CN111583846B - Laser display equipment - Google Patents
Laser display equipment Download PDFInfo
- Publication number
- CN111583846B CN111583846B CN202010350569.6A CN202010350569A CN111583846B CN 111583846 B CN111583846 B CN 111583846B CN 202010350569 A CN202010350569 A CN 202010350569A CN 111583846 B CN111583846 B CN 111583846B
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- display
- temperature
- configuration register
- laser
- module
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- 238000001514 detection method Methods 0.000 claims abstract description 17
- 230000004913 activation Effects 0.000 claims 1
- 239000003086 colorant Substances 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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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
-
- 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
- G09G3/2003—Display of colours
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/06—Adjustment of display parameters
- G09G2320/0626—Adjustment of display parameters for control of overall brightness
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Semiconductor Lasers (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The invention discloses a laser display device, which comprises a configuration register, a display module, a plurality of temperature zone configuration registers and an adjustment module, wherein the configuration register is used for storing a plurality of temperature zone configuration registers; the configuration register stores display parameters of the laser display device; the display module reads the display parameters of the configuration register to adjust the display of the laser display device; the temperature zone configuration registers are contained in the configuration registers, each temperature zone configuration register corresponds to one temperature zone, and display parameters related to the corresponding temperature zone are stored; the temperature detection device detects the temperature in the box of the laser display device; the adjusting module controls the display module to read the display parameters from the temperature zone configuration register corresponding to the temperature zone to adjust the display; according to the invention, the display of the laser display device is related to the temperature in the box, and when the temperature in the box is too low, the display can be regulated to a normal state by reading the display parameters stored in the configuration register corresponding to the low temperature zone, so that the technical problem that the display of the laser display device is reddish at low temperature is solved.
Description
Technical Field
The invention belongs to the technical field of laser display, and particularly relates to laser display equipment.
Background
The laser display adopts a high-power monochromatic laser as a light source to form full color in a mixed mode, the color gamut coverage rate can reach more than 90% of the color space which can be identified by human eyes, and the color which is rich and gorgeous in objective world can be reproduced most truly.
However, in a two-color or three-color laser product, the luminous efficiency of the red laser is greatly affected by the external temperature; when the external environment temperature is low, the temperature in the display equipment body can not reach the temperature required by the laser, and the red proportion fluctuation of the synthesized white field can be larger, so that the whole display picture is reddish, and especially the skin color of the human face is more obvious in visual redness. In addition, in the laser display device, since the coherence of the laser light generates a speckle effect, a bright portion is shown with a bright spot, and when a case of reddening of the display skin color occurs due to a low external temperature, the speckle effect is more remarkable, causing discomfort to the human eye.
In general, the user has the highest attention to the characters in the display screen, so that when the condition of reddening of skin color occurs due to the excessively low temperature of the external environment, the display effect of the product is reduced.
Disclosure of Invention
The invention aims to provide a laser display device, which solves the technical problem that the existing laser display device displays reddening at low temperature.
The invention is realized by adopting the following technical scheme:
There is provided a laser display device including: a configuration register for storing display parameters of the laser display device; the display parameters include a brightness parameter, a hue parameter, and a saturation parameter; the display module is used for reading the display parameters of the configuration register to adjust the display of the laser display device; further comprises: a plurality of temperature zone configuration registers contained in the configuration registers; each temperature zone configuration register corresponds to one temperature zone and is used for storing display parameters related to the corresponding temperature zone; the temperature detection device is used for detecting the temperature in the box of the laser display equipment; the adjusting module is used for determining a temperature interval of the temperature in the box, and controlling the display module to read the display parameters from a temperature area configuration register corresponding to the temperature interval to adjust the display.
Compared with the prior art, the invention has the advantages and positive effects that: the laser display device provided by the invention is characterized in that a temperature zone configuration register is divided in a configuration register, each temperature zone configuration register corresponds to one temperature zone, and display parameters related to the corresponding temperature zone are stored; the invention relates the display of the laser display device with the temperature in the box, and can automatically call the display parameters related to the temperature in the box, for example, the display parameters which can be normally displayed under the condition that the configuration register in the low temperature zone stores low temperature can be automatically called, when the temperature in the box is too low, the display can be regulated to be in a normal state by reading the display parameters stored in the configuration register corresponding to the low temperature zone, thereby solving the technical problem that the laser display device displays reddening at low temperature.
Other features and advantages of the present invention will become more apparent from the following detailed description of embodiments of the present invention, which is to be read in connection with the accompanying drawings.
Drawings
FIG. 1 is a functional architecture diagram of a first embodiment of a laser display device according to the present invention;
FIG. 2 is a functional architecture diagram of a second embodiment of a laser display device according to the present invention;
FIG. 3 is a functional architecture diagram of a second embodiment of a laser display device according to the present invention;
FIG. 4 is a functional architecture diagram of a second embodiment of a laser display device according to the present invention;
FIG. 5 is a functional architecture diagram of a second embodiment of a laser display device according to the present invention;
Fig. 6 is a functional architecture diagram of a second embodiment of a laser display device according to the present invention.
Detailed Description
The following describes the embodiments of the present invention in further detail with reference to the drawings.
The laser display equipment provided by the invention aims to automatically adjust display to solve the problem of redness when the condition that the display picture is reddish due to low external environment temperature occurs; for this purpose, as shown in fig. 1, the laser display device provided by the present invention includes a configuration register 1, a display module 2, a plurality of temperature zone configuration registers 11, a temperature detection device 3 and an adjustment module 4.
The configuration register 1 is used for storing display parameters of the laser display device; the display parameters include a brightness parameter, a hue parameter, and a saturation parameter; the display module 2 is used for reading the display parameters of the configuration register 1 to adjust the display of the laser display device; a plurality of warm zone configuration registers 11 are included in the configuration register 1; each temperature zone configuration register 11 corresponds to one temperature zone, and stores display parameters related to the corresponding temperature zone; the temperature detection device 3 is used for detecting the temperature in the box of the laser display equipment; the adjusting module 4 is used for determining a temperature interval to which the temperature in the box belongs, and controlling the display module 2 to read display parameters from a temperature area configuration register corresponding to the temperature interval to adjust display.
In the embodiments of the present invention, the display parameters related to the temperature in the box are automatically invoked to adjust the display of the display device, for example, in some embodiments of the present invention, the display parameters that can be normally displayed in the low temperature range may be stored in the configuration register of the low temperature range, and the display parameters are used to improve the problem of reddening of the display.
In some embodiments of the present invention, the critical temperature T0 is taken as a node, and two temperature zone configuration registers 11 are included: the low temperature configuration register and the normal temperature configuration register are shown in the following table one:
List one
| Temperature interval | T<T0 | T>T0 |
| Display parameters | S11 | S12 |
S11 is a display parameter stored in a low-temperature configuration register, wherein the display parameter comprises a brightness parameter, a tone parameter and a saturation parameter; s12 is a display parameter stored in the normal temperature configuration register, including a luminance parameter, a hue parameter, and a saturation parameter. Wherein, the three display parameters in S11 correspond to the configuration data capable of improving the redness problem, and when the external environment temperature is too low, and the temperature in the box of the laser display device is lower than T0 degrees, the display module 2 reads the display parameters from the low-temperature configuration register to adjust the display, thereby improving the redness problem.
Aiming at the problem that the overall display of the laser display device is reddish and the skin color is particularly obvious under the low temperature condition, in some embodiments of the invention, as shown in fig. 2 and the following table II, each temperature zone configuration register 11 is divided into a skin color configuration register 11A, a color development configuration register 11B and/or a lip color configuration register 11C, wherein the skin color configuration register 11A stores display parameters for displaying corresponding color segments of the skin color in a color gamut; the color development configuration register 11B stores display parameters of corresponding color segments of the display color in the color gamut; the lip configuration register 11C stores display parameters of the display lip-corresponding color segments in the color gamut.
Watch II
| Temperature interval | T<T0 | T>T0 |
| Skin color | F11 | F12 |
| Color development | H11 | H12 |
| Lip color | L11 | L12 |
In some embodiments of the present invention, to enhance the adjustment effect on the local display, the skin tone configuration register 11A may also specifically be subdivided into a highlight skin tone configuration register, a mid-bright skin tone configuration register, a dark skin tone configuration register, and the like.
In some implementations of the present invention, as shown in fig. 3, the laser display apparatus further includes a ring temperature detection module 5 and a temperature detection device starting module 6, which are configured to obtain an external environment temperature Th, and start the temperature detection device 3 and the adjustment module 4 when the external environment temperature Th is lower than the low temperature threshold Th. When the external environment temperature Th is higher than the low temperature threshold Th, the display module 2 in the embodiment of the invention reads the display parameters from the normal temperature configuration register, and when the external environment temperature Th is lower than the low temperature threshold Th, the temperature detection device 3 is started to detect the temperature in the box, the temperature interval to which the temperature in the box belongs is determined to be T < T0, and the display module 2 reads the display parameters from the low temperature configuration register to ensure that the display picture is not reddish.
In some embodiments of the present invention, as shown in fig. 4, the laser display device further includes a fan 7 and a fan control module 8, the fan 7 being used to reduce the temperature in the cabinet of the laser display device; when the external environment temperature Th is higher than the low temperature threshold TH, the fan control module 8 controls the rotating speed of the fan 7 in a conventional manner to adjust the temperature in the box of the laser display device to be above the critical temperature T0, and the display module 2 reads display parameters from the normal temperature configuration register; when the external environment temperature Th is lower than the low temperature threshold TH, the fan control module 8 firstly controls the rotating speed of the fan 7 to be reduced to the lowest rotating speed, and operates for a set time; in the set time, if the lowest rotation speed of the fan 7 can maintain the temperature in the box above the critical temperature T0, the display module 2 still reads the display parameters from the normal temperature configuration register; if the fan 7 can not maintain the temperature in the box above the critical temperature T0 even if running at the lowest rotation speed within the set time, the temperature detection device 3 is started, the temperature detection device 3 detects the temperature in the box, the temperature interval to which the temperature in the box belongs is determined to be T < T0, and the display module 2 reads the display parameters from the low-temperature configuration register to ensure that the display picture is not reddish.
In some embodiments of the present invention, as shown in fig. 5, each of the warm zone configuration registers 11 is composed of a plurality of luminance configuration units 111, and each of the luminance configuration units 111 stores a display parameter under one luminance condition; the adjusting module 4 includes a display brightness determining unit 41, and when the adjusting module 4 determines a temperature interval to which the temperature in the box belongs, the adjusting module 4 controls the display module 2 to read the display parameters from the temperature area configuration register 11 corresponding to the temperature interval to which the temperature belongs, the display brightness determining unit 41 further determines the display brightness, and then the adjusting module 4 controls the display module 2 to read the display parameters from the brightness configuration unit corresponding to the display brightness to adjust the display.
As shown in the following table three, each warm area configuration register is composed of a highlight configuration unit, a middle-highlight configuration unit and a low-highlight configuration unit, wherein the highlight configuration unit stores the display parameters of skin color, color development and lip color under the condition of high brightness, the middle-highlight configuration unit stores the display parameters of skin color, color development and lip color under the condition of medium brightness, and the low-highlight configuration unit stores the display parameters of skin color, color development and lip color under the condition of low brightness, so that more comfortable and natural display effects under different brightness are realized.
Watch III
In some embodiments of the present invention, as shown in FIG. 6, the configuration register 1 includes a number of style configuration registers 10 and a display style configuration module 9; each style configuration register 10 stores display parameters in one style mode, such as a ruddy style, a fair style, a natural style, etc., and each style configuration register 10 includes a plurality of warm zone configuration registers 11; the user can set a preferred style mode through the control terminal of the laser display device, and when the external environment temperature Th is higher than the low temperature threshold value TH, the display style configuration module 9 receives a selection instruction for selecting the style mode by the user, and then controls the display module 2 to read display parameters from a style configuration register corresponding to the style mode selected by the user based on the selection instruction so as to adjust display.
In the embodiment shown in table four below, the configuration registers are divided into three style configuration registers, each style pattern register containing a skin tone register, a color register, and a lip tone register that are distinguished by high, medium, and low; taking the example of ruddy style selection by a user as an example, the laser display device judges the brightness of a display picture when the external environment temperature Th is higher than the low temperature threshold TH, reads skin color display parameters, color development display parameters and lip color display parameters from a configuration register corresponding to the brightness of the display picture to configure the skin color, color development and lip color of a task in the display picture, and achieves the best display effect.
Table four
It should be noted that the above description is not intended to limit the invention, but rather the invention is not limited to the above examples, and that variations, modifications, additions or substitutions within the spirit and scope of the invention will be within the scope of the invention.
Claims (7)
1. A laser display device comprising:
a configuration register for storing display parameters of the laser display device; the display parameters include a brightness parameter, a hue parameter, and a saturation parameter;
The display module is used for reading the display parameters of the configuration register to adjust the display of the laser display device;
Characterized by further comprising:
a plurality of temperature zone configuration registers contained in the configuration registers; each temperature zone configuration register corresponds to one temperature zone and is used for storing display parameters related to the corresponding temperature zone;
the temperature detection device is used for detecting the temperature in the box of the laser display equipment;
The adjusting module is used for determining a temperature interval of the temperature in the box, and controlling the display module to read display parameters from a temperature area configuration register corresponding to the temperature interval to adjust display;
The warm zone configuration register is divided into:
The skin color configuration register stores display parameters of corresponding color segments for displaying skin colors in the color gamut;
a color development configuration register for storing the display parameters of the corresponding color segments of the display color in the color gamut;
And/or a lip configuration register storing display parameters of the display lip corresponding color segments in the color gamut.
2. The laser display device according to claim 1, wherein each of the warm zone configuration registers is composed of a plurality of luminance configuration units, each of the luminance configuration units storing a display parameter under one luminance condition;
the adjusting module comprises a display brightness determining unit for determining display brightness;
And when the temperature interval of the temperature in the box is determined, the adjusting module controls the display module to read the display parameters from the temperature area configuration register corresponding to the temperature interval, and further controls the display module to read the display parameters from the brightness configuration unit corresponding to the display brightness based on the display brightness determined by the display brightness determining unit so as to adjust the display.
3. The laser display device of claim 2, wherein the skin tone configuration registers include a dark skin tone configuration register and a light skin tone configuration register.
4. The laser display device of claim 1, wherein the laser display device further comprises:
the ring temperature detection module is used for acquiring the external environment temperature of the laser display equipment;
and the temperature detection device starting module is used for starting the temperature detection device and the adjusting module when the external environment temperature is lower than a low temperature threshold value.
5. The laser display device of claim 4, wherein the laser display device further comprises:
a fan for reducing the temperature in the case of the laser display device;
and the fan control module is used for controlling the rotating speed of the fan to the lowest rotating speed before the temperature detection device is started.
6. The laser display device of claim 5, wherein the temperature detection means activation module is configured to activate the temperature detection means and the adjustment module after the rotational speed of the fan has fallen to a minimum rotational speed and is operated for a set time.
7. The laser display device of claim 2, wherein the configuration register comprises:
a plurality of style configuration registers, each style configuration register storing a display parameter in a style mode; each style configuration register comprises a plurality of warm area configuration registers;
And the display style configuration module is used for receiving a selection instruction for selecting the style mode by a user, and controlling the display module to read the display parameters from the style configuration register corresponding to the style mode selected by the user based on the selection instruction so as to adjust the display.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010350569.6A CN111583846B (en) | 2020-04-28 | 2020-04-28 | Laser display equipment |
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| CN202010350569.6A CN111583846B (en) | 2020-04-28 | 2020-04-28 | Laser display equipment |
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| CN111583846A CN111583846A (en) | 2020-08-25 |
| CN111583846B true CN111583846B (en) | 2024-04-26 |
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