CN107643627A - Display device and its back lighting device of tool light path bending - Google Patents
Display device and its back lighting device of tool light path bending Download PDFInfo
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- CN107643627A CN107643627A CN201710606970.XA CN201710606970A CN107643627A CN 107643627 A CN107643627 A CN 107643627A CN 201710606970 A CN201710606970 A CN 201710606970A CN 107643627 A CN107643627 A CN 107643627A
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Abstract
The present invention provides a kind of display device and its back lighting device of tool light path bending, and display device includes a display panel and includes a backlight, one first optical element and one second optical element with having the back lighting device of light path bending, back lighting device.Backlight has plural light source.First optical element reflects the light of those light sources, light of the second optical element reflection by the reflection of the first optical element, to provide light to display panel.By the first optical element and the second optical element reflection light, so that light can be projeced into display panel indirectly caused by those light sources, light caused by those light sources so is can be increased projeced into the light path of display panel, therefore the relative distance between those light sources and display panel can be increased, so that influence of the heat energy to display panel can be reduced.
Description
Technical field
The present invention especially includes the backlight dress bent for the tool light path of display device to be related to a kind of display device
Put, so that the distance between the light source of display panel and back lighting device can be increased, and reduce influence of the heat energy to display panel.
Background technology
In general, display device includes backlight module and display panel, and backlight module has plural light source, and produces light
Simultaneously throw light is in display panel for line, to allow display panel can be with display information or image.The light source of backlight module is big at present
All it is light emitting diode to substitute traditional tube.In order to reduce the quantity of the light emitting diode of backlight module, light emitting diode can
For High Power LED, can so improve the brightness of light, however High Power LED it is relative can produce it is higher
Heat energy.
Referring to Fig. 1, it is the schematic diagram for commonly using display device and its backlight module.As illustrated, display device 10 wraps
Containing a backlight module 12 and a display panel 14.Backlight module 12 has plural light source 121, to produce light.The backlight commonly used
Module 12 is located at the side of display panel 14, and directly facing in display panel 14, those light sources of such backlight module 12
Light caused by 121 is directly projeced into display panel 14, and it is to allow uniform light to be projeced into display panel 14, is shown with allowing
The brightness uniformity of panel 14, and light efficiency can be increased.
If direct throw light commonly uses backlight module 12 close to display panel 14 in display panel 14, i.e., can be because of spoke
Penetrate heat causes heat energy too high with advection heat, and too high heat energy is the display stability that can influence display panel 14.An as illustrated, wind
Fan 16 is arranged at display device 10, reduces and is present between backlight module 12 and display panel 14 to produce wind through fan 16
Heat energy and the heat energy for accumulating on display panel 14, but fan 16 can increase production and maintenance cost.
As shown in the above description, if the distance between those light sources 121 of backlight module 12 and display panel 14 can be increased,
Radiant heat and advection heat can be reduced, and influence of the heat energy for display panel 14 can be reduced, as shown in Figure 2.However, general electricity
It can not allowed between backlight module 12 and display panel 14 with relatively long distance with sufficient space in sub- product.Therefore, commonly use
Backlight module 12, which directly projects light caused by those light sources 121, in display panel 14, can cause the display of display panel 14
Stability is limited.
Based on above-mentioned, it is necessary to provide a kind of display device and its have the back lighting device of light path bending, to reduce heat energy pair
The influence of display panel.
The content of the invention
The purpose of the present invention, it is to provide a kind of display device and its has the back lighting device of light path bending, it is of the invention
Light caused by back lighting device and indirect projection source is projeced into aobvious in display panel, light caused by light source by bending
Show panel, can so increase the light path that light caused by light source is projeced into display panel, so that light source and display surface can be increased
Relative distance between plate, and reduce influence of the heat energy to display panel.
The purpose of the present invention, it is to provide a kind of display device and its has the back lighting device of light path bending, back lighting device
Backlight light source caused by light and it is indirect be projeced into display panel, by optical element bend light light path,
Light is projeced into display panel indirectly via optical element caused by light source, you can increases light caused by the light source of backlight
Line is projeced into the light path of display panel, can so increase the relative distance between the light source of backlight and display panel, that can reduce
Influence of the heat energy to display panel.
The purpose of the present invention, it is to provide a kind of display device and its has the back lighting device of light path bending, it can be used
The backlight that area is less than the area of display panel provides light, then is projeced into display panel via optical element adjustment light
Angle, it can so amplify light and be projeced into the scope that the light path of display panel is covered, be provided using the small backlight of area
Light can reduce the space required for the light path of light, and reduce the space shared by backlight.
The present invention provides a kind of back lighting device for having light path bending, and it includes a fixed structure, a backlight, one first light
Learn element and one second optical element.Backlight has plural light source.First optical element is arranged at fixed structure, and is located at and is somebody's turn to do
One optical projection path of a little light source projects light, for reflecting the light of those light sources.Second optical element is arranged at fixation
Structure, and it is located at the one first optical reflection path that the first optical element reflects light caused by those light sources, for reflection
The light reflected by the first optical element.
The present invention provides a kind of display device, and it includes a display panel, a fixed structure, a backlight, one first light
Learn element and one second optical element.Backlight has plural light source.Display panel, the first optical element and the second optical element
Fixed structure is respectively arranged at, the first optical element is located at an optical projection path of those light source projects light, for reflection
Light caused by those light sources, the second optical element are located at the first optical element and reflect one of light caused by those light sources
First optical reflection path, for reflecting the light by the reflection of the first optical element, and light is provided to display panel.
Brief description of the drawings
Fig. 1：To commonly use the stereogram of display device and its backlight module；
Fig. 2：For another stereogram for commonly using display device and its backlight module；
Fig. 3 A：The stereogram of the first embodiment of display device and its back lighting device for the present invention；
Fig. 3 B：The part exploded view of the first embodiment of display device and its back lighting device for the present invention；
Fig. 4：The part exploded view of another angle of the first embodiment of display device and its back lighting device for the present invention；
Fig. 5：The stereogram of the first embodiment of display device and its back lighting device for the present invention；
Fig. 6：The stereogram of the different angle of the first embodiment of display device and its back lighting device for the present invention；
Fig. 7：For the present invention back lighting device first embodiment throw light in the light path schematic diagram of display panel；
Fig. 8：For the front view of the first embodiment of the backlight of the present invention；
Fig. 9：For the front view of the first embodiment of the display panel of the present invention；
Figure 10：For the present invention back lighting device second embodiment throw light in the light path schematic diagram of display panel；
Figure 11：For the front view of the second embodiment of the backlight of the present invention；
Figure 12：The stereogram of the 3rd embodiment of display device and its back lighting device for the present invention；
Figure 13：For the front view of the 3rd embodiment of the backlight of the present invention；And
Figure 14：The stereogram of the fourth embodiment of display device and its back lighting device for the present invention.
【Figure number is to as directed】
10 display devices
12 backlight modules
121 light sources
14 display panels
16 fans
20 display devices
30 back lighting devices
32 backlights
321 light sources
323 optical projection paths
33 first fixed plates
34 photomasks
340 optical channels
341 first ports
343 second ports
35 second fixed plates
36 first optical elements
361 first optical reflection paths
37 second optical elements
371 second optical reflection paths
38 fixed structures
381 spaces
383 light entrances
385 first installation openings
387 second installation openings
389 the 3rd installation openings
39 light angle adjustment elements
40 display panels
41 viewing areas
50 radiator structures
L1 length
L2 length
L3 length
L4 length
W1 width
W2 width
W3 width
W4 width
Embodiment
In order that the present invention architectural feature and it is reached the effect of have a better understanding and awareness, spy with preferably
Embodiment and cooperation detailed description, are described as follows：
Fig. 3 A, Fig. 3 B, Fig. 4, Fig. 5 and Fig. 6 are referred to, it is the display device of the present invention and its first reality of back lighting device
Apply the stereogram of the different angle of example and part exploded view, wherein in order to clearly show that the back lighting device of the present invention, so Fig. 5 with
Fig. 6 does not all show fixed structure.As illustrated, the display device 20 of the present invention includes a back lighting device 30 and a display panel
40.In one embodiment of the invention, display device 20 can be used as HUD (Head-Up Display, HUD), but simultaneously
Unrestricted display device 20 of the invention can only be used as HUD.Back lighting device 30 includes a backlight 32, one first light
Learn element 36, one second optical element 37 and a fixed structure 38.Backlight 32 has plural light source 321, and those light sources 321 produce
Third contact of a total solar or lunar eclipse line, those light sources 321 are located at the side of backlight 32.In one embodiment of the invention, those light sources 321 can be luminous
Diode, more can be high-power light emitting diode.In addition, the back lighting device 30 of the present invention can more include a radiator structure 50,
It is arranged at the opposite side of backlight 32, and can be by heat energy caused by those light sources 321 towards the direction away from display panel 40
Conduction, to avoid heat energy caused by those light sources 321 from influenceing the display stability of display panel 40.In the implementation of the present invention
In example, radiator structure 50 can include a plurality of radiating fins.
As shown in Figure 3 B, the first optical element 36, the second optical element 37 are respectively arranged at fixed knot with display panel 40
Structure 38.In one embodiment of the invention, fixed structure 38 is ducted body, and inside has a space 381, to be used as light
Passage, fixed structure 38 can be in inverted L shape.Fixed structure 38 is with more a light entrance 383, one first installation opening 385, one second
The installation opening 389 of installation opening 387 and 1 the 3rd, this is all communicated in space 381 and is interconnected.Light entrance 383 relative to
Those light sources 321, the first optical element 36 are assemblied in the first installation opening 385, and the second optical element 37 is assemblied in the second installation opening
387, display panel 40 is assemblied in the 3rd installation opening 389.Fixed structure 38 may be disposed at the side of radiator structure 50, and light enters
Mouth 383 is relative to backlight 32, to allow light caused by those light sources 321 of backlight 32 to enter via light entrance 383
The space 381 of the inside of fixed structure 38 and be projeced into the first optical element 36.In addition, back lighting device 30 more may include two fixations
Plate 33,35, the first optical element 36 are fixed on the first fixed plate 33, and the first fixed plate 33 is assemblied in fixed structure 38 so that the
One optical element 36 is assemblied in the first installation opening 385, and the first fixed plate 33 simultaneously seals the first installation opening 385, and avoid light from
First installation opening 385 irradiates fixed structure 38.Second optical element 37 is fixed on the second fixed plate 35, and the second fixed plate 35 fills
Assigned in fixed structure 38 so that the second optical element 37 is assemblied in the second installation opening 387, and the second fixed plate 35 simultaneously seals the second dress
With mouth 387, and light is avoided to irradiate fixed structure 38 from the second installation opening 387.It is it is worth noting that, real in part of the invention
Apply in example, the first fixed plate 33 or the second fixed plate 35 also can be integrally formed with fixed structure 38, and the first optical element 36 or
The second optical element of person 37 can be assemblied in the first fixed plate 33 and the second fixed plate 35 from the 3rd installation opening 389.
In one embodiment of the invention, back lighting device 30 can more include a photomask 34, and it may be disposed at fixed structure
The space 381 of 38 inside, and between the side of backlight 32 and the first optical element 36.In addition, photomask 34 has
An optical channel 340, one first port 341 and one second port 343 (as shown in Figure 5) being connected, the first port 341 relative to
The light entrance 383 of fixed structure 38, and the second port 343 relative to the first optical element 36, i.e., optical channel 340 is relative to this
A little optical elements 36 of light source 321 and first.Photomask 34 can be used for concentrating light, and light can be concentrated in the internal reflection of photomask 34
To avoid scattering, light is projected to the first optical element by the optical channel 340 of photomask 34 caused by those light sources 321
36, it can so reduce the loss that light is projected to the first optical element 36.In one embodiment of the invention, photomask 34 it is interior
Surface has a reflectance coating (not shown), or the inner surface of photomask 34 is minute surface.
From the above, the first optical element 36 is located at an optical projection path 323 of those throw lights of light source 321 (such as
Shown in Fig. 7), to reflect light caused by those light sources 321.As shown in fig. 7, the surface of the reflection light of the first optical element 36
There is an angle relative to optical projection path 323, make the relative tilt of the first optical element 36 on optical projection path 323,
And the surface of the reflection light of the first optical element 36, upward (for drawing), light caused by those such light sources 321 is straight
Connect after being irradiated in the surface of the first optical element 36,36 upward reflection light of the first optical element.In addition, the second optical element 37
One first optical reflection path 361 of light caused by those light sources 321 is reflected (such as Fig. 7 institutes positioned at the first optical element 36
Show), and 37 relative first optical reflection path 361 of the second optical element is inclined, and the reflection light of the second optical element 37
Surface is relative to the first optical element 36 and display panel 40, and in this embodiment, the second optical element 37 is located at the first optics
The top (for drawing) of element 36, when such first optical element 36 reflects light caused by those light sources 321, this warp
The second optical element 37 can be projeced into by crossing the light of the first optical element 36 reflection, and the reflection of the second optical element 37 passes through first
The light that optical element 36 reflects provides light to display panel 40 to display panel 40.From the foregoing, display panel 40
Positioned at one second optical reflection path 371 (as shown in Figure 7) of the reflection light of the second optical element 37.In the implementation of the present invention
In example, display panel 40 is located at fixed structure 38 close to the position in the direction of backlight 32 rather than fixed structure 38 away from backlight
The position in 32 direction, it can so reduce the space shared by display device 20.Therefore, in this embodiment, the second optics member
The reflection light of part 37 in the direction opposite the direction of those throw lights of light source 321.
As shown in the above description, the first optical element 36 of back lighting device 30 of the invention and the second optical element 37 is can
Light and throw light caused by backlight 32 are bent in the back side of display panel 40, required for display panel 40 to be provided
Backlight, so can increase backlight 32 caused by light be projeced into the light path of display panel 40, therefore can be in the confined space
Relative distance between those light sources 321 and display panel 40 of interior increase backlight 32, and heat energy can be reduced to display panel 40
Show the influence of image.
Referring to Fig. 7, its for the present invention back lighting device first embodiment throw light in the light path of display panel
Schematic diagram.As illustrated, those light sources 321 of backlight 32 produce light, light is projeced into the first optics by photomask 34
Element 36.First optical element 36 reflects light caused by those light sources 321 to the second optical element 37, the second optical element
37 reflect by the light that the first optical element 36 reflects to display panel 40 again.From the foregoing, the backlight 32 of the present invention
The light of offer and it is indirect be projeced into display panel 40, but bent by the first optical element 36 and the second optical element 37
The light path for the light that backlight 32 is provided, and indirectly throw light increases what backlight 32 was provided in display panel 40
Light is projeced into the light path of display panel 40, can so increase those light sources 321 of backlight 32 and the phase between display panel 40
Adjust the distance, the influence of image is shown to reduce heat energy caused by those light sources 321 to display panel 40.
Fig. 8 and Fig. 9 are referred to, it is the front view and display panel 40 of the first embodiment of the backlight 32 of the present invention
The front view of first embodiment.As illustrated, width (size of Y direction) W3 of the backlight 32 of this embodiment is less than display
Width (size of Y direction) W4 of panel 40.Those light sources 321 are arranged at backlight 32, the two-phase of same row in several column
The spacing (spacing of Y direction) of adjacent light source 321 is small so that those light sources 321 are arranged in width shared in backlight 32
(size of Y direction) W1 is less than width (size of Y direction) W2 of a viewing area 41 of display panel 40, so backlight
The width W3 of plate 32 is smaller than the width W4 of display panel 40, and so those light sources 321 equivalent to compression backlight 32 are produced
The height of the light path of raw light, and equivalent to the projection scope for compressing light caused by those light sources 321.In this embodiment
In, the spacing (spacing of Y direction) of two adjacent light sources 321 of same row is less than the spacing (X-axis of the light source 321 of two adjacent columns
The spacing in direction).In addition, in this embodiment, those light sources 321 are arranged in length (X-direction shared in backlight 32
Size) L1 can be approximately equal to display panel 40 viewing area 41 length (size of X-direction) L2, so backlight 32
Length (size of X-direction) L3 can be approximately equal to length (size of X-direction) L4 of display panel 40.Above-mentioned display
Region 41 is used to show image.In this embodiment, the width W2 of the viewing area 41 of display panel 40 can be equal to display surface
The width W4 of plate 40.
In Fig. 7 embodiment, it can coordinate the backlight 32 of Fig. 8 embodiment, and the first optical element 36 can be one flat
Face speculum, and the second optical element 37 can be a cylindrical mirror.The reflection light of first optical element 36 is to the second optics
After element 37, the second optical element 37 understands divergent rays and is projeced into the back side of display panel 40, and such light can be distributed throwing
Penetrate in the overall back side of the viewing area 41 of display panel 40.It follows that Fig. 7 embodiment can use the less backlight of width
Plate 32, the width of backlight 32 are less than the width of display panel 40, its light equivalent to the light that compression backlight 32 is provided
The height (equivalent to the projection scope of compression light) on road, embodiment shown in Fig. 7 and by the diverging light of the second optical element 37
Line, and amplify the height (equivalent to the projection scope of amplification light) of the light path of light, so equivalent to going back being pressed for original optical path
Contracting height, and so that the light that backlight 32 is provided can project the Integral back for the viewing area 41 for being distributed in display panel 40
Face.In this embodiment, due to reducing the width of backlight 32 so that original needs the light path of higher spatial to be compressed, and can
The space that the light path of light needs is reduced, and the space shared by backlight 32 can be reduced, you can reduces the whole of back lighting device 30
Body volume, it reduces shared space equivalent to the overall volume for reducing display device 20.
Referring to Fig. 10, its for the present invention back lighting device second embodiment throw light in the light path of display panel
Schematic diagram.As illustrated, the back lighting device 30 of this embodiment further includes a light angle adjustment element 39, it is arranged at display surface
The side of plate 40, and between the optical element 37 of display panel 40 and second, i.e., light angle adjustment element 39 is located at second
Second optical reflection path 371 of the reflection light of optical element 37, and the both side surface difference phase of light angle adjustment element 39
For the optical element 37 of display panel 40 and second, light of the second optical element 37 reflection by the reflection of the first optical element 36
To light angle adjustment element 39, the light for reflexing to light angle adjustment element 39 projects by light angle adjustment element 39
To display panel 40.Light angle adjustment element 39 can adjust the crevice projection angle of light, and it is adjusted away from light angle adjustment member
The projecting direction of the light at the center of part 39 is inwardly projeced into display panel 40.In one embodiment of the invention, light angle
Adjustment element 39 can be the Fresnel mirror of brightening piece, convex lens or equivalent convex lens design.
Figure 11 is referred to, it is the front view of the second embodiment of the backlight 32 of the present invention.As illustrated, this embodiment
Those light sources 321 be arranged in backlight 32 shared width (size of Y direction) W1 and be less than the aobvious of display panel 40
Show width (size of the Y direction) W2 in region 41, and those light sources 321 are arranged in length (X-axis shared in backlight 32
The size in direction) L1 be also smaller than display panel 40 viewing area 41 length (size of X-direction) L2, i.e. same row two
Outside the spacing (spacing of Y direction) of adjacent light source 321 reduces, the spacing of the light source 321 of two adjacent columns is (between X-direction
Away from) also reduce, so further compress the light path (projection scope of light) for the light that backlight 32 provides, therefore backlight
32 in addition to width (size of Y direction) W3 is smaller than width (size of Y direction) W4 of display panel 40, backlight
32 length (size of X-direction) L3 is also smaller than length (size of X-direction) L4 of display panel 40, with can be further
The space shared by backlight 32 is reduced, and more can further reduce the overall volume of back lighting device 30 and display device 20.Such as
Shown in Figure 12, it can be spherical reflector to coordinate the second optical element 37 of backlight 32 shown in Figure 11, with to surrounding diverging light
Line, so equivalent to go back original optical path by compressing area, that is, the projection scope of light can be amplified.
Figure 13 is referred to, it is the front view of the 3rd embodiment of the backlight 32 of the present invention.As illustrated, this embodiment
Those light sources 321 be arranged in backlight 32 shared width (size of Y direction) W1 and can be approximately equal to display panel
Width (size of Y direction) W2 of 40 viewing area 41, and those light sources 321 are arranged in length shared in backlight 32
Degree (size of X-direction) L1 can also be approximately equal to length (size of X-direction) L2 of the viewing area 41 of display panel 40.
In this embodiment, the spacing (spacing of Y direction) of two adjacent light sources 321 of same row may be approximately equal to two adjacent columns
The spacing (spacing of X-direction) of light source 321, the projection scope of light is equivalent to display caused by those such light sources 321
The entire area at the back side of the viewing area 41 of panel 40, therefore width (size of the Y direction) W3 and length of backlight 32
(size of X-direction) L3 can be approximately equal to width (size of the Y direction) W4 of display panel 40 and length (X-direction
Size) L4.As shown in figure 14, the second optical element 37 for coordinating the backlight 32 shown in Figure 13 can be plane mirror.
Summary, the back lighting device of tool light path of the invention bending, by the first optical element and the second optical element
Reflection light so that light can be projeced into display panel indirectly caused by those light sources, can so increase those light source institutes
Caused light is projeced into the light path of display panel, therefore can increase the relative distance between those light sources and display panel, with can
Reduce influence of the heat energy to display panel.
Above is only presently preferred embodiments of the present invention, is not used for limiting the scope that the present invention is implemented, Fan Yibenfa
The equivalent changes and modifications carried out by shape, construction, feature and spirit described in bright right, all should be included in the present invention
Right in.
Claims (21)
1. a kind of back lighting device for having light path bending, it is characterised in that it is included：
One fixed structure；
One backlight, there is plural light source；
One first optical element, the fixed structure is arranged at, and is located at an optical projection path of those light source projects light, with
Light for reflecting those light sources；And
One second optical element, is arranged at the fixed structure, and reflect positioned at first optical element light of those light sources
One first optical reflection path, for reflecting the light by first optical element reflection.
2. the back lighting device of tool light path bending as claimed in claim 1, it is characterised in that further include a photomask, it is located at
Between the side of the backlight and first optical element, the photomask has an optical channel, and the optical channel is relative to those light
Source and first optical element.
3. the back lighting device of tool light path bending as claimed in claim 2, it is characterised in that the wherein inner surface tool of the photomask
There is a reflectance coating, the inside of the fixed structure has a space, and the photomask is arranged at the space of the fixed structure.
4. the back lighting device of tool light path bending as claimed in claim 1, it is characterised in that further include a radiator structure, the back of the body
Tabula rasa is arranged at the side of the radiator structure with the fixed structure.
5. the back lighting device of tool light path bending as claimed in claim 1, it is characterised in that wherein the fixed structure is one hollow
Body simultaneously has interconnected a light entrance, one first installation opening and one second installation opening, and the light entrance is relative to the back of the body
Those light sources of tabula rasa, first optical element are assemblied in first installation opening, and second optical element is assemblied in second dress
With mouth.
6. the back lighting device of tool light path bending as claimed in claim 1, it is characterised in that wherein first optical element is one
Plane mirror, and second optical element is a cylindrical mirror.
7. the back lighting device of tool light path bending as claimed in claim 1, it is characterised in that wherein first optical element is one
Plane mirror, and second optical element is a spherical reflector.
8. the back lighting device of tool light path bending as claimed in claim 1, it is characterised in that wherein first optical element is with being somebody's turn to do
Second optical element is all a plane mirror.
9. the back lighting device of tool light path bending as claimed in claim 1, it is characterised in that further include light angle adjustment member
Part, it is located at one second optical reflection path of the second optical element reflection light, and second optical element reflection is by being somebody's turn to do
To the light angle adjustment element, the light for reflexing to the light angle adjustment element passes through the light of first optical element reflection
The light angle adjustment element is projected to a display panel, and the display panel is arranged at the fixed structure.
10. the back lighting device of tool light path bending as claimed in claim 9, it is characterised in that wherein light angle adjustment member
Part is a brightening piece, a convex lens or a Fresnel mirror.
11. the back lighting device of tool light path bending as claimed in claim 1, it is characterised in that wherein second optical element is anti-
The light reflected by first optical element is penetrated, and light a to display panel, display panel is provided and is arranged at this and fixes
Structure.
12. a kind of display device, it is characterised in that it is included：
One fixed structure；
One display panel, it is arranged at the fixed structure；
One backlight, there is plural light source；
One first optical element, the fixed structure is arranged at, and is located at an optical projection path of those light source projects light, with
Light for reflecting those light sources；And
One second optical element, is arranged at the fixed structure, and reflect positioned at first optical element light of those light sources
One first optical reflection path, for reflecting the light by first optical element reflection, and light is provided to the display surface
Plate.
13. display device as claimed in claim 12, it is characterised in that further include a photomask, it is located at the backlight
Between side and first optical element, the photomask has an optical channel, the optical channel relative to those light sources and this first
Optical element.
14. display device as claimed in claim 13, it is characterised in that wherein the inner surface of the photomask has a reflection
Film, the inside of the fixed structure have a space, and the photomask is arranged at the space of the fixed structure.
15. display device as claimed in claim 12, it is characterised in that further include a radiator structure, the backlight is solid with this
Structure setting is determined in the side of the radiator structure.
16. display device as claimed in claim 12, it is characterised in that wherein the fixed structure is a ducted body and has phase
An intercommunicated light entrance, one first installation opening, one second installation opening and one the 3rd installation opening, the light entrance is relative to this
Those light sources of backlight, first optical element are assemblied in first installation opening, second optical element be assemblied in this second
Installation opening, the display panel are assemblied in the 3rd installation opening.
17. display device as claimed in claim 12, it is characterised in that wherein those light sources are arranged in shared by the backlight
Width be less than the display panel a viewing area width, first optical element is a plane mirror, and this second
Optical element is a cylindrical mirror.
18. display device as claimed in claim 12, it is characterised in that wherein those light sources are arranged in shared by the backlight
Width be less than the display panel a viewing area width, the length that those light sources are arranged in shared by the backlight is less than
The length of the viewing area of the display panel, first optical element is a plane mirror, and second optical element is
One spherical reflector.
19. display device as claimed in claim 12, it is characterised in that wherein those light sources are arranged in shared by the backlight
Width and length be respectively equal to the display panel a viewing area width and length, first optical element with this second
Optical element is all a plane mirror.
20. display device as claimed in claim 12, it is characterised in that further include a light angle adjustment element, it is located at
One second optical reflection path of the second optical element reflection light, second optical element reflection is by first optics member
For the light of part reflection to the light angle adjustment element, the light for reflexing to the light angle adjustment element passes through the light angle
Adjustment element is projected to the display panel.
21. display device as claimed in claim 20, it is characterised in that wherein the light angle adjustment element adds lustre to for one
Piece, a convex lens or a Fresnel mirror.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201662365485P | 2016-07-22 | 2016-07-22 | |
| US62/365,485 | 2016-07-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107643627A true CN107643627A (en) | 2018-01-30 |
| CN107643627B CN107643627B (en) | 2021-09-14 |
Family
ID=61110206
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720899532.2U Withdrawn - After Issue CN206975364U (en) | 2016-07-22 | 2017-07-24 | Display device and its back lighting device of tool light path bending |
| CN201710606970.XA Active CN107643627B (en) | 2016-07-22 | 2017-07-24 | Display device and backlight device with bent light path |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720899532.2U Withdrawn - After Issue CN206975364U (en) | 2016-07-22 | 2017-07-24 | Display device and its back lighting device of tool light path bending |
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| Country | Link |
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| CN (2) | CN206975364U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110646972A (en) * | 2018-06-26 | 2020-01-03 | 矽创电子股份有限公司 | Backlight device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206975364U (en) * | 2016-07-22 | 2018-02-06 | 矽创电子股份有限公司 | Display device and its back lighting device of tool light path bending |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010272386A (en) * | 2009-05-22 | 2010-12-02 | Nippon Seiki Co Ltd | Display device |
| CN102486276A (en) * | 2010-12-06 | 2012-06-06 | Lg伊诺特有限公司 | Backlight unit |
| CN104062803A (en) * | 2013-03-21 | 2014-09-24 | 三星电子株式会社 | Backlight Unit And Display Device Having Same |
| CN105065952A (en) * | 2010-04-10 | 2015-11-18 | Lg伊诺特有限公司 | Lighting module and lighting apparatus including the same |
| CN206975364U (en) * | 2016-07-22 | 2018-02-06 | 矽创电子股份有限公司 | Display device and its back lighting device of tool light path bending |
-
2017
- 2017-07-24 CN CN201720899532.2U patent/CN206975364U/en not_active Withdrawn - After Issue
- 2017-07-24 CN CN201710606970.XA patent/CN107643627B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010272386A (en) * | 2009-05-22 | 2010-12-02 | Nippon Seiki Co Ltd | Display device |
| CN105065952A (en) * | 2010-04-10 | 2015-11-18 | Lg伊诺特有限公司 | Lighting module and lighting apparatus including the same |
| CN102486276A (en) * | 2010-12-06 | 2012-06-06 | Lg伊诺特有限公司 | Backlight unit |
| CN104062803A (en) * | 2013-03-21 | 2014-09-24 | 三星电子株式会社 | Backlight Unit And Display Device Having Same |
| CN206975364U (en) * | 2016-07-22 | 2018-02-06 | 矽创电子股份有限公司 | Display device and its back lighting device of tool light path bending |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110646972A (en) * | 2018-06-26 | 2020-01-03 | 矽创电子股份有限公司 | Backlight device |
| US11169415B2 (en) | 2018-06-26 | 2021-11-09 | Sitronix Technology Corp. | Backlight device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107643627B (en) | 2021-09-14 |
| CN206975364U (en) | 2018-02-06 |
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