CN208432834U - A kind of blast backlit display screen and display equipment - Google Patents
A kind of blast backlit display screen and display equipment Download PDFInfo
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- CN208432834U CN208432834U CN201821310795.6U CN201821310795U CN208432834U CN 208432834 U CN208432834 U CN 208432834U CN 201821310795 U CN201821310795 U CN 201821310795U CN 208432834 U CN208432834 U CN 208432834U
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- light
- guide plate
- light guide
- blast
- display screen
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Abstract
The utility model discloses a kind of blast backlit display screen and display equipment, wherein glue frame in a ring, is used to support installation other structures, setting light guide plate and LED light in the cavity among glue frame, LED light is tightly attached to the side wall of light guide plate, and the light that LED light issues uniformly is propagated through the light guide plate;LED light is fixed on flexible circuit board, and flexible circuit board is fitted in the surface of glue frame;Reflective layer is arranged in the overall peripheral that light guide plate and LED light are constituted, and reflective layer is for reflecting the light emitted around.The light of LED transmitting is uniformly spread through the light guide plate, a part is spread out of to board direction, another part is spread out of from side wall along the direction perpendicular to plate face, reflective layer is arranged in the overall peripheral that light guide plate and LED light are constituted in the utility model, the light back propagated around is returned in light guide plate by reflective layer and is used, the utilization rate for improving light promotes the display brightness of display screen in the case where not increasing LED light quantity and itself luminous intensity.
Description
Technical field
The utility model relates to display technology fields, further relate to a kind of blast backlit display screen.In addition, this reality
A kind of display equipment is further related to novel.
Background technique
Liquid crystal display is a kind of display equipment, is made of a certain number of colored or monochrome pixels, be placed in light source or
In front of person's reflecting surface;Main operational principle is to generate point, line, surface with electric current stimulation liquid crystal molecule, and cooperation back fluorescent tube constitutes picture
Face;Liquid crystal display power consumption is very low, is used widely.
Liquid crystal display passes through the liquid crystal of top by the backlight of lower section with display pattern, the brightness decision screen of backlight
Display brightness, display brightness is one of important cheap index of screen, as long as reaching enough brightness could make one in the sun
The clear identification of eye;Traditional display screen, which improves the mode of brightness, to be the quantity by increase LED light group or improves single led lamp
The brightness of group;But there is quite a few light to be dissipated in light communication process, light can not be made full use of.
For those skilled in the art, the brightness for how improving display backlight is the skill for needing to solve at present
Art problem.
Utility model content
The utility model provides a kind of blast backlit display screen, in the feelings for not increasing LED light quantity He itself luminous intensity
The display brightness of display screen is promoted under condition, concrete scheme is as follows:
A kind of blast backlit display screen, including glue frame, the glue frame in a ring, lead in the cavity among the glue frame by setting
Tabula rasa and LED light;The LED light is tightly attached to the side wall of the light guide plate, and the LED light is fixed on flexible circuit board, institute
State the surface that flexible circuit board is fitted in the glue frame;
Reflective layer is arranged in the overall peripheral that the light guide plate and the LED light are constituted, and the reflective layer is for being reflected towards four
The light of week transmitting.
Optionally, the reflective layer is arranged on the cavity inner wall among the glue frame.
Optionally, the reflective layer is arranged on three side outer walls of the light guide plate.
Optionally, the reflective layer is plating silverskin.
It optionally, further include the reflector plate for being fitted in the light guide plate lower surface, the reflector plate is for reflecting from described
The light that light guide plate is spread out of downwards.
Optionally, the upper surface fitting setting diffusion barrier of the light guide plate.
Optionally, two layers of bright enhancement film is arranged in the upper surface fitting of the diffusion barrier, and bright enhancement film described in upper layer and lower layer just mates
It closes.
Optionally, the bright enhancement film upper surface positioned at upper layer, which is bonded, is arranged annular anti-dazzling screen, among the anti-dazzling screen
Bore size be less than the glue frame middle cavity size.
Optionally, the glue frame is fixedly mounted in the metal shell of groove type.
The utility model also provides a kind of display equipment, including blast backlit display screen described in any of the above embodiments.
The utility model provides a kind of blast backlit display screen, and wherein glue frame in a ring, is used to support installation other structures,
Setting light guide plate and LED light in cavity among glue frame, LED light are tightly attached to the side wall of light guide plate, and the light that LED light issues is through leading
Tabula rasa is uniformly propagated;LED light is fixed on flexible circuit board, and flexible circuit board is fitted in the surface of glue frame;Light guide plate and LED light
Reflective layer is arranged in the overall peripheral of composition, and reflective layer is for reflecting the light emitted around.The light of LED transmitting is through the light guide plate
Uniformly diffusion, a part are spread out of to board direction, and another part is spread out of from side wall along the direction perpendicular to plate face, this is practical new
Reflective layer is arranged in the overall peripheral that light guide plate and LED light are constituted in type, by reflective layer that the light propagated around is again anti-
It is emitted back towards in light guide plate and is used, improve the utilization rate of light, in the case where not increasing LED light quantity and itself luminous intensity
Promote the display brightness of display screen.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is the facing structure figure of blast backlit display screen provided by the utility model;
Fig. 2A is the sectional view in the direction A-A in Fig. 1;
Fig. 2 B is the partial enlarged view of X section in Fig. 2A;
Fig. 3 A is the sectional view in the direction B-B in Fig. 1.
Fig. 3 B is the partial enlarged view of Y portion in Fig. 3 A;
Fig. 3 C is the partial enlarged view of the part Z in Fig. 3 A.
Include: in figure
Glue frame 1, light guide plate 2, LED light 3, flexible circuit board 4, reflective layer 5, reflector plate 6, diffusion barrier 7, bright enhancement film 8, shading
Piece 9, metal shell 10.
Specific embodiment
The core of the utility model is to provide a kind of blast backlit display screen, send out not increasing LED light quantity with itself
The display brightness of display screen is promoted in the case where luminous intensity.
In order to make those skilled in the art more fully understand the technical solution of the utility model, below in conjunction with attached drawing and
Explanation is described in detail in specific embodiment, blast backlit display screen and display equipment to the utility model.
As shown in Figure 1, being the facing structure figure of blast backlit display screen provided by the utility model;Fig. 2A is A-A in Fig. 1
The sectional view in direction, Fig. 3 A are the sectional view in the direction B-B in Fig. 1.The utility model provides a kind of blast backlit display screen, packet
Glue frame 1 is included, glue frame 1 in a ring, is used to provide support to other structures;Setting, the cavity among glue frame 1 are emptied among glue frame 1
Interior setting light guide plate 2 and LED light 3, the three of light guide plate 2 side is in contact with the side of glue frame 1 under normal circumstances, bottom edge setting
One row's LED light 3, for shining.LED light 3 is tightly attached to the side wall of light guide plate 2, and LED light 3 is fixed on flexible circuit board 4, LED
Lamp 3 protrudes from the surface of flexible circuit board 4, is powered by circuit corresponding on flexible circuit board 4 to LED light 3.
Flexible circuit board 4 is fitted in the surface of glue frame 1, makes in the cavity among the LED light 3 being arranged thereon insertion glue frame 1;
Reflective layer 5 is arranged in the overall peripheral that light guide plate 2 and LED light 3 are constituted, and reflective layer 5 is for reflecting the light emitted around.
When 3 electrified light emitting of LED light, light enters in light guide plate 2, is uniformly distributed light by light guide plate 2, exhausted big portion
The plate face of light splitter light transmission light guide plate 2 projects upwards, and for showing imaging, some light is then via the side wall of light guide plate 2 to four
Week diverging, the light dissipated around are not used to be imaged, and light ray energy is caused to waste.The utility model is in light guide plate 2 and LED
Reflective layer 5 is arranged in the overall peripheral that lamp 3 is constituted, and is returned the light back dissipated around in light guide plate 2 by reflective layer 5
Portion, light reenter light guide plate 2 and are re-used, and the light reflected again can be projected from the upper surface of light guide plate 2, at
Picture.The light back propagated around is returned leaded light using reflective layer 5 by blast backlit display screen provided by the utility model
It is used in plate 2, improves the utilization rate of light, promoted in the case where not increasing LED light quantity and itself luminous intensity aobvious
The display brightness of display screen.
On the basis of above scheme, reflective layer 5 is preferably provided in the cavity inner wall among glue frame 1 in the utility model
On, it is the partial enlarged view of X section in Fig. 2A as shown in Figure 2 B;Fig. 3 B and Fig. 3 C are respectively that the part of the part Y, Z in Fig. 3 A is put
Big figure;In the cavity being integrally located among glue frame 1 that light guide plate 2 and LED light 3 are constituted, middle cavity is arranged in reflective layer 5
On inner wall, the shape of glue frame 1 is generally rectangular shaped, and reflective layer 5 is arranged on the four sides side wall of inner cavity, uploads from 2 side wall of light guide plate
Light out is reflected back in light guide plate by reflective layer 5, and LED light 3 is arranged in 1 intracavity bottom of glue frame, and the light upwardly propagated can also
The reflective layer 5 being arranged by 1 inner cavity bottom edge of glue frame reflects upwards, and eventually enters into light guide plate 2.
Reflective layer 5 is arranged in above on the intracavity sidewall of glue frame 1 only as a preferred solution, the utility model exists
This provides second of setting form, and reflective layer 5 is arranged on three side outer walls of light guide plate 2, due to a side-walls of light guide plate 2
It is correspondingly arranged row's LED light 3, the light of LED light 3 enters light guide plate 2 from outer, therefore is not provided in the side-walls of setting LED light 3
Reflective layer 5, in light guide plate 2, reflective layer is arranged in other three side-walls, prevents light from the side wall of light guide plate 2 by reflective layer 5
Place's outflow, light are constantly propagated within light guide plate 2.
Preferably, reflective layer 5 provided by the utility model is plating silverskin, plates the intracavity sidewall for being located at glue frame 1 or plating is set
On the outer wall of light guide plate 2.Certainly, other than plating the mode set, attachment, which also can be used, has reflection of reflection function etc.
Mode is arranged on glue frame 1 or light guide plate 2, these concrete conditions should be included within the scope of protection of this utility model.
Further, the blast backlit display screen of the utility model further includes the reflector plate for being fitted in 2 lower surface of light guide plate
6, reflector plate 6 has the function of reflection light, and reflector plate 6 is for reflecting the light spread out of downwards from light guide plate 2, from light guide plate 2
In the light propagated downwards come back in light guide plate 2 by the reflection of reflector plate 6, light is only spread out of from the upper surface of light guide plate 2, is used
It is shown in screen.
Preferably, in the upper surface of light guide plate 2 fitting setting diffusion barrier 7, spread light by diffusion barrier 7, light
Line distribution is more uniform.
Upper surface fitting two layers of bright enhancement film 8 of setting of diffusion barrier 7, the orthogonal cooperation of upper layer and lower layer bright enhancement film 8.Bright enhancement film is also referred to as
BEF is in the extraordinary pet sheet face of transparency, using acrylic resin, the optics of one layer of uniform prism pattern of precise forming
Film.It is disposed at the upper surface of diffusion barrier, light is assembled to display equipment user direction, front face brightness can be improved about
100%.Also, unemployed light outside visual angle is recycled according to the reflection effect again of light, and poly- with optimal angle
Collect to user.
Positioned at the anti-dazzling screen 9 of 8 upper surface of the bright enhancement film fitting setting annular on upper layer, the bore size among anti-dazzling screen 9 is small
In the size of 1 middle cavity of glue frame;Black and white glue can be used in anti-dazzling screen 9, and anti-dazzling screen 9 surrounds the periphery of bright enhancement film 8, for blocking
Light limits the range that light is paid.
Glue frame 1 is fixedly mounted in the metal shell 10 of groove type, and the shell bottom of metal shell 10 is the back of screen, is passed through
Metal shell 10 limits other component.
The utility model also provides a kind of display equipment, including blast backlit display screen described in any of the above embodiments, this is aobvious
Show that equipment can realize identical technical effect.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice, can realize in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (10)
1. a kind of blast backlit display screen, which is characterized in that including glue frame (1), the glue frame (1) in a ring, the glue frame (1)
Setting light guide plate (2) and LED light (3) in intermediate cavity;The LED light (3) is tightly attached to the side wall of the light guide plate (2), and
The LED light (3) is fixed on flexible circuit board (4), and the flexible circuit board (4) is fitted in the surface of the glue frame (1);
Reflective layer (5) are arranged in the overall peripheral that the light guide plate (2) and the LED light (3) are constituted, and the reflective layer (5) is used for
Reflect the light emitted around.
2. blast backlit display screen according to claim 1, which is characterized in that the reflective layer (5) is arranged in the glue
On the intermediate cavity inner wall of frame (1).
3. blast backlit display screen according to claim 1, which is characterized in that reflective layer (5) setting is led described
On three side outer walls of tabula rasa (2).
4. blast backlit display screen according to claim 2 or 3, which is characterized in that the reflective layer (5) is plating silverskin.
5. blast backlit display screen according to claim 4, which is characterized in that further include being fitted in the light guide plate (2)
The reflector plate (6) of lower surface, the reflector plate (6) is for reflecting the light spread out of downwards from the light guide plate (2).
6. blast backlit display screen according to claim 5, which is characterized in that the upper surface of the light guide plate (2) is bonded
It is arranged diffusion barrier (7).
7. blast backlit display screen according to claim 6, which is characterized in that the upper surface of the diffusion barrier (7) is bonded
It is arranged two layers of bright enhancement film (8), the orthogonal cooperation of bright enhancement film (8) described in upper layer and lower layer.
8. blast backlit display screen according to claim 7, which is characterized in that on the bright enhancement film (8) on upper layer
The anti-dazzling screen (9) of surface fitting setting annular, it is intermediate empty that the intermediate bore size of the anti-dazzling screen (9) is less than the glue frame (1)
The size of chamber.
9. blast backlit display screen according to claim 8, which is characterized in that the glue frame (1) is fixedly mounted on groove
In the metal shell (10) of shape.
10. a kind of display equipment, which is characterized in that including the described in any item blast backlit display screens of claim 1 to 9.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821310795.6U CN208432834U (en) | 2018-08-14 | 2018-08-14 | A kind of blast backlit display screen and display equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821310795.6U CN208432834U (en) | 2018-08-14 | 2018-08-14 | A kind of blast backlit display screen and display equipment |
Publications (1)
Publication Number | Publication Date |
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CN208432834U true CN208432834U (en) | 2019-01-25 |
Family
ID=65097526
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201821310795.6U Active CN208432834U (en) | 2018-08-14 | 2018-08-14 | A kind of blast backlit display screen and display equipment |
Country Status (1)
Country | Link |
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CN (1) | CN208432834U (en) |
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2018
- 2018-08-14 CN CN201821310795.6U patent/CN208432834U/en active Active
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