.

In some exemplary embodiments, the low power LED assembly 202 may comprise, for example, 10mA-40mA, and the like.

Example 2

Embodiment 2 is an on-vehicle display device, and this on-vehicle display device includes the on-vehicle display device's in utility model embodiment 1 two LED backlight unit.

In some exemplary embodiments, the display device with the double LED backlight modules of the vehicle-mounted display device is used to adjust the brightness of the display device according to different requirements, so that the waste of power resources due to single brightness is avoided.

In some exemplary embodiments, the display device using the dual LED backlight module of the vehicle-mounted display device greatly improves the market competitiveness of the product due to the saving of power resources.

Example 3

The utility model discloses electronic equipment's structure, at the hardware level, this electronic equipment includes the treater, still includes bus, network interface, memory optionally. The Memory may include a Memory, such as a Random-Access Memory (RAM), and may further include a non-volatile Memory, such as at least 1 disk Memory. Of course, the electronic device may also include hardware required for other services.

The processor, the network interface, and the memory may be connected to each other via a bus, which may be an ISA (Industry Standard Architecture) bus, a PCI (Peripheral Component Interconnect) bus, an EISA (Extended Industry Standard Architecture) bus, or the like. The bus may be divided into an address bus, a data bus, a control bus, etc.

And the memory is used for storing programs. In particular, the program may include program code comprising computer operating instructions.

In some exemplary embodiments, the electronic device of the present invention includes the dual LED backlight module of the vehicle-mounted display device in embodiment 1.

In some exemplary embodiments, the electronic device of the present invention is provided with the vehicle-mounted display device of embodiment 2, and the vehicle-mounted display device adopts the dual LED backlight module of the vehicle-mounted display device of embodiment 1.

In some exemplary embodiments, an electronic device of an embodiment of the present invention includes: any product or component with a display function, such as a panel, a television, a display, an in-vehicle electronic device, a navigator, etc.

In some exemplary embodiments, the electronic device using the dual LED backlight module of the on-board display device or the display device using the dual LED backlight module of the on-board display device greatly saves power resources, improves power endurance of a terminal product, and improves market competitiveness.

Although the embodiments of the present invention have been described above, the present invention is not limited to the embodiments described above. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A double-LED backlight module of a vehicle-mounted display device is characterized in that a plurality of LED light-emitting components are arranged at the edge of one side of the LED backlight module; the LED light-emitting component comprises two power LED light-emitting components; the LED light-emitting components with two powers comprise a medium-power LED component and a low-power LED component.

2. The LED backlight module of claim 1, wherein the medium power LED elements and the low power LED elements are alternately arranged.

3. The LED backlight module of claim 2, wherein the LED backlight module further comprises: a plurality of operating modes.

4. The LED backlight module of claim 3, wherein the plurality of operating modes comprises: a normal mode, a power saving mode, a super power saving mode, a bright mode, and a highlight mode.

5. The LED backlight module of claim 4, wherein in the normal mode, the middle power LED assembly operates alone.

6. The LED backlight module according to claim 4, wherein the low power LED assembly operates alone in the power saving mode.

7. The LED backlight module of claim 4, wherein in the super power saving mode, the low power LED elements are operated independently and the low power LED elements reduce operating current.

8. The LED backlight module according to claim 4, wherein the middle power LED assembly and the low power LED assembly operate simultaneously in the bright mode.

9. The LED backlight module according to claim 4, wherein in the high brightness mode, the middle power LED assembly and the low power LED assembly operate simultaneously, and the middle power LED assembly and the low power LED assembly increase operating current simultaneously.

10. A vehicle-mounted display device, characterized by comprising the double LED backlight module of the vehicle-mounted display device as claimed in any one of claims 1 to 9.