CN206573824U - A kind of backlight and display device - Google Patents
A kind of backlight and display device Download PDFInfo
- Publication number
- CN206573824U CN206573824U CN201720311709.2U CN201720311709U CN206573824U CN 206573824 U CN206573824 U CN 206573824U CN 201720311709 U CN201720311709 U CN 201720311709U CN 206573824 U CN206573824 U CN 206573824U
- Authority
- CN
- China
- Prior art keywords
- light
- substrate
- backlight
- spot
- guide plate
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000000758 substrate Substances 0.000 claims abstract description 54
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 239000012780 transparent material Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims 1
- 230000003287 optical effect Effects 0.000 abstract description 7
- 230000000630 rising effect Effects 0.000 abstract description 6
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
Landscapes
- Planar Illumination Modules (AREA)
Abstract
The utility model discloses a kind of backlight and display device, backlight includes framework and the light emitting module being arranged in framework, light convergence module and light guide plate, light emitting module includes substrate and the spot light being fixedly installed on substrate, light convergence module is located at the side that spot light deviates from substrate, for importing light guide plate after the light collection that sends spot light, in above-mentioned backlight, including framework and the light emitting module being arranged in framework, light convergence module and light guide plate, light emitting module includes substrate and the spot light being fixedly installed on substrate, because light convergence module is located at the side that spot light deviates from substrate, i.e. light convergence module is located in the exit direction that spot light emits beam, the light that light convergence module convergence spot light is sent, excessive rising angle is avoided to cause some light to cannot be introduced into light guide plate, cause light losing, optical energy loss can be reduced, improve utilization rate of the backlight to luminous energy, improve the brightness of backlight.
Description
Technical field
The utility model is related to display technology field, more particularly to a kind of backlight and display device.
Background technology
In technical field of liquid crystal display, backlight (BackLight) is located at the lower section of liquid crystal display (LCD), main bag
Spot light and light guide plate are included, the light that spot light is sent forms area source after the diffusion by light guide plate and thinks liquid crystal display
Panel provides the light needed for display.
Because the luminous efficiency of LED (light emitting diode) light source is far above common energy-saving lamp, and service life is longer, at present
The light source of conventional backlight typically uses LED/light source, and light provides light by light guide plate formation area source for liquid crystal panel.But
It is that LED/light source rising angle itself is larger, generally 120 °.Excessive rising angle causes some light to cannot be introduced into leaded light
Plate, causes light losing.Therefore, a kind of backlight that can reduce optical energy loss is designed to be particularly important.
Utility model content
The utility model provides a kind of backlight and display device, and the backlight is by increasing light convergence module so that hair
The light of optical module enters back into light guide plate after certain convergence, reduces optical energy loss, it is possible to increase profit of the backlight to luminous energy
With rate, the brightness of backlight is improved.
To reach above-mentioned purpose, the utility model provides following technical scheme：
A kind of backlight, including framework and the light emitting module, light convergence module and the leaded light that are arranged in the framework
Plate, the light emitting module includes substrate and spot light on the substrate is fixedly installed, and the smooth convergence module is located at described
Spot light deviates from the side of the substrate, for importing the light guide plate after the light collection that sends the spot light.
In above-mentioned backlight, including framework and the light emitting module, light convergence module and the leaded light that are arranged in framework
Plate, light emitting module includes substrate and the spot light being fixedly installed on substrate, deviates from base because light convergence module is located at spot light
The side of plate, i.e. light convergence module are located in the exit direction that spot light emits beam, and light convergence module convergence spot light is sent
Light, it is to avoid excessive rising angle causes some light to cannot be introduced into light guide plate, causes light losing, can reduce luminous energy
Loss, improves utilization rate of the backlight to luminous energy, improves the brightness of backlight.
Preferably, when the spot light be located between the substrate and light guide plate, the smooth convergence module include positive lens,
At least one in original screen panel and zone plate.
Further, the smooth convergence module is relatively fixed setting with the substrate, and the substrate is along perpendicular to the light
The orientation of convergence module and spot light and the rotating shaft in the light from the injection direction of light guide plate are installed in rotation on institute
State on framework.
Further, the substrate is fixedly installed on said frame, and the smooth convergence module converges along perpendicular to the light
The orientation of poly- module and spot light and the rotating shaft in the light from the injection direction of light guide plate are installed in rotation on described
On framework.
Preferably, when the spot light is located at the side that the substrate deviates from the light guide plate, the smooth convergence module bag
Include parabola shaped reflection shield.
Further, the substrate is made up of transparent or this transparent material.
Further, the spot light is located in the focus of the parabola shaped reflection shield.
Further, the parabola shaped reflection shield and the substrate are relatively fixed settings, the substrate edge perpendicular to
The orientation of the substrate and spot light and the rotating shaft in the light from the injection direction of light guide plate are installed in rotation on institute
State on framework.
Preferably, the spot light is LED/light source.
Also a kind of display device of the utility model, including display panel, in addition to the as above backlight described in any one, institute
State the lower section that backlight is located at the display panel.Because backlight can improve utilization rate of the backlight to luminous energy, the back of the body is improved
The brightness of light source, therefore, the brightness of the display device with the backlight are higher.
Brief description of the drawings
A kind of structural representation for backlight that Fig. 1 provides for the utility model；
A kind of another structural representation for backlight that Fig. 2 provides for the utility model；
A kind of another structural representation for backlight that Fig. 3 provides for the utility model；
A kind of another structural representation for backlight that Fig. 4 provides for the utility model；
A kind of another structural representation for backlight that Fig. 5 provides for the utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
As shown in Figure 1, Figure 2, shown in Fig. 3, Fig. 4 and Fig. 5, a kind of backlight, including framework and the hair that is arranged in framework
Optical module, light convergence module 3 and light guide plate 4, light emitting module include substrate 1 and spot light 2 on substrate 1 are fixedly installed,
Light convergence module 3 is located at the side that spot light 2 deviates from substrate 1, for importing light guide plate after the light collection that sends spot light 2
4。
In above-mentioned backlight, including framework and the light emitting module, light convergence module 3 and the leaded light that are arranged in framework
Plate 4, light emitting module includes substrate 1 and spot light 2 on substrate 1 is fixedly installed, because light convergence module 3 is located at spot light 2
It is located at away from the side of substrate 1, i.e. light convergence module 3 in the exit direction that spot light 2 emits beam, light convergence module 3 is converged
The light that spot light 2 is sent, it is to avoid excessive rising angle causes some light to cannot be introduced into light guide plate 4, causes light losing,
Optical energy loss can be reduced, utilization rate of the backlight to luminous energy is improved, improves the brightness of backlight.
As shown in Figure 1, Figure 2 and shown in Fig. 3, in a kind of preferred embodiment, when spot light 2 be located at substrate 1 and light guide plate 4 it
Between, light convergence module 3 includes at least one in positive lens, original screen panel and zone plate.
Because positive lens has the function of optically focused, when spot light 2 be located between substrate 1 and light guide plate 4, light convergence module 3
It can be made up of positive lens in (plano-convex border, convex flat border etc.).It can also be constituted using original screen panel or zone plate, original screen panel or zone plate
With certain convergence effect, the function of similar positive lens can be played.The divergent rays of spot light 2 angle of divergence after convergence contracts
Small, light efficiency is accordingly lifted, and the lower power consumption of whole backlight can be achieved, and improves backlight to the utilization rate of luminous energy, Jin Erti
The brightness of high backlight.
Light convergence module 3 can include one of them of positive lens, original screen panel and zone plate, may also be included in which
Two or three, the composition of light convergence module 3 is selected according to the concrete condition of backlight.
On the basis of above-mentioned backlight, in order to realize the utilization of light maximal efficiency and the tune of backlight light-emitting uniformity
It is whole, by reversing light guide angle angle between light incident direction and light guide plate 4 can be made to change, and in order that
Light guide angle twists, and can be realized by following two ways：
Mode one, as shown in Fig. 2 light convergence module 3 is relatively fixed setting with substrate 1, substrate 1 converges mould along perpendicular to light
The orientation of block 3 and spot light 2 and the rotating shaft in light from the injection direction of light guide plate 4 are installed in rotation on framework.
Substrate 1 is along the orientation perpendicular to light convergence module 3 and spot light 2 and light from the injection direction of light guide plate 4
Rotating shaft be installed in rotation on framework so that the spot light 2 being fixed on substrate 1 can be rotated therewith, and then light extraction side
To adjustable, and light convergence module 3 and substrate 1 are relatively fixed setting and cause spot light 2 and light convergence module 3 with occurring certain turn round
Turn so that light guide angle twists, and then make it that angle changes between light incident direction and light guide plate 4.
Mode two, as shown in figure 3, substrate 1 is fixedly installed on framework, light convergence module 3 is along perpendicular to light convergence module 3
Orientation and light with spot light 2 are installed in rotation on framework from the rotating shaft in the injection direction of light guide plate 4.
Substrate 1 is fixedly installed on framework so that the spot light 2 being fixed on substrate 1 is fixed, and then light direction is not
Become, and light convergence module 3 is along the orientation perpendicular to light convergence module 3 and spot light 2 and light from the injection side of light guide plate 4
To rotating shaft be installed in rotation on framework, i.e., light convergence module 3 can be rotated, and then be caused and then light convergence module 3
The light direction of light is adjustable so that light guide angle twists, and then causes between light incident direction and light guide plate 4
Angle changes.
As shown in FIG. 4 and 5, in a kind of preferred embodiment, when spot light 2 is located at substrate 1 deviates from light guide plate 4 one
Side, light convergence module 3 includes parabola shaped reflection shield.It is parabola shaped when spot light 2 is located at the side that substrate 1 deviates from light guide plate 4
Reflection shield is emitted onto light reflection thereon, and to change the direction of light, and the parabola shaped structure of reflection shield can be converged
The light that spot light 2 is sent, it is to avoid excessive rising angle causes some light to cannot be introduced into light guide plate 4, causes light losing,
Optical energy loss can be reduced, utilization rate of the backlight to luminous energy is improved, improves the brightness of backlight.
In order to ensure that light enters light guide plate 4 as much as possible, specifically, substrate 1 is made up of transparent or this transparent material.
And in order to form collimation emergent ray, specifically, spot light 2 is located in the focus of parabola shaped reflection shield.
On the basis of above-mentioned backlight, more specifically, as shown in figure 5, parabola shaped reflection shield is relatively fixed with substrate 1
Set, substrate 1 can turn along the orientation perpendicular to substrate 1 and spot light 2 and the rotating shaft in light from the injection direction of light guide plate 4
It is arranged on dynamicly on framework.By being rotated to parabola reflection shield and spot light 2, its direction of collimation is set to change, with
Enter angular required for reaching.
In a kind of preferred embodiment, spot light 2 can be LED/light source, can also be the light source type of other forms.
Also a kind of display device of the utility model, including display panel, in addition to the as above backlight of any one, backlight
Positioned at the lower section of display panel.Because backlight can improve utilization rate of the backlight to luminous energy, the brightness of backlight is improved, because
This, the brightness of the display device with the backlight is higher.
Obviously, those skilled in the art can to the utility model embodiment carry out it is various change and modification without departing from
Spirit and scope of the present utility model.So, if these modifications and variations of the present utility model belong to the utility model right
It is required that and its within the scope of equivalent technologies, then the utility model be also intended to comprising these change and modification including.
Claims (10)
1. a kind of backlight, it is characterised in that including framework and the light emitting module being arranged in the framework, light convergence module
And light guide plate, the light emitting module includes substrate and spot light on the substrate is fixedly installed, the smooth convergence module
Deviate from the side of the substrate positioned at the spot light, for importing the leaded light after the light collection that sends the spot light
Plate.
2. backlight according to claim 1, it is characterised in that when the spot light be located at the substrate and light guide plate it
Between, the smooth convergence module includes at least one in positive lens, original screen panel and zone plate.
3. backlight according to claim 2, it is characterised in that the smooth convergence module is relatively fixed with the substrate to be set
Put, the substrate is along the orientation perpendicular to the smooth convergence module and spot light and the light from the injection side of light guide plate
To rotating shaft be installed in rotation on the framework.
4. backlight according to claim 2, it is characterised in that the substrate is fixedly installed on said frame, described
Light convergence module is along the orientation perpendicular to the smooth convergence module and spot light and the light from the injection side of light guide plate
To rotating shaft be installed in rotation on the framework.
5. backlight according to claim 1, it is characterised in that led when the spot light is located at the substrate away from described
The side of tabula rasa, the smooth convergence module includes parabola shaped reflection shield.
6. backlight according to claim 5, it is characterised in that the substrate is made up of transparent or this transparent material.
7. backlight according to claim 5, it is characterised in that the spot light is located at the parabola shaped reflection shield
In focus.
8. backlight according to claim 7, it is characterised in that the parabola shaped reflection shield is relative with the substrate solid
Fixed to set, the substrate is along the orientation perpendicular to the substrate and spot light and the light from the injection direction of light guide plate
Rotating shaft be installed in rotation on the framework.
9. the backlight according to claim any one of 1-8, it is characterised in that the spot light is LED/light source.
10. a kind of display device, including display panel, it is characterised in that also including the back of the body as described in claim any one of 1-9
Light source, the backlight is located at the lower section of the display panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720311709.2U CN206573824U (en) | 2017-03-28 | 2017-03-28 | A kind of backlight and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720311709.2U CN206573824U (en) | 2017-03-28 | 2017-03-28 | A kind of backlight and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206573824U true CN206573824U (en) | 2017-10-20 |
Family
ID=60053635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720311709.2U Expired - Fee Related CN206573824U (en) | 2017-03-28 | 2017-03-28 | A kind of backlight and display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206573824U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023160519A1 (en) * | 2022-02-23 | 2023-08-31 | Saint-Gobain Glass France | Illumination unit, illumination glass assembly and window assembly |
-
2017
- 2017-03-28 CN CN201720311709.2U patent/CN206573824U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023160519A1 (en) * | 2022-02-23 | 2023-08-31 | Saint-Gobain Glass France | Illumination unit, illumination glass assembly and window assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203907479U (en) | LED lens with straight-down type backlight module | |
| US20200379160A1 (en) | Backlight module and display device | |
| CN102705777B (en) | Secondary lens with bottom of curved surface structure | |
| US10007051B2 (en) | Backlight module and display device | |
| CN101295099A (en) | Back light source structure | |
| CN202403078U (en) | Backlight module and light guide plates | |
| CN203784831U (en) | Novel reflective lens | |
| CN102767768A (en) | Side-light type backlight module and LCD (liquid crystal display) | |
| TW201300894A (en) | Edge lighting backlight module | |
| CN102691936A (en) | Backlight module and liquid crystal display device | |
| CN104776344B (en) | LED light bar, backlight and display device | |
| CN103644488B (en) | Backlight module | |
| CN206573824U (en) | A kind of backlight and display device | |
| CN209028244U (en) | Light guide plate, backlight module and display device | |
| CN215722784U (en) | Optical module and panel lighting lamp | |
| CN104315407A (en) | Backlight module and display device | |
| CN105116612A (en) | Optical diaphragm, backlight module and display device | |
| CN202110309U (en) | Light guide plate, backlight and display device | |
| CN102588803A (en) | Plate type LED lamp | |
| CN107676739B (en) | Light-transmitting plate and panel light | |
| CN207008102U (en) | Light guide plate, backlight module and display device | |
| CN205827020U (en) | A kind of down straight aphototropism mode set | |
| CN204389728U (en) | A kind of light is concentrated and the light guide plate of equal light | |
| CN204227321U (en) | Secondary lens and backlight module | |
| CN102323693A (en) | Liquid crystal display device and backlight module thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171020 |