CN2586182Y - Displaying device and its light conductive assembly - Google Patents
Displaying device and its light conductive assembly Download PDFInfo
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- CN2586182Y CN2586182Y CN 02292840 CN02292840U CN2586182Y CN 2586182 Y CN2586182 Y CN 2586182Y CN 02292840 CN02292840 CN 02292840 CN 02292840 U CN02292840 U CN 02292840U CN 2586182 Y CN2586182 Y CN 2586182Y
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Abstract
The utility model discloses a display device, which comprises a panel, a first light source, a second light source, a first light guide board, a second light guide plate and a processor, wherein, the panel comprises a first region and a second region; the first light guide board corresponds to the first region and is used for reflecting and diffusing light of the first light source, and accordingly, the first light source lights the first region; the second light guide plate corresponds to the second region and is used for reflecting and diffusing light of the second light source, and accordingly, the second light source lights the second region; the display status of the panel is judged by the processor to determine the statuses of the first light source and the second light source. Because the first light source and the second light source are not always open, the electric loss can be reduced.
Description
Technical field
The utility model is about a kind of display device, especially in regard to a kind of liquid crystal indicator and leaded light component thereof.
Background technology
Therefore LCD is widely used in each electronic product, for example desktop PC, notebook, mobile phone, personal digital assistant or the like owing to have light, thin characteristic.And the structure of LCD, with transmission-type (transmission type) LCD is example, except that comprising liquid crystal panel, because liquid crystal itself is not luminous, so liquid crystal panel (LC panel) rear needs in addition a backlight module (backlight module) to originate as brightness.
Backlight module generally comprises a light guide plate (light guide plate), and a spontaneous light source (spontaneous light source), for example fluorescent tube, light emitting diode etc.The purpose of light guide plate is that the light that spontaneous light source is sent becomes more even face type light source (surface light), so, when rayed during in liquid crystal panel, just can obtain preferred display effect.
Generally speaking, between action period, spontaneous light source is to start to the spontaneous light source of backlight module always comprehensively in LCD.Yet when the user did not need to inspect some partial data in the LCD, comprehensive startup of spontaneous light source had become a kind of waste.In other words, just when the LCD of electronic product is in the situation of only using the subregion, for example the LCD in the mobile phone is by holding state (stand by), or receive incoming call when idle (idle), because the general number that only need inspect incoming call of user, therefore if the spontaneous light source in the backlight module keeps comprehensive starting state always, this is the loss of quickening electric power far and away.Thus, the user will increase charging times or battery altering number of times.And at present mobile phone screen is a transmitting multimedia data, image data for example, demand grow with each passing day, mobile phone screen has increasing trend for this reason, the problem of power consumption is fractal key more also.
Therefore, under the demand based on the trend of development in science and technology and user, develop and the problem that the product that can reduce energy loss is suitable significant.
The utility model content
The purpose of this utility model is to provide a kind of liquid crystal indicator with multiple light courcess, and wherein the state of each light source is independent control, in order to reach the display purpose of power saving.
Another purpose of the present utility model is to provide a kind of leaded light component, and it has can be with the light that light source sent, and the light guide structure of guiding predetermined direction disturbs or light leak with homogenising light intensity and reduction.
The utility model discloses a kind of liquid crystal indicator, comprises a panel.This liquid crystal panel comprises a first area and a second area.The first area is in order to show one first data, communication information as time, battery capacity, telephone number or reception state etc.And when need showing second complicated data, for example when the pattern that sets of image information, user or more literal etc., can be by second area, or first area and second area show simultaneously.
One first light source is set, a secondary light source, one first light guide plate and one second light guide plate in the panel rear.First light guide plate is corresponding first area, and for the light that reflects first light source, makes first light source illuminate the first area.Second light guide plate is corresponding second area, and for the light that reflects secondary light source, makes secondary light source illuminate second area.
Further dispose some light guide structures on first light guide plate, for example folk prescription is to groove.Groove has the inclined-plane, and this inclined-plane can reflex to the light of first light source zone that first light source can't shine directly into, and makes the brightness of first area comparatively even.Similarly, also dispose light guide structure on second light guide plate, for example two-way groove makes the brightness of second area be able to comparatively even.The liquid crystal indicator of present embodiment further comprises a processor, for the show state of judging panel, with the unlatching that determines first light source and secondary light source, close or luminosity etc.
The purpose of this utility model is achieved in that promptly provides a kind of display device, comprises:
One panel, described panel comprise a first area and a second area;
One first light source, for illuminating described first area, and the state of described first light source comprises one first state and one second state, and wherein, described first light source selectivity independently is in described first state or the described second state state; And
One secondary light source, for illuminating described second area, and the state of described secondary light source comprises a third state and a four condition, and wherein, described secondary light source selectivity independently is in the described third state or described four condition;
Wherein, described first state and the described third state are different from described second state and described four condition respectively.
The advantage of the utility model device is to realize saving electric power, the purpose of extending battery life by according to circumstances opening first or secondary light source respectively.
Can be further understood by following utility model detailed description and appended diagram about advantage of the present utility model and spirit.
Description of drawings
Fig. 1 is the synoptic diagram according to the display device of present embodiment;
Fig. 2 is that light source according to present embodiment is in the synoptic diagram of the light guide plate of tool light guide structure pattern; With
Fig. 3 is the sectional view of I-I ' line segment among Fig. 2.
Symbol description
100 display device, 10 panels
11 first areas, 12 second areas
21 first data, 22 second data
31 first light sources, 32 secondary light sources
41 first light guide plate, 42 second light guide plate
50 light guide structures, 60 treating apparatus
Embodiment
The utility model discloses a kind of display device, and present embodiment is to disclose the liquid crystal indicator that is applied on the mobile phone.Fig. 1 is liquid crystal indicator 100 synoptic diagram of the utility model embodiment, comprises a panel (panel) 10.This liquid crystal panel 10 comprises a first area 11 and a second area 12.The first area is in order to show one first data 21, and second area is in order to show one second data 22.For instance, first data 21 can be general communication informations, as time, battery capacity, telephone number or reception state etc.Second data 22 can be the image datas in the picture, for example the pattern that sets of the image data of Jie Shouing, user or literal etc.
Fig. 2 shows the light source of liquid crystal indicator of present embodiment and the synoptic diagram of light guide plate.Liquid crystal indicator 100 further comprises one first light source (first light source), 31, one secondary light sources 32, one first light guide plate (first light guide plate), 41 and 1 second light guide plate 42 etc., is arranged at panel 10 rears.First light source 31 can be respectively backlight (backlight) with secondary light source 32.First light guide plate 41 is corresponding first areas 11, and for the light that reflects and scattering first light source 31 sends, and make the light of the light source 31 of winning evenly illuminate (illuminate) first area 11.Second light guide plate 42 is corresponding second areas 12, and for the light that reflects and scattering secondary light source 32 sends, and make the light of secondary light source 32 evenly illuminate second area 12.
For can illuminating more equably, the light that first light source 31 is sent further disposes some light guide structure 50, for example grooves on 11, the first light guide plate 41 of first area.Line image shown in Figure 2 is to represent the distribution patterns of light guide structure 50 in light guide plate (41 and 42).The light guide structure 50 of first light guide plate 41 is for having the unidirectional groove on inclined-plane in the present embodiment.Utilize the inclined-plane of groove, the light that first light source 31 sends can be reflexed to the corner of first area 11.Thus, when first light source 31 illuminated first area 11, the brightness meeting of first area 11 was more even, formed a type light source (surface lightsource).Similarly, on second light guide plate 42, also dispose some light guide structures 50, for example have the two-way groove (v-depression) on inclined-plane, make that the brightness of second area 12 is able to more even when secondary light source 32 illuminates second area 12.
In addition, the light guide structure 50 on first light guide plate 41 also can be in response to different designs, with photoconduction to predetermined direction.As shown in Figure 2, the light guide structure 50 on first light guide plate 41 is into unidirectional guide grooves, the light that it is sent first light source 31, and guiding deviates from the direction of second area 12 equably.Therefore, when secondary light source 32 is power down mode when showing (that is second area 12 no datat), the wide part of first light source 31 evenly concentrates on first area 11, can not let out to second area 12.
Again, though be example with first light guide plate 41 and second light guide plate, 42 2 light guide plate in the present embodiment, certainly this two light guide plate also can be integrated into single light guide plate, and reaches leaded light respectively to the first area 11 and the requirement of second area 12 with the etching striped on the single light guide plate.For example, can be divided into first leaded light zone and one second leaded light zone on the single light guide plate, be the first area 11 and the second area 12 of corresponding panel respectively, and the second leaded light zone is to be adjacent to the first leaded light zone.The first leaded light zone is provided with first light guide structure, wherein by first light guide structure, photoconduction is deviated from second area 12 to first area 11.Moreover light guide plate of the present utility model is to use conventional art to make, and the light guide structure of the first leaded light zone (or first light guide plate) is designed to folk prescription to leaded light, to limit the first area 11 that first light source, 31 most light evenly concentrate on panel 10.
The sectional view of I-I ' line segment in Fig. 3 displayed map 2.Variation in other design that can clearer understanding light guide structure 50 from Fig. 3.For example, be example with the light guide structure 50 of groove shape, its depth of groove is to be directly proportional with the distance of locating of distance light source.That is the closer to light source, depth of groove is shallow more.In addition, the slope of groove or curvature also can agree to the distance of locating apart from light source different and change.For example, the closer to light source, the slope of groove big more (or straight more).Moreover, though in the present embodiment with groove as an illustration, the light guide structure that can also be replaced into other form replaces, to reach the homogenising light intensity and to adjust light conducting direction and reduce effects of jamming.Other can repeat no more in this referring to Japanese patent application No. 2001-89242 about the conventional art of light guide plate.
The liquid crystal indicator 100 of present embodiment further comprises a processor 60, as shown in Figure 2.This processor 60 can be judged the show state of panel 10, and determines first light source 31 and secondary light source 32 states.This first light source 31 has one first state and one second state, and secondary light source 32 has a third state and a four condition, and first and the third state be different from second and four condition respectively.For instance, first light source 31 has closes and two kinds of different states such as opens, and secondary light source 32 has and closes and open two kinds of different states.
In addition, processor 60 can further be controlled the luminosity of first light source 31 and secondary light source 32 independently.For instance, when first light source 31 when opening, can further open is that one first brightness or/and unlatching are one second brightness.Similarly, when secondary light source 32 was opened, can further open was that one the 3rd brightness or/and unlatching are one the 4th brightness.Be noted that first brightness is different from second brightness, the 3rd brightness is different from the 4th brightness.It should be noted that processor 60 is according to display device 100 data presented character, determine the state of first light source 31 and secondary light source 32.
With the liquid crystal indicator that is applied on the mobile phone is example, and 11 first data 21 that show can be general communication data data such as time, battery capacity, telephone number or reception state in the first area usually.The literal that second data 22 that shows in second area 12 can set for the image data or the user of reception, pattern etc.Therefore, when mobile phone was standby, first light source 31 can be opened and be darker brightness, and secondary light source 32 can be closing state.So, can reach purpose of power saving, but again identification in the first area 11 data.In addition, when the user imported the action of data, secondary light source 32 can be opened and be that complete bright state, first light source 31 can be kept previous darker brightness or as secondary light source 32, and opening is bright state entirely.In addition, if need also can be shown in simultaneously on first area 11 and the second area 12, that is, show whole data in the mode of full frame with big picture display data.
Though present embodiment is an example with the mobile phone, does not exceed with mobile phone.For example the display device 100 of present embodiment also can be applicable in individual digital device (PDA), digital camera or the similar electronic product.In addition, comprising two zones though the panel 10 of present embodiment only discloses, is not as limit, in fact can be divided into more multizone according to product demand.
According to the display device 100 of the foregoing description, because first light source 31 can or be the lower state of brightness for closed condition.Similarly, secondary light source 32 can or be the lower state of brightness for closed condition.Therefore, the loss that display device of the present utility model 100 is capable of reducing power source reaches purpose of power saving.
By the detailed description of above preferred specific embodiment, be to wish to know more to describe feature of the present utility model and spirit, and be not to come category of the present utility model is limited with above-mentioned disclosed preferred specific embodiment.On the contrary, its objective is that hope can contain in the category of the claim that is arranged in the desire application of the utility model institute of various changes and tool equality.
Claims (24)
1. display device comprises:
One panel is characterized in that, described panel comprises a first area and a second area;
One first light source, for illuminating described first area, and the state of described first light source comprises one first state and one second state, and wherein, described first light source selectivity independently is in described first state or the described second state state; And
One secondary light source, for illuminating described second area, and the state of described secondary light source comprises a third state and a four condition, and wherein, described secondary light source selectivity independently is in the described third state or described four condition;
Wherein, described first state and the described third state are different from described second state and described four condition respectively.
2. display device as claimed in claim 1 is characterized in that, described first state is for opening, and described second state is for closing.
3. display device as claimed in claim 1 is characterized in that, the described third state is for opening, and described four condition is for closing.
4. display device as claimed in claim 1 is characterized in that, described first state is for opening first brightness, and described second state is for opening second brightness, and wherein, described first brightness is different from described second brightness.
5. display device as claimed in claim 1 is characterized in that, the described third state is for opening the 3rd brightness, and described four condition is for opening the 4th brightness, and wherein, described the 3rd brightness is different from described the 4th brightness.
6. display device as claimed in claim 1 is characterized in that, further comprises one first light guide plate, for the light of reflection with described first light source of scattering, makes the light of described first light source illuminate described first area equably.
7. display device as claimed in claim 1 is characterized in that, further comprises one second light guide plate, for the light of reflection with the described secondary light source of scattering, makes the light of described secondary light source illuminate described second area equably.
8. display device as claimed in claim 6 is characterized in that, described first light guide plate further comprises a light guide structure, and the light that supplies described first light source of reflection is to described first area.
9. display device as claimed in claim 7 is characterized in that, described second light guide plate further comprises a groove, and the light that supplies the described secondary light source of reflection is to described second area.
10. display device as claimed in claim 1 is characterized in that described display device comprises a liquid crystal indicator.
11. a display device comprises:
One panel is characterized in that, described panel comprises a first area and a second area;
One first light source, for illuminating described first area, and the state of described first light source comprises one first state and one second state, and wherein, described first light source selectivity independently is in described first state or described second state;
One secondary light source, for illuminating described second area, and the state of described secondary light source comprises a third state and a four condition, and wherein, described secondary light source selectivity independently is in the described third state or described four condition; And
One treating apparatus is for the show state of judging described panel, to determine the state of described first light source and described secondary light source;
Wherein, described first state and the described third state are different from described second state and described four condition respectively.
12. display device as claimed in claim 11 is characterized in that, described first state is for opening, and described second state is for closing.
13. display device as claimed in claim 11 is characterized in that, the described third state is for opening, and described four condition is for closing.
14. display device as claimed in claim 11 is characterized in that, described first state is for opening first brightness, and described second state is for opening second brightness, and wherein, described first brightness is different from described second brightness.
15. display device as claimed in claim 11 is characterized in that, the described third state is for opening the 3rd brightness, and described four condition is for opening the 4th brightness, and wherein, described the 3rd brightness is different from described the 4th brightness.
16. display device as claimed in claim 11 is characterized in that, further comprises one first light guide plate, for the light of reflection with described first light source of scattering, makes the light of described first light source illuminate described first area equably.
17. display device as claimed in claim 11 is characterized in that, further comprises one second light guide plate, for the light of reflection with the described secondary light source of scattering, makes the light of described secondary light source illuminate described second area equably.
18. display device as claimed in claim 16 is characterized in that, described first light guide plate further comprises a light guide structure, and the light that supplies described first light source of reflection is to described first area.
19. display device as claimed in claim 17 is characterized in that, described second light guide plate further comprises a groove, and the light that supplies the described secondary light source of reflection is to described second area.
20. display device as claimed in claim 11 is characterized in that, described display device comprises a liquid crystal indicator.
21. display device as claimed in claim 11 is characterized in that, described display device is the display device of a mobile phone.
22. display device as claimed in claim 11 is characterized in that, described display device is the display device of a personal digital assistant.
23. display device as claimed in claim 11 is characterized in that, described display device is the display device of a digital camera.
24. the light guide plate of display device as claimed in claim 1 is characterized in that, comprises:
One first leaded light zone, the first area of corresponding described panel, the described first leaded light zone is provided with one first light guide structure; And
One second leaded light zone, the second area of corresponding described panel, the described second leaded light zone is to be adjacent to the described first leaded light zone;
Wherein said first light guide structure is in order to photoconduction is deviated from described second area to described first area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02292840 CN2586182Y (en) | 2002-12-20 | 2002-12-20 | Displaying device and its light conductive assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02292840 CN2586182Y (en) | 2002-12-20 | 2002-12-20 | Displaying device and its light conductive assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2586182Y true CN2586182Y (en) | 2003-11-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02292840 Expired - Fee Related CN2586182Y (en) | 2002-12-20 | 2002-12-20 | Displaying device and its light conductive assembly |
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|---|---|
| CN (1) | CN2586182Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105137525A (en) * | 2015-08-11 | 2015-12-09 | 武汉华星光电技术有限公司 | Light guide plate, side-incoming type backlight module group, liquid crystal display, and mobile terminal |
| WO2016150110A1 (en) * | 2015-03-26 | 2016-09-29 | 京东方科技集团股份有限公司 | Light guide plate, backlight module, display apparatus and display control system |
-
2002
- 2002-12-20 CN CN 02292840 patent/CN2586182Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016150110A1 (en) * | 2015-03-26 | 2016-09-29 | 京东方科技集团股份有限公司 | Light guide plate, backlight module, display apparatus and display control system |
| US9891472B2 (en) | 2015-03-26 | 2018-02-13 | Boe Technology Group Co., Ltd. | Electrophoretic light guide plate, backlight unit, display device and display control |
| CN105137525A (en) * | 2015-08-11 | 2015-12-09 | 武汉华星光电技术有限公司 | Light guide plate, side-incoming type backlight module group, liquid crystal display, and mobile terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |