CN1755793A - Display device capable of automatically adjusting brightness and adjusting method thereof - Google Patents
Display device capable of automatically adjusting brightness and adjusting method thereof Download PDFInfo
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- CN1755793A CN1755793A CN 200410080640 CN200410080640A CN1755793A CN 1755793 A CN1755793 A CN 1755793A CN 200410080640 CN200410080640 CN 200410080640 CN 200410080640 A CN200410080640 A CN 200410080640A CN 1755793 A CN1755793 A CN 1755793A
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Abstract
The display device with brightness regulated automatically comprises an optical sensor to sense round brightness, an amplitude device, A/D converter, key in device to regulate brightness directly, a control device to send prestored brightness regulation signal according to signal from A/D converter, and compare key-in value with prestored value to calculate and store augmenting value and send regulation signal, a storage device, a brightness regulation loop to control brightness according to signal from control device, and a display device.
Description
Technical field
What relate among the present invention is display device and control method thereof capable of automatic regulating brightness; Particularly, utilize the brightness of photosensor senses periphery to change, and regulate the display device and the control method thereof of brightness automatically.
Background technology
Fig. 1 is that existing intensity adjustable display device constitutes key diagram; Fig. 2 is the workflow diagram of existing scalable brightness display device.
See figures.1.and.2, display device 20 comprises following parts: carry out the transmission/reception of control signal by communication device 11 and peripheral control unit 10, and receive user's the signal that requires by converter 12, it is kept in the storer 13, then to the CPU15 of image control apparatus 14 input control signals; According to the control signal of above-mentioned image control apparatus 14, carry out the display device 16 of Presentation Function; Receive control signal from above-mentioned CPU15, and change the supply unit 17 of display device 16 driving voltages.
At this moment, the element that is used in display device 16 procedure for displaying can adopt liquid crystal display cells (LCD) or electroluminescent cell (EL) etc.; If the use liquid crystal display cells, the back-lighting of similar fluorescent light functional will be installed in its back side.
Below, the principle that has display device now is described.
At first, CPU15 controls image control apparatus 14 and storer 13 according to the control signal of peripheral control unit 10, and simultaneously according to the output signal of above-mentioned image control apparatus 14, above-mentioned display device is carried out Presentation Function.
Under above-mentioned state, the user can be by manual operation, when bright on every side the time, just back-lighting is lightened a bit, when darker on every side the time, then back-lighting is dimmed a bit.(S100)
In other words, the user requires signal by converter 12 input brightness regulation, and this signal will be input to supply unit 17 in the control signal mode by CPU15.(S110)
According to above-mentioned control signal, supply unit 17 is regulated the brightness of display device 16 by regulating the driving voltage of display device 16.
By the aforesaid operations process, can have the brightness adjustment operation of display device now.
But in the above-mentioned existing display device, the user must regulate the brightness of display device by the converter operation with manual mode according to the variation of peripheral brightness, has brought inconvenience to use.
Summary of the invention
Purpose of the present invention is exactly in order to address the above problem, and the variation that utilizes the brightness of optical inductor sensing periphery is provided, and carries out brightness regulation automatically, also considers the ABC function display of user's visual characteristic simultaneously.
The display device that can regulate brightness among the present invention automatically comprises following parts: the Photoinduction device of sensing periphery brightness; The signal that above-mentioned Photoinduction device is sensed carries out the amplitude device that amplification is handled; With the signal that above-mentioned amplitude device amplification was handled, be converted to the A/D conversion equipment of digital signal; The user can directly regulate the finger-impu system of brightness; Signal according to above-mentioned A/D conversion equipment input, transmit the brightness regulated signal of preserving in advance, and when regulating brightness by above-mentioned finger-impu system by the user, compare with the brightness regulation value of prior preservation, calculate and preserve the revisal amount then, and transmit the control device of the brightness regulated signal of being preserved; Preservation is along with the brightness regulation value of peripheral brightness variation and the save set of above-mentioned control device brightness revisal amount calculated value; According to the signal of above-mentioned save set, the brightness regulation loop of control brightness; The display device of display frame.
In addition, the display device ABC method among the present invention comprises the following several stages content: the stage one, by the brightness of Photoinduction device sensing periphery; In the stage two, above-mentioned sensed signal is carried out amplification and A/D conversion process; In the stage three, when the user regulated brightness, with comparing corresponding to the brightness regulation value of peripheral brightness and the brightness regulation value of user's input of preserving in advance, its compensating value of calculating/preservation transmitted the brightness regulated signal of having preserved more then; In the stage four, when the user does not regulate brightness, transmit the brightness regulated signal of preserving in advance corresponding with peripheral brightness; In the stage five,, regulate the brightness of display device according to the brightness regulated signal that is transmitted.
The present invention changes the brightness of regulating display device automatically according to the brightness of periphery, therefore can prevent the power supply waste and cause asthenopic phenomenon easily.
And, among the present invention, according to the accurately sensing periphery brightness of user environment Photoinduction device, during perhaps according to user's sense of vision feature change self-regulating brightness value, the brightness value of revisal can be preserved and be suitable for, the brightness value of display device can be suitably regulated according to user's environment for use or individual's characteristic simultaneously.
Description of drawings
Fig. 1 is the formation key diagram of existing scalable brightness display device.
Fig. 2 is the workflow diagram of existing scalable brightness display device.
Fig. 3 is a display device key diagram capable of automatic regulating brightness among the present invention.
Fig. 4 is a display device brightness adjusting method key diagram capable of automatic regulating brightness among the present invention.
* accompanying drawing major part symbol description *
10: peripheral control unit 11: communication device
12: converter 13: storer
14: image control apparatus 15:CPU
16: display device 17: supply unit
30: Photoinduction device 31: amplitude device
32:A/D conversion equipment 33: control device
34: finger-impu system 35: save set
36: brightness regulation loop 37: display device
Embodiment
With reference to the accompanying drawings, display device capable of automatic regulating brightness among the present invention is described in detail.
Fig. 3 is the key diagram of ABC display device among the present invention.
With reference to Fig. 3, the present invention includes following parts: be arranged on a side of display device, can sensing the Photoinduction device 30 of periphery brightness; The signal that above-mentioned Photoinduction device 30 is sensed carries out the amplitude device 31 that amplification is handled; With the signal that above-mentioned amplitude device 31 amplification were handled, be converted to the A/D conversion equipment 32 of digital signal; Can directly regulate the finger-impu system 34 of brightness for the user; Signal according to above-mentioned A/D conversion equipment 32 inputs, transmit the brightness regulated signal of preserving in advance, and when regulating brightness by above-mentioned finger-impu system 34 by the user, compare with the brightness regulation value of prior preservation, calculate and preserve the revisal amount then, and transmit the control device 33 of the brightness regulated signal of being preserved; Preservation is according to the brightness regulation value of peripheral brightness and the save set 35 of above-mentioned control device 33 brightness revisal amount calculated values; According to the signal of above-mentioned save set 33, the brightness regulation loop 36 of control brightness; The display device of display frame.
Specifically, a side of display device is provided with more than one above-mentioned Photoinduction device 30 at least, can use multiple optical sensor.And the signal that 31 pairs of Photoinduction devices 30 of above-mentioned amplitude device sense carries out amplification to be handled, and is sent to control device 33 by A/D conversion equipment 32 simultaneously.
Above-mentioned control device 33 utilizes the brightness regulation value control brightness regulation loop 36 that is kept in advance in the save set 35 according to the variation of outside brightness; If the user directly regulates brightness by finger-impu system 34, according to the value of user's input, calculate the revisal amount at the brightness regulation value that is kept in advance in the save set 35, and be kept in the save set 35, transmit the brightness regulation value of revisal simultaneously.Here, above-mentioned finger-impu system 34 can adopt telepilot or be arranged on the device such as input keyboard, mouse, keyboard of display device one side.
According to the signal that transmits by above-mentioned control device 33, the brightness of display device 37 can be regulated in brightness regulation loop 36.
Fig. 4 is a display device brightness adjusting method key diagram capable of automatic regulating brightness among the present invention.
At first, by the brightness (S200) of Photoinduction device sensing periphery, and the signal that senses carried out amplification, A/D conversion process.(S210)(S220)
When the user carries out the brightness adjustment, the brightness regulation value corresponding with peripheral brightness of preservation in advance and the brightness regulation value of user's input are compared, calculate and preserve corresponding compensating value then, transmit the brightness regulated signal of being preserved again.(S230)(S240)(S250)
When the user does not carry out brightness regulation, will transmit and the corresponding brightness regulated signal of preserving in advance of peripheral brightness.(S230)(S250)
According to the brightness regulated signal that is transmitted, regulate the brightness of display device.(S260)
Claims (2)
1, a kind of display device capable of automatic regulating brightness, its feature comprises:
The Photoinduction device of sensing periphery brightness;
The signal that above-mentioned Photoinduction device is sensed carries out the amplitude device that amplification is handled;
With the signal that above-mentioned amplitude device amplification was handled, be converted to the A/D conversion equipment of digital signal;
Directly regulate the finger-impu system of brightness for the user;
Signal according to above-mentioned A/D conversion equipment input, transmit the brightness regulated signal of preserving in advance, and when regulating brightness by above-mentioned finger-impu system by the user, compare with the brightness regulation value of prior preservation, calculate and preserve compensating value then, and transmit the control device of the brightness regulated signal of being preserved;
The save set of the brightness compensating value that preservation calculates according to the brightness regulation value and the above-mentioned control device of peripheral brightness;
According to the signal of above-mentioned control device, the brightness regulation loop of control brightness;
The display device of display frame.
2, a kind of display device brightness adjusting method capable of automatic regulating brightness, its feature comprises:
Stage one is by the brightness of Photoinduction device sensing periphery;
In the stage two, above-mentioned sensed signal is carried out amplification and A/D conversion process;
Stage three, when the user regulates brightness,, calculate and preserve its compensating value then with comparing of preserving in advance corresponding to the brightness regulation value of peripheral brightness and the brightness regulation value of user's input, transmit the brightness regulated signal of being preserved again;
In the stage four, when the user does not regulate brightness, transmit the brightness regulated signal of preserving in advance corresponding with peripheral brightness;
In the stage five,, regulate the brightness of display device according to the brightness regulated signal that is transmitted.
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CN 200410080640 CN1755793A (en) | 2004-09-29 | 2004-09-29 | Display device capable of automatically adjusting brightness and adjusting method thereof |
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CN 200410080640 CN1755793A (en) | 2004-09-29 | 2004-09-29 | Display device capable of automatically adjusting brightness and adjusting method thereof |
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Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101765265A (en) * | 2008-12-26 | 2010-06-30 | 英业达股份有限公司 | Keyboard backlight device and control method thereof |
CN102595172A (en) * | 2011-12-06 | 2012-07-18 | 四川长虹电器股份有限公司 | Displaying method of 3D (three-dimensional) image |
CN102737611A (en) * | 2011-04-01 | 2012-10-17 | 和硕联合科技股份有限公司 | Method for automatically adjusting brightness of display and portable electronic device |
CN103582254A (en) * | 2013-10-18 | 2014-02-12 | 安徽华印机电股份有限公司 | Intelligent energy-saving workshop lighting control device |
CN105094356A (en) * | 2014-04-30 | 2015-11-25 | 鸿富锦精密工业(武汉)有限公司 | Computer monitor adjusting system and method |
CN105513563A (en) * | 2015-12-05 | 2016-04-20 | 中国航空工业集团公司洛阳电光设备研究所 | Digitized head-up display brightness control device |
CN111590639A (en) * | 2020-06-08 | 2020-08-28 | 广东电网有限责任公司 | Automatic light supplementing system and method for transformer substation inspection robot and inspection robot |
-
2004
- 2004-09-29 CN CN 200410080640 patent/CN1755793A/en active Pending
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101765265A (en) * | 2008-12-26 | 2010-06-30 | 英业达股份有限公司 | Keyboard backlight device and control method thereof |
CN101765265B (en) * | 2008-12-26 | 2013-07-17 | 英业达股份有限公司 | Keyboard backlight device and control method thereof |
CN102737611A (en) * | 2011-04-01 | 2012-10-17 | 和硕联合科技股份有限公司 | Method for automatically adjusting brightness of display and portable electronic device |
CN102595172A (en) * | 2011-12-06 | 2012-07-18 | 四川长虹电器股份有限公司 | Displaying method of 3D (three-dimensional) image |
CN103582254A (en) * | 2013-10-18 | 2014-02-12 | 安徽华印机电股份有限公司 | Intelligent energy-saving workshop lighting control device |
CN105094356A (en) * | 2014-04-30 | 2015-11-25 | 鸿富锦精密工业(武汉)有限公司 | Computer monitor adjusting system and method |
CN105513563A (en) * | 2015-12-05 | 2016-04-20 | 中国航空工业集团公司洛阳电光设备研究所 | Digitized head-up display brightness control device |
CN111590639A (en) * | 2020-06-08 | 2020-08-28 | 广东电网有限责任公司 | Automatic light supplementing system and method for transformer substation inspection robot and inspection robot |
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