CN105242344A - Display device - Google Patents
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- CN105242344A CN105242344A CN201510733403.1A CN201510733403A CN105242344A CN 105242344 A CN105242344 A CN 105242344A CN 201510733403 A CN201510733403 A CN 201510733403A CN 105242344 A CN105242344 A CN 105242344A
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- Prior art keywords
- light
- quantum
- guide plate
- display device
- light guide
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
- G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
- G02B6/0013—Means for improving the coupling-in of light from the light source into the light guide
- G02B6/0023—Means for improving the coupling-in of light from the light source into the light guide provided by one optical element, or plurality thereof, placed between the light guide and the light source, or around the light source
- G02B6/0025—Diffusing sheet or layer; Prismatic sheet or layer
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133602—Direct backlight
- G02F1/133606—Direct backlight including a specially adapted diffusing, scattering or light controlling members
- G02F1/133607—Direct backlight including a specially adapted diffusing, scattering or light controlling members the light controlling member including light directing or refracting elements, e.g. prisms or lenses
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/1336—Illuminating devices
- G02F1/133614—Illuminating devices using photoluminescence, e.g. phosphors illuminated by UV or blue light
Abstract
The embodiments of the invention provide a display device, which relates to the technical field of display and is used for solving the problem of bright borders of a display panel. The display device comprises a light emitting diode (LED), a quantum tube, a light guide plate, a display panel and a reflector plate, wherein the light guide plate comprises an upper surface, a lower surface and a lateral surface, the LED and the quantum tube are sequentially arranged on the lateral surface of the light guide plate, and the quantum tube is arranged between the LED and the light guide plate; the display panel is arranged on the light guide plate, and the reflector plate is arranged below the light guide plate; the display device further comprises a light convergence device, which is arranged between the quantum tube and the light guide plate and used for converging the angle range of light excited by the quantum tube, so that the converged light is shot into the light guide plate. The display device is applied to liquid crystal display equipment.
Description
Technical field
The present invention relates to display technique field, particularly relate to a kind of display device.
Background technology
Existing liquid crystal indicator comprises liquid crystal display and provides the backlight module of backlight for liquid crystal display, and backlight module comprises blooming piece and light source assembly.In order to meet the demand of the high colour gamut of liquid crystal indicator, propose in prior art to adopt light emitting diode (LightEmittingDiode, LED) and quantum pipe combination mode, quantum dot glue-line is provided with in the tube wall of quantum pipe, light emitting diode can send monochromatic light, the monochromatic light that light emitting diode sends can quantum dot in excitation quantum point glue-line, realizes the output of white light backlight, thus can meet the high colour gamut demand of liquid crystal indicator.
Be illustrated in figure 1 existing employing light emitting diode and quantum pipe realizes white light backlight output display device schematic diagram.Wherein, this display device comprises light emitting diode 11, quantum pipe 12, light guide plate 13, display panel 14, reflector plate 15, glue frame 16, backboard 17, housing 18; Concrete, light guide plate 13 comprises upper surface, lower surface and side, light emitting diode 11 and quantum pipe 12 are successively set on the side of light guide plate 13, and quantum pipe 12 is arranged between light emitting diode 11 and light guide plate 13, display panel 14 is arranged on above light guide plate 13, reflector plate 15 is arranged on below light guide plate 13, and glue frame 16, backboard 17 and housing 18 are for being fixed above-mentioned device and encapsulating.
Due to light guide plate 13 the light that quantum pipe 12 is sent carry out even smooth time, can thermal expansion be there is, therefore, expand for preventing light guide plate 13 and be expressed to quantum pipe 12, must leave space between quantum pipe 12 and light guide plate 13, this gap general control is at about 1.6mm.But, because the light leaving the wide-angle that space will cause light emitting diode 11 to send can penetrate from space.For the high angle scattered light M1 (as shown in dotted ellipse in Fig. 1) of light emitting diode 11 directive light guide plate 13 upper surface, due to the barrier effect of glue frame 16 in prior art as shown in Figure 1, this high angle scattered light M1 cannot directly penetrate to liquid crystal panel, but, in the high angle scattered light M2 (in as Fig. 1 shown in solid oval) of light emitting diode 11 directive light guide plate 13 lower surface, this high angle scattered light M2 incides on reflector plate 15, incide after the reflection of reflector plate 15 in light guide plate 13, but the incident angle incided on reflector plate 15 due to high angle scattered light M2 is less, reflection angle after reflector plate 15 reflects is also less, therefore, light after reflection cannot realize total reflection to carry out even light in light guide plate 13, so can directly penetrate from light guide plate 13, cause the bright border problem of display panel 14.
Therefore, seeking a kind of scheme that fundamentally can solve the problem of display panel bright border, is the technical matters needing solution at present badly.
Summary of the invention
Embodiments of the invention provide a kind of display device, in order to solve the problem of display panel bright border.
For achieving the above object, embodiments of the invention adopt following technical scheme:
Embodiments provide a kind of display device, comprise light emitting diode, quantum pipe, light guide plate, display panel, reflector plate, described light guide plate comprises upper surface, lower surface and side, described light emitting diode, described quantum pipe is successively set on the side of described light guide plate, and described quantum pipe is arranged between described light emitting diode and described light guide plate, described display panel is arranged on above described light guide plate, described reflector plate is arranged on below described light guide plate, described display device also comprises ray convergence device, described ray convergence device is arranged between described quantum pipe and described light guide plate, angular range for the light inspired described quantum pipe is restrained, to make the light after restraining in described light guide plate.
Based on display device described above, the light sent when light emitting diode incides on ray convergence device after the exciting of quantum pipe, restrained by the angular range of ray convergence device to the light that quantum pipe inspires, to make the light after restraining in light guide plate, and then as the backlight of display panel after carrying out even light by light guide plate to the light of incidence.Adopt the display device that the embodiment of the present invention provides, restrained by the angular range of ray convergence device to the light that quantum pipe inspires, make the light of quantum pipe outgoing can enter light guide plate and carry out even light, thus the light of the wide-angle avoiding quantum pipe to inspire directly penetrates from light guide plate, solve the bright border problem of display panel.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of a kind of display device that Fig. 1 provides for prior art;
The structural representation one of a kind of display device that Fig. 2 provides for the embodiment of the present invention;
The structural representation two of a kind of display device that Fig. 3 provides for the embodiment of the present invention;
The structural representation three of a kind of display device that Fig. 4 provides for the embodiment of the present invention;
Fig. 5 is the schematic diagram that embodiment of the present invention ray convergence device adopts the light circulation of prism structure;
The structural representation four of a kind of display device that Fig. 6 provides for the embodiment of the present invention;
The structural representation five of a kind of display device that Fig. 7 provides for the embodiment of the present invention;
Fig. 8 is light transmission schematic diagram when adopting the quantum pipe shown in Fig. 6 and when adopting quantum pipe in prior art;
The structural representation six of a kind of display device that Fig. 9 provides for the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiments provide a kind of display device, as shown in Figure 2, comprise light emitting diode 21, quantum pipe 22, light guide plate 23, display panel 24, reflector plate 25, light guide plate 23 comprises upper surface, lower surface and side, light emitting diode 21 and quantum pipe 22 are successively set on the side of light guide plate 23, and quantum pipe 22 is arranged between light emitting diode 21 and light guide plate 23, display panel 24 is arranged on above light guide plate 23, and reflector plate 25 is arranged on below light guide plate 23.Further, this display device also comprises ray convergence device 27, ray convergence device 27 is arranged between quantum pipe 22 and light guide plate 23, this ray convergence device 27 is restrained for the angular range of the light inspired quantum pipe 22, to make the light after restraining in light guide plate 23.
The light sent when light emitting diode 21 incides on ray convergence device 27 after the exciting of quantum pipe 22, the light that ray convergence device 27 pairs of quantum pipes 22 inspire is restrained, to make the light after restraining in light guide plate 23, light guide plate 23 even light is carried out to the light of incidence after as the backlight of display panel 24.Adopt the display device that the embodiment of the present invention provides, the angular range of the light inspired by ray convergence device 27 pairs of quantum pipes 22 is restrained, make the light of quantum pipe 22 outgoing can enter light guide plate 23 and carry out even light, thus the light of the wide-angle avoiding quantum pipe 22 to inspire directly is penetrated from light guide plate 23 by after reflectors reflects, solve the bright border problem of display panel.Further, when the present embodiment be provided with glue frame 26 (as shown in Figure 3), equally also can reduce the light of directive glue frame support portion, make the light of wide-angle outgoing on this light direction enter light guide plate after convergence, avoid light carries out outgoing hidden danger from the gap between support portion and light guide plate.Same, those skilled in the art are known, and as pectin frame does not arrange support portion arranging light source position place, this programme can avoid the defect of light direct directive liquid crystal panel without light guiding and uniformizing equally, without the need to arranging extra light-blocking member.
It should be noted that, ray convergence device 27 makes the angular range of the light for inspiring quantum pipe 22 restrain, then ray convergence device 27 can be any can optically focused, can be used for the translucent construction reducing quantum pipe 22 lighting angle.Such as ray convergence device 27 can be the thin lens in thick middle both sides, as convex lens etc., also can be jagged prism structure.
In the embodiment of the present invention, be specifically described for prism structure for ray convergence device 27.
In order to subsequent descriptions is convenient, the structure of quantum pipe 22 under first this introduce.As shown in Figure 2, quantum pipe 22 comprises quantum tube wall 221 and quantum dot glue-line 222, quantum tube wall 221 comprises the quantum tube wall of incident side and the quantum tube wall of light emission side, quantum dot glue-line 222 is arranged in the inner chamber that quantum tube wall 221 formed, the shape of inner chamber can be oval, also can be rectangle. be ellipse with inner chamber in Fig. 2 be example.
Concrete, for prism structure, as shown in Figure 2, can be obtained by the quantum tube wall hot pressing of the light emission side to quantum pipe 22; As shown in Figure 3, also can be the prism structure directly attached, also can be adopt UV coating process to apply one deck prism structure.
For direct attaching, or adopt the prism structure of UV coating process coating, the surface of the incident side of this prism structure 24 is set to plane, and is close on the quantum tube wall of the light emission side of quantum pipe 22; The surface of the light emission side of prism structure 24 is set to the male and fomale(M&F) with some prism structures.
Further, as shown in Figure 4, this display device also comprises: substrate 28 and quantum pipe holder 29; Wherein, light emitting diode 21 is arranged on substrate 28, and quantum pipe holder 29 is provided with accommodating cavity, and accommodating cavity is used for accommodating quantum pipe 22.
For the display device shown in Fig. 4, be illustrated in figure 5 the schematic diagram of the light circulation to the light source assembly adopting prism structure.Angle and the density of prism structure are set, make the light of quantum pipe 22 outgoing after the convergence of prism structure, the angle of the light after this convergence and the angle of horizontal direction are less than or equal to 45 °, so, the light sent from light emitting diode 21 enters into quantum pipe 22, when light through quantum pipe 22 scattering arrives prism structure surface, the light being less than prism structure critical angle (45 °) penetrates through prism facets, the light being greater than prism critical angle goes back through prism facets total reflection, and the light of about 50% is re-circulated.The light part be totally reflected back is gone back by quantum dot glue-line 222 scattering, be less than being refracted out of angled key, what be greater than angled key is totally reflected back quantum dot glue-line 222 again, another part light arrives reflection configuration (it should be noted that, reflection configuration herein can be at least one in the quantum tube wall of incident side, quantum pipe holder 29, light emitting diode 21, substrate 28) through quantum dot glue-line 222.The embodiment of the present invention is carried out exemplary illustration with light by quantum pipe holder 29 reflection, and generally, visible light wave range highly reflective material selected by quantum pipe holder 29, and this part light thus arriving quantum pipe holder 29 is reflected back toward light direction again.Through repeatedly circulating, by prism structure, the light from quantum pipe 22 outgoing is controlled within 90 °, thus make the light major part of quantum pipe 22 outgoing enter light guide plate to be utilized, to solve the problem of display panel bright border in prior art.
In addition, for the surface near light emitting diode in the quantum tube wall of the incident side of quantum pipe 22 (for subsequent descriptions is convenient, surface near light emitting diode in the quantum tube wall of the incident side of quantum pipe is called first surface), first surface can arrange plane as shown in figs 2-4.
The light sent to enable light emitting diode more enters into quantum pipe glue-line, and it is protruding to light emitting diode that first surface also can be set to as shown in Figure 6.Certainly, also can be set to as shown in Figure 7, first surface comprises plane, the first dip plane and the second dip plane; One end of first dip plane is connected with one end of plane, and the other end of the first dip plane tilts to quantum dot glue-line; One end of second dip plane is connected with the other end of plane, and the other end of the second dip plane tilts to quantum dot glue-line.
By first surface, the reason be set to as Fig. 6 and Fig. 7 is, due to the quantum dot in quantum dot glue-line, this produces very high heat in the process of luminescence, this also just requires that the pipe wall material of quantum pipe is selected to have high-temperature stability and good water oxygen barrier properties, the flat glass of what existing quantum tube wall adopted is high borosilicate, its refractive index is generally between 1.5 ~ 1.6, and the refractive index of quantum dot glue-line is generally between 1.4 ~ 1.5, thus after the light of some wide-angle enters into quantum tube wall, when entering into quantum dot glue-line, enter optically thinner medium from optically denser medium, can be totally reflected, thus form waveguiding effect at quantum tube wall, the light that light emitting diode is sent can not enter into quantum dot glue-line, luminescence cannot be carried out by excitation quantum point, thus have impact on light extraction efficiency.And when adopting first surface as shown in Figure 6 and Figure 7, when light incides quantum dot glue-line from the first quantum tube wall, because the thickness of at least partially tube wall of the first quantum tube wall in the vertical direction away from described transverse axis is reduction trend, therefore in the transmission direction of light, normal on the outside surface of the first quantum tube wall and/or the inside surface of the first quantum tube wall can deflect, simultaneously, the refractive index of quantum tube wall is greater than the refractive index of quantum pipe glue-line, namely light incides optically thinner medium from optically denser medium, so, light is when arrival first quantum tube wall inside surface incides quantum dot glue-line, its incident angle diminishes, decrease the transmitting that total reflection occurs, more light is made to enter quantum dot glue-line, improve the launching efficiency of quantum dot, thus improve the light extraction efficiency of quantum pipe.
Concrete, with the first surface shown in Fig. 8 for convex surface, the same light A that light emitting diode 21 sends, and be that example is described when inner chamber is plane.Concrete, as shown in Figure 8, if when first surface adopts traditional planar structure, the light A of the wide-angle that light emitting diode sends is after plane (in as Fig. 8 shown in long dotted line) refraction (now normal is that in Fig. 8, label is shown in the short dash line of 1), refracted ray (is designated as A1 herein, as shown in the long dotted line with arrow in Fig. 8) incide quantum dot glue-line, this refracted ray A1 and normal 2 (if label in Fig. 8 is for shown in the short dash line of 2), namely the angle of refracted ray A1 and horizontal direction is α 1.
But when the outside surface adopting the first quantum tube wall of the present invention is convex surface, within light emitting diode is arranged on convex surface focus, like this, the light A of the wide-angle that light emitting diode sends is after convex surface (in as Fig. 8 shown in solid line) refraction (now normal is that in Fig. 8, label is shown in the short dash line of 3), refracted ray (is designated as A3 herein, as shown in the solid line with arrow in Fig. 8) incide quantum dot glue-line, this refracted ray A3 and normal 4 (if label in Fig. 8 is for shown in the short dash line of 4), namely the angle of refracted ray A3 and horizontal direction is α 2, can significantly find out by figure, α 2 is less than α 1, therefore, when the first quantum tube wall is convex surface, the incident angle inciding quantum pipe glue-line can be reduced, thus there is the full probability launched in the light decreasing wide-angle, more light is made to enter quantum dot glue-line, thus improve the light extraction efficiency of quantum pipe.Like this, when the light entering into quantum dot glue-line is more, also more from the light of quantum pipe outgoing, then according to prism structure, light is restrained, make more to enter light guide plate from the light of quantum pipe outgoing and be utilized.
Further, as shown in Figure 9, this display device also comprises: diffusion barrier 30 (in Fig. 9 right oblique line filling part), lower prism film 31, upper prism film 32 (in Fig. 9 two ruling filling part), backboard 33, housing 34.Wherein, diffusion barrier 30, lower prism film 31, upper prism film 32 are successively set on the upper surface of light guide plate 23 by order from top to bottom, and substrate 28, reflector plate 25 are arranged on backboard 33, and backboard 33 plays fixed support effect, and housing 34 is for encapsulating.Wherein, diffusion barrier 30, lower prism film 31, upper prism film 32, for carrying out blast to the light after the even light of light guide plate 23, using the backlight of the light after blast as display panel 24, improve backlight illumination.
Based on above-mentioned display device, the light that light emitting diode sends incides on ray convergence device after the exciting of quantum pipe, ray convergence device is restrained the light that quantum pipe inspires, to make the light after restraining in light guide plate, light guide plate even light is carried out to the light of incidence after as the backlight of display panel.Adopt the display device that the embodiment of the present invention provides, restrained by the angular range of ray convergence device to the light that quantum pipe inspires, make the light of quantum pipe outgoing can enter light guide plate and carry out even light, thus the light of the wide-angle avoiding quantum pipe to inspire directly penetrates from light guide plate, solve the bright border problem of display panel.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a display device, comprise light emitting diode, quantum pipe, light guide plate, display panel, reflector plate, described light guide plate comprises upper surface, lower surface and side, described light emitting diode, described quantum pipe are successively set on the side of described light guide plate, and described quantum pipe is arranged between described light emitting diode and described light guide plate, described display panel is arranged on above described light guide plate, and described reflector plate is arranged on below described light guide plate, it is characterized in that
Described display device also comprises ray convergence device, described ray convergence device is arranged between described quantum pipe and described light guide plate, angular range for the light inspired described quantum pipe is restrained, to make the light after restraining in described light guide plate.
2. display device according to claim 1, is characterized in that, described ray convergence device is prism structure.
3. display device according to claim 2, is characterized in that, described prism structure is obtained by the quantum tube wall hot pressing of the light emission side to described quantum pipe.
4. display device according to claim 2, is characterized in that, the surface of the incident side of described prism structure is set to plane, and is close on the quantum tube wall of the light emission side of described quantum pipe; The surface of the light emission side of described prism structure is set to the male and fomale(M&F) with some prism structures.
5. the display device according to any one of claim 2-4, is characterized in that, the angle of light of the light that described quantum pipe inspires after the convergence of described prism structure and the angle of horizontal direction are less than or equal to 45 °.
6. display device according to claim 1, is characterized in that, the surface near described light emitting diode in the tube wall of described quantum pipe incident side is set to plane.
7. display device according to claim 1, is characterized in that, protruding to described light emitting diode near the surface of described light emitting diode in the tube wall of described quantum pipe incident side.
8. display device according to claim 1, is characterized in that, the tube wall of described quantum pipe incident side comprises: plane, the first dip plane and the second dip plane;
One end of described first dip plane is connected with one end of described plane, and the other end of described first dip plane tilts to described quantum dot glue-line; One end of described second dip plane is connected with the other end of described plane, and the other end of described second dip plane tilts to described quantum dot glue-line.
9. the display device according to any one of claim 6-8, is characterized in that, described quantum tube wall is formed with inner chamber, and quantum dot glue-line is filled in described inner chamber, and the refractive index of described quantum tube wall is greater than the refractive index of described quantum dot glue-line.
10. display device according to claim 1, is characterized in that, described display device also comprises: substrate and quantum pipe holder; Described light emitting diode is arranged on the substrate; Described quantum pipe holder is provided with accommodating cavity, and described accommodating cavity is used for accommodating described quantum pipe.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510733403.1A CN105242344A (en) | 2015-10-30 | 2015-10-30 | Display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510733403.1A CN105242344A (en) | 2015-10-30 | 2015-10-30 | Display device |
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| CN105242344A true CN105242344A (en) | 2016-01-13 |
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| CN201510733403.1A Pending CN105242344A (en) | 2015-10-30 | 2015-10-30 | Display device |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105717703A (en) * | 2016-04-12 | 2016-06-29 | 东莞轩朗实业有限公司 | Side-entry backlight module and liquid crystal display device |
| CN105867023A (en) * | 2016-04-12 | 2016-08-17 | 东莞轩朗实业有限公司 | Side-lit backlight module and liquid crystal display device |
| CN105911750A (en) * | 2016-04-12 | 2016-08-31 | 东莞轩朗实业有限公司 | Lateral-insertion backlight module and liquid crystal display device |
| CN112764150A (en) * | 2019-10-21 | 2021-05-07 | 元太科技工业股份有限公司 | Front light module and display device |
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| CN105717703A (en) * | 2016-04-12 | 2016-06-29 | 东莞轩朗实业有限公司 | Side-entry backlight module and liquid crystal display device |
| CN105867023A (en) * | 2016-04-12 | 2016-08-17 | 东莞轩朗实业有限公司 | Side-lit backlight module and liquid crystal display device |
| CN105911750A (en) * | 2016-04-12 | 2016-08-31 | 东莞轩朗实业有限公司 | Lateral-insertion backlight module and liquid crystal display device |
| CN112764150A (en) * | 2019-10-21 | 2021-05-07 | 元太科技工业股份有限公司 | Front light module and display device |
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