CN103632619A - Display device, electronic device and display method - Google Patents
Display device, electronic device and display method Download PDFInfo
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- CN103632619A CN103632619A CN201210301870.3A CN201210301870A CN103632619A CN 103632619 A CN103632619 A CN 103632619A CN 201210301870 A CN201210301870 A CN 201210301870A CN 103632619 A CN103632619 A CN 103632619A
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Abstract
The invention discloses a transparent display device, an electronic device with the transparent display device and a display method used for the display device and the electronic device. The display device comprises a liquid crystal module and a backlight module, wherein the backlight module is arranged on the lower portion of the liquid crystal module and used for providing illumination backlight for the liquid crystal module. The backlight module further comprises a light source unit and a reflection unit, wherein the light source unit is used for emitting the illumination backlight, the reflection unit is used for reflecting the illumination backlight emitted by the light source unit to the liquid crystal module, and the reflecting unit has the high reflectivity on light with the specific wave length.
Description
Technical field
The present invention relates to field of display devices, more specifically, the present invention relates to a kind of transparent display, utilize the electronic equipment of this transparent display and for the display packing of this display device and electronic equipment.
Background technology
In recent years, along with the development of the technology such as microelectric technique, photoelectron technology, computer technology, the information processing technology, as the transparent display technique of one of augmented reality (Augmented Reality technique), become the focus of display device research field.Transparent demonstration has wide range of application, it can merge the technology such as multiple point touching, intelligent display, terminal as public information display, be used in the every field such as general merchandise display window, refrigerator doors perspective, windshield glass of automobile, automatic vending machine, there is the synergies such as displaying, interaction, advertisement.In addition,, in double-display screen configuration, in the time of on transparent display device is folded into second display screen, system can be for checking 3D content.
At present, transparent display is mainly realized based on Organic Light Emitting Diode (OLED) display device, its cardinal principle is the stacked anode consisting of transparency electrode, hole transmission layer, luminescent layer on clear glass base plate, and electron transfer layer, negative electrode, then seal with encapsulant.By on-load voltage between electrode, hole and electronics in luminescent layer again in conjunction with and luminous carry out to show.Yet, although OLED displaying appliance have without feature backlight, thereby make sized display common backlight liquid crystal display relative to power consumption less, with respect to LCD, there is short defect in serviceable life in OLED display.OLED can only reach approximately 5000 working hours at present, can be obviously inferior up to 10000 working hours compared with present LCD, especially when transparent display is applied to general merchandise display window, refrigerator doors perspective, windshield glass of automobile, automatic vending machine etc. and need to grows the field of working time, the transparent display based on OLED is often limited by its relatively short life-span.In addition, OLED also deposits a very large problem, is exactly that digestion time is asynchronous, this means that the speed of red, green, blue diode decline is different, and this can cause showing image fault.Aspect manufacturing process, producing transparent OLED display device use large size panel in batches is also a challenge.
In view of aforementioned, except transparent OLED display device, such as the traditional backlight type display device of LCD due to its long service life, do not exist aging asynchronous defect and large scale worker to make ripe advantage, also will become one of preferred solution of following transparent display.In the backlight module of traditional backlight suitable for display devices, there is the reflector element such as reflector plate, for the illumination backlight of light source cell transmitting is carried out to usable reflection.This reflector element becomes the parts that obstruction backlight suitable for display devices is realized transparent demonstration.Therefore, be desirable to provide a kind of transparent display, utilize the electronic equipment of this transparent display and for the display packing of this display device and electronic equipment, its backlight suitable for display devices based on traditional is realized transparent demonstration, and the serviceable life of further reducing adaptively the power consumption of this transparent display and having extended display device.
Summary of the invention
Because above-mentioned situation, the invention provides a kind of transparent display, utilize the electronic equipment of this transparent display and for the display packing of this display device and electronic equipment.
According to one embodiment of present invention, provide a kind of display device, having comprised: Liquid Crystal Module; Backlight module, is arranged in described Liquid Crystal Module bottom, is used to described Liquid Crystal Module that illumination backlight is provided; Wherein, described backlight module further comprises light source cell, backlight for emissive lighting; And reflector element, for the illumination backlight of described light source cell transmitting is reflected to described Liquid Crystal Module, wherein, described reflector element has high reflectance for the light of specific wavelength.
In addition, display device according to an embodiment of the invention, wherein said backlight module also comprises light intensity detecting unit, for detection of passing through the transmitted light of described reflector element from the outside transmission of described display device, and according to the testing result of described light intensity detecting unit, described light source cell is dynamically controlled emissive lighting back of the body light intensity.
In addition, display device according to an embodiment of the invention, wherein when described light intensity detecting unit detects described transmission light intensity and is equal to or higher than predetermined threshold, described light source cell strengthens the intensity of illumination backlight, and when described light intensity detecting unit detects described transmission light intensity lower than predetermined threshold, described light source cell weakens the intensity of illumination backlight.
In addition, display device according to an embodiment of the invention, wherein said reflector element has high-transmission rate for the light outside specific wavelength described in visible-range.
In addition, display device according to an embodiment of the invention, wherein said specific wavelength is the wavelength corresponding to three primary colours.
In addition, display device according to an embodiment of the invention, wherein said light source cell is launched the narrow spectrum width illumination light of described specific wavelength.
In addition, display device according to an embodiment of the invention, wherein said Liquid Crystal Module is transparent.
In addition, display device according to an embodiment of the invention, wherein said backlight module also comprises light guide plate.
According to another embodiment of the present invention, provide a kind of electronic equipment, having comprised: display device; Power supply unit, is used to described display device power supply; Power control unit, for controlling described power supply unit, wherein said display device comprises Liquid Crystal Module; Backlight module, is arranged in described Liquid Crystal Module bottom, is used to described Liquid Crystal Module that illumination backlight is provided; Wherein, described backlight module further comprises light source cell, backlight for emissive lighting; And reflector element, for the illumination backlight of described light source cell transmitting is reflected to described Liquid Crystal Module, wherein, described reflector element has high reflectance for the light of specific wavelength.
In addition, electronic equipment according to another embodiment of the present invention, wherein said backlight module also comprises light intensity detecting unit, for detection of passing through the transmitted light of described reflector element from the outside transmission of described display device, wherein, when described light intensity detecting unit detects described transmission light intensity and is equal to or higher than predetermined threshold, described light intensity detecting unit sends the first power control signal to described power control unit, and described power control unit is based on described the first power control signal, controlling described power supply unit strengthens as described light source cell power supply, when described light intensity detecting unit detects described transmission light intensity lower than predetermined threshold, described light intensity detecting unit sends second source control signal to described power control unit, and described power control unit is based on described second source control signal, controlling described power supply unit weakens as described light source cell power supply.
In addition, electronic equipment according to another embodiment of the present invention, wherein said reflector element has high-transmission rate for the light outside specific wavelength described in visible-range.
In addition, electronic equipment according to another embodiment of the present invention, wherein said specific wavelength is the wavelength corresponding to three primary colours.
In addition, electronic equipment according to another embodiment of the present invention, wherein said light source cell is launched the narrow spectrum width illumination light of described specific wavelength.
In addition, electronic equipment according to another embodiment of the present invention, wherein said Liquid Crystal Module is transparent.
In addition, electronic equipment according to another embodiment of the present invention, wherein said backlight module also comprises light guide plate.
According to still another embodiment of the invention, provide a kind of display packing, be applied in an electronic equipment, electronic equipment, comprising: display device, power supply unit, is used to described display device power supply, power control unit, for controlling described power supply unit, wherein said display device comprises Liquid Crystal Module, backlight module, is arranged in described Liquid Crystal Module bottom, is used to described Liquid Crystal Module that illumination backlight is provided, wherein, described backlight module further comprises light source cell, backlight for emissive lighting, reflector element, for the illumination backlight of described light source cell transmitting is reflected to described Liquid Crystal Module, described reflector element has high reflectance for the light of specific wavelength, and light intensity detecting unit, for detection of passing through the transmitted light of described reflector element from the outside transmission of described display device, described display packing comprises: described light intensity detecting unit detects described transmission light intensity, generate and send first or second source control signal to described power control unit, and described power control unit is based on described first or second source control signal, controlling described power supply unit is described light source cell power supply, wherein, when described light intensity detecting unit detects described transmission light intensity and is equal to or higher than predetermined threshold, described light intensity detecting unit generates described the first power control signal, and described power control unit is based on described the first power control signal, controlling described power supply unit strengthens as described light source cell power supply, when described light intensity detecting unit detects described transmission light intensity lower than predetermined threshold, described light intensity detecting unit generates described second source control signal, and described power control unit is based on described second source control signal, controlling described power supply unit weakens as described light source cell power supply.
According to the transparent display of the embodiment of the present invention, utilize the electronic equipment of this transparent display and for the display packing of this display device and electronic equipment, its backlight suitable for display devices based on traditional is realized transparent demonstration, and the serviceable life of further reducing adaptively the power consumption of this transparent display and having extended display device.
It being understood that general description and detailed description below are above both exemplary, and the further illustrating of the intention technology that is to provide claimed.
Accompanying drawing explanation
Fig. 1 is that diagram application is according to the block diagram of the electronic equipment of the display device of the embodiment of the present invention;
Fig. 2 is that diagram is according to the schematic diagram of the reflection characteristic of reflector element in the display device of the embodiment of the present invention;
Fig. 3 is that diagram is according to the schematic diagram of the spectral characteristic of light source cell in the display device of the embodiment of the present invention; And
Fig. 4 is that diagram is according to the process flow diagram of the display packing of the embodiment of the present invention.
Embodiment
Below, with reference to accompanying drawing, describe the preferred embodiments of the present invention in detail.
First, with reference to Fig. 1, application is described according to the electronic equipment of the display device of the embodiment of the present invention.Described electronic equipment is for example preferably smart mobile phone, personal digital assistant, panel computer, notebook computer and any equipment that comprises display device.
Fig. 1 is that diagram application is according to the block diagram of the electronic equipment of the display device of the embodiment of the present invention.As shown in Figure 1, according to the electronic equipment 1 of the embodiment of the present invention, comprise display device 10, power supply unit 20 and power control unit 30.Be noted that for simplified characterization, in Fig. 1, only show said modules.Those skilled in the art will readily understand, according to the electronic equipment 1 of the embodiment of the present invention, can also comprise other assemblies, such as CPU (central processing unit), input-output unit, communication unit etc.
The concrete configuration of display device 10 in electronic equipment 1 will be described in detail below.As shown in Figure 1, described display device 10 comprises Liquid Crystal Module 101 and backlight module 102.
As the skilled person easily understood, Liquid Crystal Module 101 generally includes the liquid crystal layer being clamped by upper lower glass substrate between upper and lower polaroid, upper and lower polaroid and is arranged in the chromatic filter in top glass substrate.For simplified characterization, at this, will the 26S Proteasome Structure and Function of each ingredient in Liquid Crystal Module 101 be specifically discussed.It should be noted that in order to realize transparent demonstration, according in the display device 10 of the embodiment of the present invention, described Liquid Crystal Module 101 is transparent.
As shown in Figure 1, backlight module 102 is arranged in described Liquid Crystal Module 101 bottoms, is used to described Liquid Crystal Module 101 that illumination backlight is provided.Described backlight module 101 further comprises light source cell 1021, backlight for emissive lighting, and reflector element 1023, for the illumination backlight of described light source cell 1021 transmittings is reflected to described Liquid Crystal Module 101.
In order to realize the transparent demonstration of display device 10, according to the backlight module 102 of the embodiment of the present invention, need to make the illumination backlight by described light source cell 1021 transmittings to be reflected back described Liquid Crystal Module 101 simultaneously, and can transmission pass through described backlight module 102 from outside natural light, and transmission is passed through transparent Liquid Crystal Module 101 by the further transmission of light of backlight module 102, to outwards present transparent display effect.That is to say, described reflector element 1023 has high reflectance for the light of specific wavelength.Because the overwhelming majority colour of occurring in nature can be mixed to get by a certain percentage by three kinds of primary colours (RGB), otherwise any one colour all can be broken down into three kinds of primary colours; And the brightness of the colorama being obtained by mixing by three primary colours equals the brightness sum of each primary colours of participation mixing; In addition the ratio of three primary colours has determined the color harmony color saturation of color mixture, therefore select described reflector element 1023 to there is high reflectance for the light corresponding to three primary colours, can obtain by controlling the three primary colours illumination light of mixed reflection the illumination light of any required color and brightness.In a preferred embodiment of the invention, by plated film, make described reflector element 1023 there is specific reflection as above and transmissison characteristic.Those of ordinary skill in the art easily understands, and the invention is not restricted to this, can be for having any optical device of required transmission and reflection characteristic according to the described reflector element 1023 of the embodiment of the present invention.
Correspondingly, the narrow spectrum width illumination light corresponding to three primary colours according to light source cell 1021 transmittings of the embodiment of the present invention.In a preferred embodiment of the invention, described light source cell 1021 consists of the narrow spectrum laser array of transmitting three primary colours.Those of ordinary skill in the art easily understands, and the invention is not restricted to this, can be for launching any optical device of the narrow spectrum width illumination light of required three primary colours according to the described light source cell 1021 of the embodiment of the present invention.
By adopting above-mentioned configuration, described reflector element 1023 is fully reflected back described backlight module 102 by the narrow spectrum width illumination light corresponding to three primary colours by described light source cell 1021 transmittings.In addition, described reflector element 1023 passes through other wavelength light transmissions outside the narrow spectrum of three primary colours, and final transmission is by transparent Liquid Crystal Module 101.That is to say, by making described reflector element 1023 there is above-mentioned transmission and reflection characteristic, and make the corresponding narrow spectrum width illumination light of described light source cell 1021 transmitting, realized the transparent demonstration of the backlight suitable for display devices based on traditional.
Below with reference to Fig. 2 and Fig. 3, the reflection characteristic of reflector element 1023 and the spectral characteristic of light source cell 1021 are described according to the present invention.
Fig. 2 is that diagram is according to the schematic diagram of the reflection characteristic of reflector element in the display device of the embodiment of the present invention.As shown in Figure 2, described reflector element 1023 is for wavelength 594-604nm(R), 550-560nm(G) and primary lights 467-477nm(B) there is the reflectivity up to 95%, and very low for the reflection of light rate of other wavelength, thereby allow the light transmission of other wavelength to pass through.
Fig. 3 is that diagram is according to the schematic diagram of the spectral characteristic of light source cell in the display device of the embodiment of the present invention.As shown in Figure 3, described light source cell 1021 is at centre wavelength 599nm(R), 555nm(G) and 472nm(B) to locate to launch relative luminous intensity be 100% narrow spectrum width illumination light.
Referring to figs. 1 through Fig. 3, the preferred disposition that realizes transparent demonstration by light source cell 1021 and reflector element 1023 has been described above.As shown in Figure 1, according to the display device 10 of the embodiment of the present invention, also comprise light intensity detecting unit 1022.Described light intensity detecting unit 1022 is for detection of passing through the transmitted light of described reflector element 1023 from the outside transmission of described display device 10.
Particularly, when described light intensity detecting unit 1022 detects described transmission light intensity and is equal to or higher than predetermined threshold, described light intensity detecting unit 1022 sends the first power control signal to described power control unit 30, and described power control unit 30, based on described the first power control signal, is controlled described power supply unit 20 and is strengthened as described light source cell 1021 power supplies.
When described light intensity detecting unit 1022 detects described transmission light intensity lower than predetermined threshold, described light intensity detecting unit 1022 sends second source control signal to described power control unit 30, and described power control unit 30, based on described second source control signal, is controlled described power supply unit 20 and is weakened as described light source cell 1021 power supplies.
In a preferred embodiment of the invention, described predetermined threshold can be made as 150cd/cm
2.Certainly, those of ordinary skill in the art easily understands, and the invention is not restricted to this, and described predetermined threshold can be made as the different threshold values that meet different transparent demonstration demands.
In a preferred embodiment of the invention, described display device 10 has two duties, be respectively transmission and by described reflector element 1023, to arrive the transmission light intensity of described Liquid Crystal Module 101, be equal to or higher than the first duty of predetermined threshold, and transmission by described reflector element 1023 to arrive the transmission light intensity of described Liquid Crystal Module 101 lower than the second duty of predetermined threshold.
Under described the first duty, transmission is enough strong to arrive the transmission light intensity of described Liquid Crystal Module 101 by described reflector element 1023, so described light intensity detecting unit 1022 sends the first power control signal to described power control unit 30, to control described power supply unit 20, strengthen as described light source cell 1021 power supplies.That is to say, under described the first duty, the power supply by further enhancing to described light source cell 1021, further improves the intensity of the illumination backlight of described light source cell 1021 transmittings, thereby improves the visibility that shows image in described display device 10.
Under described the second duty, the 1022 judgement transmissions of described light intensity detecting unit by described reflector element 1023 with the transmission light intensity that arrives described Liquid Crystal Module 101 enough a little less than, so described light intensity detecting unit 1022 sends second source control signal to described power control unit 30, to control described power supply unit 20, weaken described light source cell 1021 power supplies.That is to say, under described the second duty, by weakening the power supply to described light source cell 1021, weaken the intensity of the illumination backlight of described light source cell 1021 transmittings, thereby in the situation that guarantee to show that the visibility of image reduces the power consumption of described display device 10 in described display device 10, and extended the serviceable life of described display device 10.
Next, with reference to Fig. 4, further describe the display packing according to the embodiment of the present invention.
Fig. 4 is that diagram is according to the process flow diagram of the display packing of the embodiment of the present invention.As shown in Figure 4, according to the display packing of the embodiment of the present invention, comprise:
In step S401, described light intensity detecting unit 1022 detects from the outside transmission of described display device 10 by the transmission light intensity of described reflector element 1023.After this, process and enter step S402.
In step S402, judge whether described transmission light intensity is more than or equal to predetermined threshold.
When obtain positive result in step S402 in the situation that, described transmission light intensity is equal to or higher than predetermined threshold, processes and enters step S403.In step S403, described light intensity detecting unit 1022 sends the first power control signal to described power control unit 30.After this, process and enter step S404.
In step S404, described power control unit 30, based on described the first power control signal, is controlled described power supply unit 20 and is strengthened as described light source cell 1021 power supplies.After this, process and return to step S401.
On the contrary, when obtain negative decision in step S402 in the situation that, described transmission light intensity, lower than predetermined threshold, is processed and is entered step S405.In step S405, described light intensity detecting unit 1022 sends second source control signal to described power control unit 30.After this, process and enter step S406.
In step S406, described power control unit 30, based on described second source control signal, is controlled described power supply unit 20 and is weakened as described light source cell 1021 power supplies.After this, process and return to step S401.
That is to say, by according to the display packing of the embodiment of the present invention, realized the real-time monitoring of described transmission light intensity.At described transmission light intensity, meet while predetermined condition being set for described display device 10, strengthen as described light source cell 1021 power supplies, thereby strengthen from the illumination light intensity of described light source cell 1021 transmittings, to guarantee to show in described display device 10 visibility of image.Once and described transmission light intensity is lower than being the predetermined condition that described display device 10 arranges, correspondingly weaken as described light source cell 1021 power supplies, thereby correspondingly weaken from the illumination light intensity of described light source cell 1021 transmittings.By this adaptive power management, in the situation that guarantee that the visibility that shows image has realized efficient power supply, and extended the serviceable life of line related unit and lighting unit.
Above, referring to figs. 1 through Fig. 4, described transparent display according to the embodiment of the present invention, utilized the electronic equipment of this transparent display and for the display packing of this display device and electronic equipment, its backlight suitable for display devices based on traditional is realized transparent demonstration, and in the situation that guarantees to show the serviceable life that the visibility of image further reduces adaptively the power consumption of this transparent display and extended display device.
It should be noted that, in this manual, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, method, article or the equipment that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, article or equipment.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
Finally, also it should be noted that, above-mentioned a series of processing not only comprise the processing of carrying out by time series with order described here, and comprise parallel or respectively rather than the processing of carrying out in chronological order.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add essential hardware platform by software and realize, and can certainly all by hardware, implement.Understanding based on such, what technical scheme of the present invention contributed to background technology can embody with the form of software product in whole or in part, this computer software product can be stored in storage medium, as ROM/RAM, magnetic disc, CD etc., comprise that some instructions are with so that a computer equipment (can be personal computer, server, or the network equipment etc.) carry out the method described in some part of each embodiment of the present invention or embodiment.
Above the present invention is described in detail, has applied specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment is just for helping to understand method of the present invention and core concept thereof; , for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention meanwhile.
Claims (16)
1. a display device, comprising:
Liquid Crystal Module;
Backlight module, is arranged in described Liquid Crystal Module bottom, is used to described Liquid Crystal Module that illumination backlight is provided;
Wherein, described backlight module further comprises
Light source cell, backlight for emissive lighting; And
Reflector element, for the illumination backlight of described light source cell transmitting is reflected to described Liquid Crystal Module,
Wherein, described reflector element has high reflectance for the light of specific wavelength.
2. display device as claimed in claim 1, wherein said backlight module also comprises light intensity detecting unit, for detection of passing through the transmitted light of described reflector element from the outside transmission of described display device, and according to the testing result of described light intensity detecting unit, described light source cell is dynamically controlled emissive lighting back of the body light intensity.
3. display device as claimed in claim 2, wherein, when described light intensity detecting unit detects described transmission light intensity and is equal to or higher than predetermined threshold, described light source cell strengthens the intensity of illumination backlight, and
When described light intensity detecting unit detects described transmission light intensity lower than predetermined threshold, described light source cell weakens the intensity of illumination backlight.
4. display device as claimed in claim 1, wherein said reflector element has high-transmission rate for the light outside specific wavelength described in visible-range.
5. display device as claimed in claim 1, wherein said specific wavelength is the wavelength corresponding to three primary colours.
6. display device as claimed in claim 4, wherein said light source cell is launched the narrow spectrum width illumination light of described specific wavelength.
7. the display device as described in claim 1 to 6 arbitrary, wherein said Liquid Crystal Module is transparent.
8. the display device as described in claim 1 to 6 arbitrary, wherein said backlight module also comprises light guide plate.
9. an electronic equipment, comprising:
Display device;
Power supply unit, is used to described display device power supply;
Power control unit, for controlling described power supply unit, wherein
Described display device comprises
Liquid Crystal Module;
Backlight module, is arranged in described Liquid Crystal Module bottom, is used to described Liquid Crystal Module that illumination backlight is provided;
Wherein, described backlight module further comprises
Light source cell, backlight for emissive lighting; And
Reflector element, for the illumination backlight of described light source cell transmitting is reflected to described Liquid Crystal Module,
Wherein, described reflector element has high reflectance for the light of specific wavelength.
10. electronic equipment as claimed in claim 9, wherein said backlight module also comprises light intensity detecting unit, for detection of from the outside transmission of described display device by the transmitted light of described reflector element,
Wherein, when described light intensity detecting unit detects described transmission light intensity and is equal to or higher than predetermined threshold, described light intensity detecting unit sends the first power control signal to described power control unit, and described power control unit is based on described the first power control signal, controlling described power supply unit strengthens as described light source cell power supply
When described light intensity detecting unit detects described transmission light intensity lower than predetermined threshold, described light intensity detecting unit sends second source control signal to described power control unit, and described power control unit, based on described second source control signal, is controlled described power supply unit and is weakened as described light source cell power supply.
11. electronic equipments as claimed in claim 9, wherein said reflector element has high-transmission rate for the light outside specific wavelength described in visible-range.
12. electronic equipments as claimed in claim 9, wherein said specific wavelength is the wavelength corresponding to three primary colours.
13. electronic equipments as claimed in claim 12, wherein said light source cell is launched the narrow spectrum width illumination light of described specific wavelength.
14. electronic equipments as described in claim 9 to 13 arbitrary, wherein said Liquid Crystal Module is transparent.
15. electronic equipments as described in claim 9 to 13 arbitrary, wherein said backlight module also comprises light guide plate.
16. 1 kinds of display packings, are applied in an electronic equipment, and electronic equipment, comprising: display device; Power supply unit, is used to described display device power supply; Power control unit, for controlling described power supply unit, wherein said display device comprises Liquid Crystal Module; Backlight module, is arranged in described Liquid Crystal Module bottom, is used to described Liquid Crystal Module that illumination backlight is provided; Wherein, described backlight module further comprises light source cell, backlight for emissive lighting; Reflector element, for the illumination backlight of described light source cell transmitting is reflected to described Liquid Crystal Module, described reflector element has high reflectance for the light of specific wavelength; And light intensity detecting unit, for detection of passing through the transmitted light of described reflector element from the outside transmission of described display device, described display packing comprises:
Described light intensity detecting unit detects described transmission light intensity, generate and send first or second source control signal to described power control unit; And
Described power control unit is based on described first or second source control signal, and controlling described power supply unit is described light source cell power supply,
Wherein, when described light intensity detecting unit detects described transmission light intensity and is equal to or higher than predetermined threshold, described light intensity detecting unit generates described the first power control signal, and described power control unit is based on described the first power control signal, control described power supply unit and strengthen described light source cell power supply
When described light intensity detecting unit detects described transmission light intensity lower than predetermined threshold, described light intensity detecting unit generates described second source control signal, and described power control unit, based on described second source control signal, is controlled described power supply unit and is weakened as described light source cell power supply.
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| CN108962027A (en) * | 2018-07-08 | 2018-12-07 | 王子韩 | A kind of double screen outdoor advertisement device shown based on transparent flexible |
| CN108957862A (en) * | 2018-10-09 | 2018-12-07 | 京东方科技集团股份有限公司 | Transparent display and container |
| CN109920393A (en) * | 2017-12-12 | 2019-06-21 | 北京小米移动软件有限公司 | Back light brightness regulating method and device |
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| CN109920393A (en) * | 2017-12-12 | 2019-06-21 | 北京小米移动软件有限公司 | Back light brightness regulating method and device |
| CN108962027A (en) * | 2018-07-08 | 2018-12-07 | 王子韩 | A kind of double screen outdoor advertisement device shown based on transparent flexible |
| CN108957862A (en) * | 2018-10-09 | 2018-12-07 | 京东方科技集团股份有限公司 | Transparent display and container |
| CN108957862B (en) * | 2018-10-09 | 2022-05-10 | 京东方科技集团股份有限公司 | Transparent display device and container |
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