CN212694810U - High-partition regional light control television - Google Patents
High-partition regional light control television Download PDFInfo
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- CN212694810U CN212694810U CN202021586727.XU CN202021586727U CN212694810U CN 212694810 U CN212694810 U CN 212694810U CN 202021586727 U CN202021586727 U CN 202021586727U CN 212694810 U CN212694810 U CN 212694810U
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Abstract
The application discloses regional TV of accuse light of high subregion, including the power supply part, the power supply part is connected with the TV chip that is used for calculating high subregion luminance information, the TV chip is connected with and is used for receiving and conversion the microcontroller of luminance information, microcontroller is connected to three routes and is used for transmitting the transmission part of luminance information after the conversion, all transmission part all is connected to and is used for the basis the LED drive part of the corresponding LED luminance of luminance information control after the conversion. The television with the high-subarea light control function can realize the high-subarea light control, improve the contrast ratio of the television, improve the image quality, reduce the backlight power consumption and reduce the power consumption of the whole television.
Description
Technical Field
The utility model relates to a display device technical field, more specifically say, relate to a TV of regional accuse light of high subregion.
Background
The backlight is divided into a plurality of small areas, each of which is called a subarea, wherein a high subarea means that the number of such small areas is relatively large, for example more than 1000 small areas, and a low subarea means that the number of such small areas is relatively small, for example less than 128 small areas. When the television works, all the subareas of the backlight can be controlled, and the brightness of the backlight of the corresponding subarea is adjusted according to the brightness of the content of the liquid crystal display corresponding to the corresponding subarea.
At present, the backlight sources of most LED televisions are in a normally bright state, accurate dimming cannot be performed on each partition of the backlight sources, the backlight sources cannot be dark enough when being dark (should not emit light originally), the performance of dark details can be influenced, the contrast ratio is caused to be problematic, the backlight adjusting function of a low partition area is realized in the backlight of some LED televisions, accurate dimming is performed on each area, but the backlight partition is less, the contrast ratio cannot be greatly improved, and therefore the image quality cannot be greatly improved.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a TV of regional accuse light of high subregion can realize the regional accuse light of high subregion, improves the contrast of TV for the picture quality promotes, reduces the consumption in a poor light, makes the complete machine consumption reduction.
The utility model provides a pair of TV of regional accuse light of high subregion, including the power supply part, the power supply part is connected with the TV chip that is used for calculating high subregion luminance information, the TV chip is connected with and is used for receiving and conversion the microcontroller of luminance information, microcontroller is connected to three routes and is used for transmitting the transmission part of luminance information after the conversion, all transmission part all is connected to and is used for the basis the LED drive unit of the corresponding LED luminance of luminance information control after the conversion.
Preferably, in the television for controlling light in the high-partition area, the microcontroller is a single chip microcomputer.
Preferably, in the television with high-partition regional light control, the television chip is an SOC chip.
Preferably, in the television for controlling light in the high-partition area, the television chip is connected to the microcontroller by using an SPI communication component.
Preferably, in the television with high-zone area light control, the transmission component is an SPI communication component.
Preferably, in the above television with high-area light control, each transmission component is connected with at least 10 LED driving components.
Preferably, in the television with high-area light control, the power supply component is a 12V dc power supply.
Preferably, in the above television with high-area light control, the LED driving part is an IW7039 driving circuit capable of controlling 32 areas.
Preferably, in the television for controlling light in the high-partition area, the microcontroller is a GD32F303C single chip microcomputer.
According to the above technical scheme, the utility model provides a TV of regional accuse light of high subregion, owing to including the power supply part, the power supply part is connected with the TV chip that is used for calculating high subregion luminance information, the TV chip is connected with and is used for receiving and conversion the microcontroller of luminance information, microcontroller is connected to three routes and is used for transmitting the transmission part of luminance information after the conversion, all transmission part all is connected to and is used for the basis the LED drive part of the corresponding LED luminance of luminance information control after the conversion, it is visible to have added microcontroller in this kind of TV, just can connect more LED drive part, consequently can realize the regional accuse light of high subregion, improves the contrast of TV for the picture quality promotes, reduces the consumption of being shaded, makes the consumption reduction of complete machine.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
Fig. 1 is a schematic diagram of an embodiment of a television with high-area light control according to the present invention.
Detailed Description
The core of the utility model is to provide a TV of regional accuse light of high subregion, can realize the regional accuse light of high subregion, improve the contrast of TV for the picture quality promotes, reduces the consumption in a poor light, makes the consumption reduction of complete machine.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a pair of embodiment of TV of regional accuse light of high subregion is shown in figure 1, figure 1 is the utility model provides a pair of the schematic diagram of the TV of regional accuse light of high subregion embodiment, this TV includes power supply part 1, power supply part 1 is connected with the TV chip 2 that is used for calculating high subregion luminance information, TV chip 2 is connected with the microcontroller 3 that is used for receiving and converting luminance information, microcontroller 3 is connected to three routes and is used for transmitting the transmission part 4 of luminance information after the conversion, all transmission parts 4 all are connected to the LED drive part 5 that is used for according to the corresponding LED luminance of luminance information control after the conversion.
It should be noted that the existing television chip only has one path of SPI transmission device, and the number of LED driving components that one path of SPI transmission device can connect is limited, and the more partitions are needed, the more LED driving components are needed, so the capability of one path of SPI transmission device is limited, and enough LED driving components cannot be connected, but in this scheme, the microcontroller 3 is added, the microcontroller 3 can connect three paths of transmission components 4 to connect the LED driving components 5, and in addition, the television chip 2 can support the output of high-partition luminance data, so the television can realize the light control function of a high-partition area.
According to the above technical scheme, the utility model provides an in the embodiment of the TV of the regional accuse light of above-mentioned high subregion, owing to including the power supply part, the power supply part is connected with the TV chip that is used for calculating high subregion luminance information, the TV chip is connected with the microcontroller that is used for receiving and converting luminance information, microcontroller is connected to the transmission part that three routes were used for transmitting luminance information after the conversion, all transmission parts all are connected to the LED drive part that is used for according to the corresponding LED luminance of luminance information control after the conversion, it is visible that it has added microcontroller, just can connect more LED drive parts, consequently, can realize the regional accuse light of high subregion, improve the contrast of TV, make the picture quality promote, reduce the consumption of being shaded, make the complete machine consumption reduce.
In a specific embodiment of the above television for controlling light in a high-partition area, the adopted microcontroller may be a single chip microcomputer, which is not only easy to obtain, but also low in cost, as long as it can process luminance data of a high-partition area, and of course, other types of microcontrollers may also be selected, and this is not limited here.
In another embodiment of the tv with high-area light control, the tv chip may be an SOC chip, i.e. a system on chip (system on chip), which can output the brightness data of the high-area.
In another specific embodiment of the above television for controlling light in a high-partition area, the television chip is connected to the microcontroller through an SPI communication component, and the SPI communication component has a higher communication rate, and can meet the transmission requirement of high-partition luminance data.
In a preferred embodiment of the above television for controlling light in a high-area region, the transmission component may be an SPI communication component, and the SPI communication component has a higher communication rate, and can meet the transmission requirement of high-area luminance data.
In another preferred embodiment of the above television with high-partition area light control, each transmission component may be connected with at least 10 LED driving components, that is, each transmission component may be connected with 10 LED driving components, and may also be connected with 11 or more LED driving components, but each transmission component itself has an upper limit of the number of connections, taking SPI as an example, and therefore, the microcontroller needs to be configured to expand the number of connections to meet the requirement of high-partition brightness control.
In another preferred embodiment of the television with high-area light control, the power supply component may be a 12V dc power supply, which is low in cost and easy to obtain, and can meet the requirements of the present solution, so the 12V dc power supply may be preferred, and of course, other types of power supplies may be selected according to actual needs, which is not limited herein.
Furthermore, the LED driving part may be selected as an IW7039 driving circuit capable of controlling 32 partitions, and the microcontroller may preferably be a GD32F303C single chip microcomputer.
The specific use flow of the above embodiment may be as follows: firstly, a television SOC acquires an image signal, luminance information is obtained through a Local Dimming algorithm, the luminance information is sent to an MCU through SPI communication, and the MCU carries out data conversion after receiving the luminance information and sends the luminance information to an LED Driver through the SPI communication; the LED Driver receives the data and drives the LED lamp of the corresponding channel. The Local Dimming algorithm may specifically be: one image is taken, a television chip (for example, an MSD6A848 chip) captures a brightness value to obtain LDF Data, then a Local Dimming algorithm is adopted, after a series of calculations, the Data is divided into two paths, wherein one path is SPI Data which is directly related to the brightness degree of a Backlight, the other path is related to image compensation, and in order to compensate the image, the brightness of the image in each partition needs to be known firstly, for the television chip and software, the brightness of an LED lamp at the rearmost end is not known, and the simulation is carried out, namely Digital Backlight, so that corresponding image compensation is carried out according to the brightness, and finally, the image content after image compensation is added to the lamp controlled by the SPI forms a visual image presented in front of a user.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A television for controlling light in a high-partition area is characterized by comprising a power supply part, wherein the power supply part is connected with a television chip for calculating high-partition brightness information, the television chip is connected with a microcontroller for receiving and converting the brightness information, the microcontroller is connected with three transmission parts for transmitting the converted brightness information, and all the transmission parts are connected with an LED driving part for controlling the brightness of corresponding LEDs according to the converted brightness information.
2. The high-partition area light-control television according to claim 1, wherein the microcontroller is a single-chip microcomputer.
3. The tv of claim 1, wherein the tv chip is an SOC chip.
4. The high-partition area light-controlled television of claim 1, wherein the television chip and the microcontroller are connected by an SPI communication component.
5. The high-bay area light management television of claim 1, wherein the transmission component is an SPI communication component.
6. The high-bay area light management television of claim 1, wherein at least 10 of said LED driver components are connected to each of said transmission components.
7. The high-bay area light management television of claim 1, wherein the power supply is a 12V dc power supply.
8. The high-bay area light-controlled television of claim 1, wherein the LED driver component is an IW7039 driver circuit capable of controlling 32 bays.
9. The high-zone regional light control television of claim 2, wherein the microcontroller is a GD32F303C single chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021586727.XU CN212694810U (en) | 2020-07-31 | 2020-07-31 | High-partition regional light control television |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021586727.XU CN212694810U (en) | 2020-07-31 | 2020-07-31 | High-partition regional light control television |
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| CN212694810U true CN212694810U (en) | 2021-03-12 |
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| CN202021586727.XU Active CN212694810U (en) | 2020-07-31 | 2020-07-31 | High-partition regional light control television |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113763894A (en) * | 2021-09-30 | 2021-12-07 | 深圳市皓丽软件有限公司 | Self-checking reset method and system for area light control circuit |
| CN114220398A (en) * | 2021-12-20 | 2022-03-22 | 深圳市康冠智能科技有限公司 | Backlight control method and display device |
-
2020
- 2020-07-31 CN CN202021586727.XU patent/CN212694810U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113763894A (en) * | 2021-09-30 | 2021-12-07 | 深圳市皓丽软件有限公司 | Self-checking reset method and system for area light control circuit |
| CN114220398A (en) * | 2021-12-20 | 2022-03-22 | 深圳市康冠智能科技有限公司 | Backlight control method and display device |
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