CN110782832A - Brightness adjusting device and method for display - Google Patents
Brightness adjusting device and method for display Download PDFInfo
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- CN110782832A CN110782832A CN201911110666.1A CN201911110666A CN110782832A CN 110782832 A CN110782832 A CN 110782832A CN 201911110666 A CN201911110666 A CN 201911110666A CN 110782832 A CN110782832 A CN 110782832A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
Abstract
The invention discloses a brightness adjusting device of a display and an adjusting method thereof, wherein the brightness adjusting device comprises an ambient light detection module for detecting the ambient light illumination; the parameter sampling module is connected with the ambient light detection module in series and is connected to the working circuit, and is used for sampling the circuit characteristic parameters of the ambient light detection module; the shielding detection module is used for detecting whether a photosensitive window of the ambient light detection module is shielded or not; and the control module is respectively and electrically connected with the parameter sampling module, the shielding detection module and the LED lamp bank of the display screen, and the control module is used for adjusting the duty ratio of the LED lamp bank according to the shielding condition of the photosensitive window and the numerical value of the circuit characteristic parameter acquired by the parameter sampling module. According to the adjusting device, whether an unidentified object is attached to the photosensitive window or not can be judged through the touch detection module, the brightness adjusting system is reliable, the display effect is effectively improved, and the user experience comfort level is higher.
Description
Technical Field
The invention relates to the technical field of display control, in particular to a brightness adjusting device of a display and an adjusting method thereof.
Background
For promoting the display effect, more and more products can respond to the ambient light illuminance through increasing the light sense device at present, carry out corresponding regulation to user display interface's luminance according to illumination intensity to promote user experience.
However, the current technical scheme has two main problems that the condition of ① false triggering, such as the light sensing window area is mistakenly covered and pressed or dust is accumulated on the window, can affect inaccurate detection of the light sensing device on the ambient light, so that an equipment person can mistakenly think that the ambient light is small, and therefore wrong brightness adjustment is performed, and user experience is affected, ② does not provide a control method of illumination brightness and LED display brightness, so that the amount of matched self-adaptive brightness adjustment experiments is large, the adjustment effect is not ideal, and the user experience is not good.
Disclosure of Invention
The present invention is directed to a brightness adjusting device of a display and an adjusting method thereof, so as to solve the technical problems mentioned in the background art.
In order to achieve the above object, the specific technical solution of the brightness adjusting device and the brightness adjusting method of the display of the present invention is as follows:
a brightness adjustment apparatus of a display, comprising:
the ambient light detection module is used for detecting ambient light illumination;
the parameter sampling module is connected with the ambient light detection module in series and is connected to the working circuit, and is used for sampling the circuit characteristic parameters of the ambient light detection module;
the shielding detection module is used for detecting whether a photosensitive window of the ambient light detection module is shielded or not;
the control module is respectively and electrically connected with the parameter sampling module, the shielding detection module and the LED lamp bank of the display screen, and the control module (40) is used for adjusting the duty ratio of the LED lamp bank (3) according to the shielding condition of the photosensitive window (5) and the value of the circuit characteristic parameter acquired by the parameter sampling module (20).
Further, when the control module detects that the light sensing window is blocked, the control module outputs the light sensing window to the driving LED lamp group according to a preset duty ratio; and when the control module detects that the light sensing window is not shielded, the duty ratio of the LED lamp group is adjusted according to the value of the circuit characteristic parameter acquired by the parameter sampling module.
Further, the environment light detection module comprises at least one environment light photosensitive element, the environment light photosensitive element is a photosensitive resistor, a photosensitive diode or a photosensitive triode, a photosensitive window of the environment light detection area is an arc surface or an inclined surface, the parameter sampling module is a sampling resistor, and the sampling resistor and the environment light photosensitive element are connected in series to the working circuit.
Furthermore, the control module is a single chip microcomputer, the sampling resistor is electrically connected with the single chip microcomputer, an output port of the single chip microcomputer is electrically connected with the PMW adjusting module, and the PMW adjusting module controls the duty ratio of the LED lamp set.
Further, when the control module detects that the photosensitive window is not blocked,
if the control module detects that the ambient illumination intensity is smaller than the preset maximum ambient illumination, the duty ratio of the LED lamp set is determined by the sampling voltage, the current illumination ratio factor, the light transmittance of the light sensing window, the sampling resistance value and the maximum ambient illumination;
if the control module detects that the ambient light intensity is greater than or equal to the preset maximum ambient light intensity, the PWM adjusting module drives the LED lamp group to have the brightness according to the maximum duty ratio D equal to 1.
Further, the resistance value Rss of the sampling resistor is determined by the following formula:
wherein Vss is a sampling voltage, γ is a ratio of an output current of the photosensitive element to a visible light illuminance, Emax is a maximum ambient illuminance, Vdd is a voltage input value of a working circuit connected to the sampling resistor and the ambient light photosensitive element, Vmin is a minimum working voltage value for ensuring that the photosensitive element works in a linear region, and Emax is the maximum ambient illuminance.
Furthermore, it includes the touch spring to shelter from the detection module, and the touch spring is arranged in the ambient light detection area, and the both ends of touch spring are connected with upper substrate and infrabasal plate respectively, and the touch spring is connected with the control module electricity.
Furthermore, the touch detection module comprises an infrared detector, the infrared detector is arranged on the lower substrate, and the infrared detector is electrically connected with the control module.
A brightness adjusting method of a display mainly comprises the following steps:
the control module acquires an electric signal of the shielding detection module to judge the shielding condition of the photosensitive window; the control module acquires the value of the circuit characteristic parameter of the ambient light sensing module acquired by the parameter sampling module; the control module adjusts the duty ratio of the LED lamp group according to the shielding condition of the light sensing window and the value of the circuit characteristic parameter acquired by the parameter sampling module.
Further, when the photosensitive window is judged to be shielded, the control module drives the LED lamp group according to a preset duty ratio;
when the photosensitive window is judged to be not shielded, whether the photosensitive element works in a linear region or not is judged, and when the photosensitive element works in the linear region, the duty ratio of the LED lamp set is determined by sampling voltage, a current illumination ratio factor, the light transmittance of the photosensitive window, a sampling resistance value and the maximum ambient light illumination;
when the photosensitive element works in the nonlinear area, the LED lamp set is driven according to the duty ratio D of 1.
The brightness adjusting device and the brightness adjusting method of the display have the following advantages that:
the light sensing window of the adjusting device is designed into an arc surface or an inclined surface, the probability of deposition of unidentified particle solids, liquid and dust can be effectively lowered, the touch detection module can judge whether an unidentified object is attached or not and also contains the condition of artificial long-time false touch.
Drawings
FIG. 1 is a schematic structural diagram of a brightness adjusting device according to the present invention;
fig. 2 is a sectional view of a brightness adjusting apparatus of the present invention;
fig. 3 is a driving schematic diagram of the brightness adjusting apparatus of the present invention;
fig. 4 is a flowchart of a brightness adjusting method according to the present invention.
The reference numbers in the figures illustrate: 1. an upper panel; 2. a lower panel; 3. an LED lamp group; 4. a photosensitive element; 5. a light sensing window; 6. a touch spring; 7. a partition plate; 10. an ambient light detection module; 20. a parameter sampling module; 30. a occlusion detection module; 40. a control module; 50. and a PMW adjusting module.
Detailed Description
In order to better understand the purpose, structure and function of the present invention, a brightness adjusting device of a display and an adjusting method thereof according to the present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1, the brightness adjusting apparatus of a display according to the present invention includes:
an ambient light detection module 10 for detecting the intensity of ambient light;
the parameter sampling module 20 is connected in series with the ambient light detection module 10 to the working circuit, and is used for sampling the circuit characteristic parameters of the ambient light sensing element;
the shielding detection module 30 is used for detecting whether the light sensing window 5 of the ambient light detection module 10 is shielded or not, the shielding detection module 30 is electrically connected with the control module 40, when the light sensing window 5 is detected to be shielded, the control module 40 outputs the light to the driving LED lamp group 3 according to a preset duty ratio, and the control module 40 does not adjust the brightness of the LED lamp group 3; when the shielding detection element confirms that the photosensitive window 5 is not shielded, the brightness of the LED lamp group 3 in the light emitting area is adjusted;
and the control module 40 is electrically connected with the parameter sampling module 20 and the LED lamp group 3 of the display screen, and is configured to adjust the duty ratio of the LED lamp group 3 according to the value of the circuit characteristic parameter of the ambient light sensing element collected by the parameter sampling module 20.
As one embodiment, as shown in fig. 2-3, the display includes an upper panel 1 and a lower panel 2 oppositely disposed, the upper panel 1 is transparent, the lower panel 2 is disposed with an LED lamp set 3, the LED lamp set 3 is electrically connected to a PMW adjusting module 50, the PMW adjusting module 50 is electrically connected to a control module 40, an ambient light detection module 10 is arranged at one side of the LED lamp group 3, a partition 7 is arranged between the ambient light detection module 10 and the LED lamp group 3 to divide the display into an ambient light detection area and a light emitting area, by arranging the partition 7, the LED lamp set 3 and the ambient light detection module 10 are electrically connected to the control module 40, respectively, the control module 40 detects the intensity signal of the ambient light according to the ambient light detection module 10, adjust with the luminance to LED banks 3, effectively prevent that the light that LED banks 3 sent from producing the influence to the detection data of environment light detection module 10, promote the detection precision of environment light detection module 10 greatly.
The light sensing window 5 of the ambient light detection area is an arc surface or an inclined surface, so that the probability of deposition of unidentified particle solids, liquid and dust can be effectively lowered.
The ambient light photosensitive element 4 is a photosensitive resistor, a photosensitive diode or a phototriode, the parameter sampling module 20 is a sampling resistor, and the sampling resistor and the ambient light photosensitive element 4 are connected in series to a working circuit.
The control module 40 is a single chip microcomputer, the sampling resistor is electrically connected with the single chip microcomputer, an output port of the single chip microcomputer is electrically connected with the PMW adjusting module 50, and the PMW adjusting module 50 controls the duty ratio of the LED lamp group 3.
The duty cycle D of the LED lamp group 3 is determined by the following formula:
wherein, D is the duty ratio of the LED lamp group 3, Vss is the sampling voltage of the sampling resistor obtained by the single chip, γ is the ratio of the output current of the photosensitive element 4 to the visible light illuminance, i.e. the current light illumination ratio factor, δ is the light transmittance of the photosensitive window 5, Rss is the resistance value of the sampling resistor, Emax is the preset maximum ambient light illuminance, which may be smaller than the actual maximum ambient light illuminance.
According to the application occasion of the product, the maximum ambient light illumination Emax is selected, and according to the photosensitive characteristic, in order to ensure the high linearity of photosensitive output current and visible light, Rss can be determined by the following formula:
vdd is the voltage input value of the sampling resistor and the working circuit connected to the ambient light sensor 4, and Vmin is the minimum working voltage value for ensuring that the sensor 4 works in the linear region.
When the control module 40 detects that Vss is less than Vdd-Vmin or the ambient illuminance is less than the preset maximum ambient illuminance, the photosensitive element 4 operates in a linear region and enters a brightness adjustment mode, and the duty ratio of the LED lamp set 3 is determined by the sampling voltage, the current illuminance ratio factor, the light transmittance of the photosensitive window 5, the sampling resistance value, and the maximum ambient illuminance. Wherein γ is the current illumination ratio factor of the photosensitive element 4, is a known quantity, and is determined by the photosensitive element 4 itself; δ is the transmittance of the light sensing window 5, which can be adjusted according to practical application.
When the control module 40 detects that Vss is greater than or equal to Vdd-Vmin or the ambient illuminance is greater than or equal to the preset ambient illuminance, the photosensitive element 4 works in a nonlinear region, and the PWM adjusting module drives the LED lamp group 3 to have brightness according to the maximum duty ratio D of 1.
As shown in fig. 2, the shielding detection module 30 may be a touch spring 6, the touch spring 6 is disposed in the ambient light detection region, two ends of the touch spring 6 are respectively connected to the upper substrate and the lower substrate, the touch spring 6 is electrically connected to the control module 40, when the light-sensing window 5 is touched by a user for a long time, the touch spring 6 deforms, and the control module 40 is configured to detect the deformation of the touch spring 6.
The touch detection module can also be a conductive film, a piezoelectric film and other media, the conductive film and the piezoelectric film are arranged on the bottom surface of the upper substrate, and the control module 40 detects an electric signal of the media to detect whether the user mistakenly touches the touch panel for a long time.
In addition, the touch detection module further comprises an infrared detector, the infrared detector is arranged on the lower substrate, and the infrared detector is electrically connected with the control module 40. When the light sensing window 5 is attached by foreign matter, the infrared detector generates an electric signal to input the value control module 40.
As shown in fig. 4, the present invention further provides a brightness adjusting method for a display, which mainly comprises the following steps:
the control module 40 acquires the electric signal of the shielding detection module 30 to judge whether the photosensitive window 5 is shielded;
when the light sensing window 5 is judged to be blocked, the control module 40 drives the LED lamp group 3 according to a preset duty ratio;
when the light sensing window 5 is determined not to be blocked, the control module 40 adjusts the duty ratio of the LED lamp set 3 according to the value of the circuit characteristic parameter of the ambient light sensing element collected by the parameter sampling module 20.
When the control module 40 detects that the photosensitive element 4 works in the linear region, the brightness adjustment mode is entered, and the duty ratio of the LED lamp set 3 is determined by the sampling voltage, the current illumination ratio factor, the light transmittance of the photosensitive window 5, the sampling resistance value, and the maximum ambient light illumination.
When the control module 40 detects that the photosensitive element 4 operates in the nonlinear region, the LED lamp set 3 is driven to have a brightness of 1 at the maximum duty ratio D.
The photosensitive window 5 of this display designs into cambered surface or inclined plane, can be effectively lower unknown particle solid, the probability of the deposit of liquid and dust, touch detection module can judge whether there is the unknown thing to adhere to, also contain the condition of artificial long-time mistake touch, this brightness control method, through judging whether photosensitive window 5 is sheltered from, when not sheltering from, only be in photosensitive device's linear working area, just carry out adjustting of the lighteness, brightness control system is reliable, effectively promote display effect, user experience comfort level is higher.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (10)
1. A brightness adjustment apparatus for a display, comprising:
an ambient light detection module (10) for detecting ambient light illumination;
the parameter sampling module (20) is connected with the ambient light detection module (10) in series and connected into a working circuit, and is used for sampling the circuit characteristic parameters of the ambient light detection module (10);
the shielding detection module (30) is used for detecting whether the light sensing window (5) of the ambient light detection module (10) is shielded or not;
the control module (40) is respectively electrically connected with the parameter sampling module (20), the shielding detection module (30) and the LED lamp bank (3) of the display screen, and the control module (40) is used for adjusting the duty ratio of the LED lamp bank (3) according to the shielding condition of the photosensitive window (5) and the value of the circuit characteristic parameter acquired by the parameter sampling module (20).
2. The brightness adjusting apparatus of a display according to claim 1, wherein when the control module (40) detects that the light sensing window (5) is blocked, the control module (40) outputs to the LED lamp group (3) according to a preset duty ratio; when the control module (40) detects that the light sensing window (5) is not shielded, the duty ratio of the LED lamp group (3) is adjusted according to the value of the circuit characteristic parameter acquired by the parameter sampling module (20).
3. The brightness adjusting device of the display according to claim 1, wherein the ambient light detecting module (10) comprises at least one ambient light sensing element (4), the ambient light sensing element (4) is a photo resistor, a photo diode or a photo triode, a sensing window (5) of the ambient light detecting area is an arc surface or an inclined surface, the parameter sampling module (20) is a sampling resistor, and the sampling resistor and the ambient light sensing element (4) are connected in series to the operating circuit.
4. The brightness adjusting device of the display according to claim 3, wherein the control module (40) is a single chip microcomputer, the sampling resistor is electrically connected with the single chip microcomputer, an output port of the single chip microcomputer is electrically connected with the PMW adjusting module (50), and the PMW adjusting module (50) controls the duty ratio of the LED lamp set (3).
5. A brightness adjustment arrangement for a display according to claim 4, characterized in that, when the control module (40) detects that the light sensing window (5) is not obstructed,
if the control module (40) detects that the ambient illumination intensity is smaller than the preset maximum ambient illumination, the duty ratio of the LED lamp group (3) is determined by the sampling voltage, the current illumination ratio factor, the light transmittance of the light sensing window (5), the sampling resistance value and the maximum ambient illumination;
if the control module (40) detects that the ambient light intensity is greater than the preset maximum ambient light intensity, the PWM adjusting module (50) drives the LED lamp group (3) to have the brightness of 1 at the maximum duty ratio D.
6. The brightness adjusting apparatus of claim 5, wherein the resistance value Rss of the sampling resistor is determined by the following equation:
wherein, Vss is sampling voltage, γ is the ratio of the output current of the photosensitive element (4) to the visible light illumination, Emax is the maximum ambient light illumination, Vdd is the voltage input value of the sampling resistor and the working circuit connected to the ambient light photosensitive element (4), Vmin is the minimum voltage value for ensuring that the photosensitive element (4) works in the linear region, and Emax is the maximum ambient light illumination.
7. The brightness adjusting apparatus of a display according to claim 1, wherein the shielding detection module (30) comprises a touch spring (6) disposed in the ambient light detection region, the touch spring (6) is connected to the upper substrate and the lower substrate of the display, respectively, and the touch spring (6) is electrically connected to the control module (40).
8. The brightness adjustment apparatus for display according to claim 1, wherein the touch detection module comprises an infrared detector disposed on the lower substrate, the infrared detector being electrically connected to the control module (40).
9. A brightness adjusting method of a display is characterized by mainly comprising the following steps:
the control module (40) acquires an electric signal of the shielding detection module (30) to judge the shielding condition of the photosensitive window (5); the control module (40) acquires the value of the circuit characteristic parameter of the ambient light sensing module acquired by the parameter sampling module (20); the control module (40) adjusts the duty ratio of the LED lamp group (3) according to the shielding condition of the light sensing window (5) and the value of the circuit characteristic parameter acquired by the parameter sampling module (20).
10. The method of claim 9, wherein when the light sensing window (5) is determined to be blocked, the control module (40) drives the LED lamp group (3) according to a preset duty ratio;
when the light sensing window (5) is judged to be not shielded, whether the light sensing element (4) works in a linear region or not is judged, and when the light sensing element (4) works in the linear region, the duty ratio of the LED lamp group (3) is determined by sampling voltage, a current illumination ratio factor, the light transmittance of the light sensing window (5), a sampling resistance value and the maximum ambient light illumination;
when the photosensitive element (4) works in a nonlinear area, the LED lamp group (3) is driven according to the duty ratio D of 1.
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| CN201911110666.1A CN110782832A (en) | 2019-11-14 | 2019-11-14 | Brightness adjusting device and method for display |
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| CN201911110666.1A CN110782832A (en) | 2019-11-14 | 2019-11-14 | Brightness adjusting device and method for display |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111968560A (en) * | 2020-08-31 | 2020-11-20 | 维沃移动通信有限公司 | Display parameter adjusting method and device and electronic equipment |
| CN112201197A (en) * | 2020-10-10 | 2021-01-08 | 天长市辉盛电子有限公司 | System for adjusting display brightness of LED display screen |
| CN112562577A (en) * | 2020-11-19 | 2021-03-26 | 江苏玄博智能标识科技有限公司 | Signboard intelligent control system and control method thereof |
| CN113899154A (en) * | 2021-09-30 | 2022-01-07 | 珠海格力电器股份有限公司 | Control method and control system of display screen and electric appliance |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87214919U (en) * | 1988-04-07 | 1988-12-21 | 保定钢窗厂 | Hollow-web steel window by pushing and/or pulling (left and/or right) |
| KR20000012694U (en) * | 1998-12-21 | 2000-07-05 | 김성우 | Milk spill and roll-proof milk bottles |
| CN201846746U (en) * | 2010-09-26 | 2011-06-01 | 安徽靖童科技农业发展有限公司 | Anti-spray cover for deep-fry machine |
| CN202662235U (en) * | 2012-07-13 | 2013-01-09 | 珠海格力电器股份有限公司 | Display device and air conditioner |
| CN202791666U (en) * | 2012-09-18 | 2013-03-13 | 京东方科技集团股份有限公司 | LED (Light Emitting Diode) backlight and display |
| CN203721169U (en) * | 2013-11-22 | 2014-07-16 | 广东美的厨房电器制造有限公司 | Brightness-adjusting device for display screen of household electrical appliance and household electrical appliance |
| CN104837266A (en) * | 2015-05-14 | 2015-08-12 | 苏州鸿益丰光电有限公司 | LED daylight induction lamp intelligent control apparatus and method |
| CN204883654U (en) * | 2015-08-20 | 2015-12-16 | 盛群半导体股份有限公司 | Touch control type display device |
| CN105258283A (en) * | 2015-10-12 | 2016-01-20 | 珠海格力电器股份有限公司 | Panel display assembly and air conditioner |
| CN205232186U (en) * | 2015-11-13 | 2016-05-11 | 深圳市康冠医疗设备有限公司 | Touch panel with LED instruction function |
| CN106652922A (en) * | 2017-01-04 | 2017-05-10 | 珠海市魅族科技有限公司 | Method and system for controlling screen luminance |
| CN108766362A (en) * | 2018-05-04 | 2018-11-06 | 广东小天才科技有限公司 | A kind of regulating system of screen intensity, method and device |
-
2019
- 2019-11-14 CN CN201911110666.1A patent/CN110782832A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87214919U (en) * | 1988-04-07 | 1988-12-21 | 保定钢窗厂 | Hollow-web steel window by pushing and/or pulling (left and/or right) |
| KR20000012694U (en) * | 1998-12-21 | 2000-07-05 | 김성우 | Milk spill and roll-proof milk bottles |
| CN201846746U (en) * | 2010-09-26 | 2011-06-01 | 安徽靖童科技农业发展有限公司 | Anti-spray cover for deep-fry machine |
| CN202662235U (en) * | 2012-07-13 | 2013-01-09 | 珠海格力电器股份有限公司 | Display device and air conditioner |
| CN202791666U (en) * | 2012-09-18 | 2013-03-13 | 京东方科技集团股份有限公司 | LED (Light Emitting Diode) backlight and display |
| CN203721169U (en) * | 2013-11-22 | 2014-07-16 | 广东美的厨房电器制造有限公司 | Brightness-adjusting device for display screen of household electrical appliance and household electrical appliance |
| CN104837266A (en) * | 2015-05-14 | 2015-08-12 | 苏州鸿益丰光电有限公司 | LED daylight induction lamp intelligent control apparatus and method |
| CN204883654U (en) * | 2015-08-20 | 2015-12-16 | 盛群半导体股份有限公司 | Touch control type display device |
| CN105258283A (en) * | 2015-10-12 | 2016-01-20 | 珠海格力电器股份有限公司 | Panel display assembly and air conditioner |
| CN205232186U (en) * | 2015-11-13 | 2016-05-11 | 深圳市康冠医疗设备有限公司 | Touch panel with LED instruction function |
| CN106652922A (en) * | 2017-01-04 | 2017-05-10 | 珠海市魅族科技有限公司 | Method and system for controlling screen luminance |
| CN108766362A (en) * | 2018-05-04 | 2018-11-06 | 广东小天才科技有限公司 | A kind of regulating system of screen intensity, method and device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111968560A (en) * | 2020-08-31 | 2020-11-20 | 维沃移动通信有限公司 | Display parameter adjusting method and device and electronic equipment |
| CN111968560B (en) * | 2020-08-31 | 2023-10-24 | 维沃移动通信有限公司 | Display parameter adjustment method and device and electronic equipment |
| CN112201197A (en) * | 2020-10-10 | 2021-01-08 | 天长市辉盛电子有限公司 | System for adjusting display brightness of LED display screen |
| CN112562577A (en) * | 2020-11-19 | 2021-03-26 | 江苏玄博智能标识科技有限公司 | Signboard intelligent control system and control method thereof |
| CN113899154A (en) * | 2021-09-30 | 2022-01-07 | 珠海格力电器股份有限公司 | Control method and control system of display screen and electric appliance |
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Application publication date: 20200211 |