CN208239764U - A kind of backlight assembly and display - Google Patents

A kind of backlight assembly and display Download PDF

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Publication number
CN208239764U
CN208239764U CN201820707629.3U CN201820707629U CN208239764U CN 208239764 U CN208239764 U CN 208239764U CN 201820707629 U CN201820707629 U CN 201820707629U CN 208239764 U CN208239764 U CN 208239764U
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China
Prior art keywords
light
intersection
light guide
plane
backlight assembly
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CN201820707629.3U
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Chinese (zh)
Inventor
程言军
蒋燕红
陈龙
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Shenzhen Dixian Electronics Co ltd
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Shenzhen Dixian Electronics Co ltd
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Priority to CN201820707629.3U priority Critical patent/CN208239764U/en
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Abstract

The utility model provides a kind of backlight assembly, including light guide plate and bracket.The utility model additionally provides display, the display component including above-mentioned backlight assembly and the light direction for being set to backlight assembly.Backlight assembly provided by the utility model, on the one hand, can directly dismantle integrally formed light guide plate and bracket, avoid during dismantling light guide plate from bracket, light guide plate is scratched and causes the display effect of light guide plate bad by bracket.On the other hand, the light that light source issues is incident by the first concave surface in light in part, and a part passes through the first plane reflection, and the first concave surface further reflects the light of the first plane reflection and reflexes to light guide section;A part is directly incident to the first concave surface through the first convex surface, by the first concave reflection to light guide section.The scattering that site is combined by the cooperation of the first convex surface, the first plane and the first concave surface, has effectively dispersed the propagation path of light, so that light can uniformly be projected by light-emitting surface.

Description

A kind of backlight assembly and display
Technical field
The utility model belongs to field of display technology, is to be related to a kind of backlight assembly and display more specifically.
Background technique
Backlight assembly is one of the key component of liquid crystal display device, is mainly used for providing enough brightness and distribution is equal Even light source, enables liquid crystal display panel normally to show image.Backlight assembly for non-ultrathin display generally includes light guide plate The bracket and light source being connect with light guide plate.For example, LED backlight component generally includes LED light source, light guide plate, is set to and leads The reflective membrane and diffusion barrier and backlight assembly bracket on tabula rasa surface etc..When dismounting the LED backlight component, successively group is needed Above-mentioned element is filled or removes, process is sufficiently complex, also, the damage of component is easy to cause in disassembly process, it will influence The display quality of display device.And the light conducting plate structure in current backlight assembly is not reasonable, so that existing backlight assembly Light is uneven out.
Utility model content
The purpose of this utility model is to provide a kind of backlight assemblies, are torn open with solving backlight assembly existing in the prior art Dress inconvenience and the non-uniform technical problem of light.
In order to achieve the above purposes, the technical solution adopted by the utility model is: provides a kind of backlight assembly, comprising: guide-lighting Plate and bracket, the bracket is arranged in the edge periphery of the light guide plate and is an integral molding structure with the light guide plate, described Light guide plate includes light guide section and extends the light in part of the light for issuing light source from the bending of the end of the light guide section, described Light guide section is equipped with reflective surface and the opposite light-emitting surface of the reflective surface, the reflective surface be equipped with by the light in the light guide section into The light of the irreflexive site of row, the site reflection is projected through the light-emitting surface;
The front of the light in part includes successively turn back the first convex surface, the first plane and the first concave surface of connection, described The light refraction that first convex surface is used to issue light source enters the light in part, and first plane will be for that will pass through the first convex surface Incident light is reflected, described in first concave surface is used to be reflexed to the light Jing Guo the first convex surface incidence Light guide section, and the light of first plane reflection is further reflexed into the light guide section.
Further, the light in part is equipped with the light incidence section for light incidence, and light source corresponds to the light incidence section setting, described The light incidence section is avoided equipped with the first reflecting layer in the outer surface of light in part.
Further, the bracket include respectively with the integrally formed connecting plate of the light guide plate and baffle, the connection The side of the light guide section is arranged in plate, and the light in part is avoided in the side of the light guide section and the position of the connecting plate is equipped with The outer wall of the baffle, the baffle is equipped with the second reflecting layer.
Further, the baffle is extended with several mounting posts away from the light guide section, several mounting posts One end is equipped with bracket claw, and the bracket claw includes several claw portions, has slit between several described claw portions, described The end in claw portion is equipped with barb.Further, the connecting plate is extended with reinforcing prop, the reinforcing prop away from the light guide section Outer wall on along the reinforcing prop axis direction be equipped with several reinforcing ribs.
Further, the light-emitting surface of the light guide section is equipped with diffusion layer, and the bracket corresponds to around the light guide section The position that the diffusion layer is avoided in part is equipped with third reflecting layer.
Further, the light in part is the sphenoid of mirror symmetry, and the plane of symmetry of the sphenoid is led perpendicular to described Light portion, the angle between the reflective surface and the back side of the light in part are 85 °~95 °, the light-emitting surface and the plane of symmetry Be crossed to form the first intersection, first concave surface and the plane of symmetry are crossed to form the second intersection, first plane with it is described The plane of symmetry is crossed to form third intersection, and first convex surface and the plane of symmetry are crossed to form the 4th intersection;First intersection The first intersection point is intersected at second intersection, second intersection and the third intersection intersect at the second intersection point, and described the Three intersections and the 4th intersection intersect at third intersection point;
Second intersection is obtuse angle in the tangent line of first point of intersection and the angle of first intersection;
Second intersection is 130 °~140 ° in the tangent line of second point of intersection and the angle of the third intersection;
4th intersection is 150 °~160 ° in the tangent line of the third point of intersection and the angle of the third intersection, institute The radius of curvature for stating the first convex surface is 15mm~20mm.
Further, two sides of the light in part are about the plane of symmetry mirror symmetry;The side includes successively Turn back the first cambered surface, the second cambered surface, third cambered surface and the fourth plane of connection, one side of the side with the light in part just Face is total to side connection, and the another side of the side is total to side with the back side of the light in part and connect.
Further, first cambered surface, the second cambered surface, third cambered surface and fourth plane are divided by three straight lines, The radius of curvature of first cambered surface is 45mm~50mm, and the radius of curvature of second cambered surface is 8mm~9mm, the third The radius of curvature of cambered surface is 9mm~10mm.
The utility model additionally provides display, including above-mentioned backlight assembly and be set to backlight assembly go out light side To display component.
The beneficial effect of backlight assembly provided by the utility model is: compared with prior art, the utility model backlight Component, on the one hand, light guide plate and bracket are made of one molding structure, it is not necessary to be assembled, improve assembly efficiency;It is needing to tear open When unloading, directly integrated light guide plate and bracket directly can be dismantled, avoid the process for dismantling light guide plate from bracket In, light guide plate is scratched and causes the display effect of light guide plate bad by bracket, improves display quality.
On the other hand, the light that wherein light source issues passes through the first convex refractive in light in part, and a part is flat by first Face reflection, the first concave surface further reflects the light of the first plane reflection and reflexes to light guide section;A part directly passes through First convex surface is incident to the first concave surface, by the first concave reflection to light guide section.By the first convex surface, the first plane and the first concave surface Cooperation, effectively dispersed light propagation path effectively dispersed the propagation path of light in conjunction with the scattering of site, So that light can uniformly be projected by light-emitting surface, and compared with traditional light guide plate incidence end, above-mentioned light in part can Efficiently to receive light and avoid light exposed, the loss of light is reduced.
In another aspect, since the light in part makes the light out of light guide plate more uniform, and then can be by the thickness of light guide plate It is further thinned, and then is conducive to the slimming of backlight assembly.
Detailed description of the invention
It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with It obtains other drawings based on these drawings.
Fig. 1 is the schematic perspective view one of backlight assembly provided by the embodiment of the utility model;
Fig. 2 is the partial enlarged view of part A in Fig. 1;
Fig. 3 is the schematic view of the front view of backlight assembly provided by the embodiment of the utility model;
Fig. 4 is the schematic view of the front view one of backlight assembly provided by the embodiment of the utility model;
Fig. 5 is the schematic cross-sectional view two of backlight assembly provided by the embodiment of the utility model;
Fig. 6 is the partial enlarged view of part B in Fig. 5;
Fig. 7 is the present invention looks up structural representation of backlight assembly provided by the embodiment of the utility model.
Wherein, each appended drawing reference in figure:
Specific embodiment
In order to which technical problem to be solved in the utility model, technical solution and beneficial effect is more clearly understood, with Lower combination accompanying drawings and embodiments, the present invention will be further described in detail.It should be appreciated that specific reality described herein It applies example to be only used to explain the utility model, is not used to limit the utility model.
It should be noted that when component is referred to as " being fixed on " or " being set to " another component, it can directly or It connects and is located on another component.When a component referred to as " is connected to " another component, it be can be directly or indirectly It is connected on another component.Term " on ", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", The orientation or position of the instructions such as "bottom", "inner", "outside" are orientation based on the figure or position, are merely for convenience of describing, It should not be understood as the limitation to the technical program.Term " first ", " second " are used merely to facilitate description purpose, and should not be understood as Indication or suggestion relative importance or the quantity for implicitly indicating technical characteristic.The meaning of " plurality " is two or more, Unless otherwise specifically defined.
Also referring to Fig. 1 to Fig. 7, now backlight assembly provided by the embodiment of the utility model is illustrated.The back Optical assembly, including light guide plate 1 and bracket 3, bracket 3 are arranged in the edge periphery of light guide plate 1 and are integrally formed knot with light guide plate 1 Structure.Bracket 3 is generally used for providing light guide plate 1 support and installation effect, which is being installed with other components When, installing bracket 3 can be realized the fixation of light guide plate 1, during dismantling backlight assembly, compared to traditional display group Part avoids the damage that light guide plate 1 is caused when removal bracket 3 and light guide plate 1.
Light guide plate 1 includes light guide section 10 and extends the light for issuing light source 2 from the bending of the end of light guide section 10 Light in part 11, light in part 11 are used to light importeding into light guide section 10;Light guide section 10 is equipped with reflective surface 100, and reflective surface 100 is equipped with The light in light guide section 10 will be entered and carry out irreflexive site 1000, for being adjusted to the light for importing light guide section 10; The plane opposite with reflective surface 100 is light-emitting surface 101 on light guide section 10, passes through the light-emitting surface by the light that site 1000 adjusts 101 project.Wherein the front of light in part 11 includes that successively turn back the first convex surface 111 of connection, the first plane 112 and first is recessed Face 113, " front " herein refer to viewing surface corresponding to main view shown in Fig. 3, what the first convex surface 111 was used to issue light source 2 Light refraction enters light in part 11, and the first plane 112 is used to reflect by the incident light in the first convex surface 111, and first Concave surface 113 is used to carry out by the incident light in the first convex surface 111 to reflex to light guide section 10, and the first plane 112 is anti- The light penetrated further reflexes to light guide section 10.
In the present embodiment, referring specifically to Fig. 5 and Fig. 6, in the present embodiment, referring specifically to Fig. 3 and Fig. 4, with light source 2 Light is divided into two regions by symmetry axis 20 (i.e. the central axis of 2 emergent light of light source), and 20 left side of symmetry axis positioned at light source 2 (is leaned on The side of nearly light guide section 10) light and inject the light in part by the first convex surface 111 along the light that symmetry axis 20 projects 11, and refract to the first concave surface 113 by the first convex surface 111 and reflected by the first concave surface 113, it is reflected through the first concave surface 113 Light a part directly directly projected from light-emitting surface 101, another part reflexes to reflective surface 100 by light-emitting surface 101, and passes through It crosses site 1000 and reflexes to the injection of light-emitting surface 101.Light positioned at 20 the right of symmetry axis (side far from light guide section 10) of light source 2 Line is incident to the first plane 112 by the first concave surface 113, and reflexes to the first concave surface 113 by the first plane 112, using The reflection of first concave surface 113, is directly directly projected from light-emitting surface 101, another portion by light a part that the first concave surface 113 is reflected Lease making crosses light-emitting surface 101 and reflexes to reflective surface 100, and reflexes to light-emitting surface 101 by site 1000 and project.By the first convex surface 111, the cooperation of the first plane 112 and the first concave surface 113 has dispersed the path of light propagation, so that light to a certain extent It is uniformly projected from light-emitting surface 101.The light and symmetry axis 20 that wherein Fig. 3 and Fig. 4 is set forth positioned at 20 left side of symmetry axis press from both sides The index path and edge that index path that angle is 15 °, the angle between the light and symmetry axis 20 on 20 the right of symmetry axis are 10 ° The index path for the light that symmetry axis 20 projects.
Backlight assembly provided by the embodiment of the utility model, compared with prior art, the backlight of the utility model embodiment Component, on the one hand, light guide plate 1 and bracket 3 are made of one molding structure, it is not necessary to be assembled, improve assembly efficiency;It is needing When disassembly, directly integrated light guide plate 1 and bracket 3 directly can be dismantled, avoid and dismantle light guide plate 1 from bracket 3 During, light guide plate 1 is scratched and causes the display effect of light guide plate 1 bad by bracket 3.
On the other hand, the light that wherein light source 2 issues is incident by the first concave surface 113 in light in part 11, and a part is passed through The reflection of first plane 112, the first concave surface 113 further reflects the light that the first plane 112 reflects and reflexes to leaded light Portion 10;A part is directly incident to the first concave surface 113 through the first convex surface 111, reflexes to light guide section 10 by the first concave surface 113.Through The cooperation for crossing the first convex surface 111, the first plane 112 and the first concave surface 113 effectively disperses in conjunction with the scattering of site 1000 The propagation path of light so that light can by light-emitting surface 101 uniformly project, and with traditional light guide plate incidence end It compares, above-mentioned light in part 11 can efficiently receive light and avoid light exposed, reduce the loss of light.
In another aspect, since the light in part makes the light out of light guide plate 1 more uniform, and then can be by the thickness of light guide plate 1 Degree is further thinned, and then is conducive to the slimming of backlight assembly.
Further, also referring to Fig. 1, Fig. 5 and Fig. 6, as backlight assembly provided by the embodiment of the utility model A kind of specific embodiment, bracket 3 are made with light guide plate 1 of the integral forming process of material one.Specifically, light guide plate 1 Substantially rectangular plate, or the clapboard that uses thickness different to be to adapt to the mounting structure of end product, the present embodiment provides The structure of light in part be preferred for the light guide plate of wedge-shaped light guide section.The bracket 3 is machined using ejection formation or plate The methods of with light guide plate 1 be integrally formed, extend from 1 edge of light guide plate.
Further, referring to Fig. 1, a kind of specific embodiment party as backlight assembly provided by the embodiment of the utility model Formula, light in part 11 are equipped with the light incidence section for light incidence, and the corresponding light incidence section setting of light source 2, the outer surface of light incidence section is avoided into light Area is equipped with the first reflecting layer (not shown), exposed by light in part 11 for further avoiding light, reduces light losing.
Further, referring to Fig. 1, a kind of specific embodiment party as backlight assembly provided by the embodiment of the utility model Formula, bracket 3 include that the side of light guide plate 1 is arranged in the integrally formed connecting plate 30 of light guide plate 1 and baffle 31, connecting plate 30, For carrying out installation connection with other components.Light in part 11 is avoided in the side of light guide plate 1 and the position of connecting plate 30 is equipped with gear Plate 31, the outer wall of baffle 31 are equipped with the second reflecting layer (not shown), which can be the reflectance coating of paper-like, The reflectance coating is plated on the outer wall of baffle 31, which can be the film layers with high reflectivity such as silver, aluminium, and its object is to right Light in part 11 reflexes to 10 light of light guide section and carries out light leakage processing, and light is avoided to project from the side of light guide section 10.
Further, refering to fig. 1, Fig. 2 and Fig. 7, a kind of tool as backlight assembly provided by the embodiment of the utility model Body embodiment, connecting plate 30 are extended with reinforcing prop 300 away from the direction of light guide section 10, and edge is reinforced on the outer wall of reinforcing prop 300 The axis direction of column 300 is equipped with several reinforcing ribs 301, convenient for forming stable connection.Baffle 31 deviates from the side of light guide section 10 To several mounting posts 310 are extended with, for the bracket 3 to be mounted on other components, specifically, several mounting posts 310 one end is equipped with bracket claw 311, and bracket claw 311 includes several claw portions 3110, between several claw portions 3110 There is slit 3111, when assembling bracket 3, there are certain elastic space, the end in claw portion 3110 in when 3110 relative constriction of claw portion Portion is equipped with barb 3112, convenient for being fixedly mounted, forms stable connection.The other end inner hollow of mounting post 310 is convenient for it His component is mounted on the bracket 3, to form stable connection.
In addition, when the integrally formed light guide plate 1 and bracket 3 are mounted on other components, due to bracket 3 and leaded light Plate 1 has formd stable connection, in this way compared to traditional backlight assembly, it is possible to reduce supporting plate on traditional bracket is to leading The support of tabula rasa 1, reduces components to a certain extent, the supporting plate pair being further reduced on bracket traditional in disassembly process The scuffing of light guide plate 1, and surface of the light guide plate 1 equipped with site 1000 is directly exposed, convenient for directly repairing.
Further, Fig. 5, Fig. 6 and Fig. 7 are please referred to, one kind as backlight assembly provided by the embodiment of the utility model The light-emitting surface 101 of specific embodiment, light guide section 10 is equipped with diffusion layer (not shown), it is preferable that diffusion layer is paper-like Diffusion barrier made of material, the diffusion barrier are plated on the light-emitting surface 101 of light guide section 10 by way of plated film, and diffusion layer is equipped with Protective film (not shown), for protecting diffusion layer.Avoid the position of diffusion layer in part around the corresponding light guide section 10 of bracket 3 Equipped with third reflecting layer (not shown), so that being penetrated from the light that site 1000 is reflected from corresponding light-emitting surface 101 Out, further such that uniform in light emission.
Further, Fig. 1, Fig. 3 and Fig. 4 are please referred to, provides the backlight assembly that embodiment provides as the utility model A kind of specific embodiment, light in part 11 are the sphenoid of mirror symmetry, the plane of symmetry 114 of sphenoid perpendicular to light guide section 10, Specifically, the angle between reflective surface 100 and the back side of light in part 11 is 85 °~95 °, and light-emitting surface 101 intersects with the plane of symmetry 114 Form the first intersection 1141, the first concave surface 113 and the plane of symmetry 114 are crossed to form the second intersection 1142, the first plane 112 with it is symmetrical Face 114 is crossed to form third intersection 1143, and the first convex surface 111 is crossed to form the 4th intersection 1144 with the plane of symmetry 114;First intersection 1141 and second intersection 1142 intersect at the first intersection point 1145, the second intersection 1142 intersects at the second intersection point with third intersection 1143 1146, third intersection 1143 and the 4th intersection 1144 intersect at third intersection point 1147;
The angle of tangent line and first intersection 1141 of second intersection 1142 at the first intersection point 1145 is obtuse angle;Second intersection The angle of 1142 tangent line at the second intersection point 1146 and third intersection 1143 is 130 °~140 °;4th intersection 1144 is in third The angle of tangent line and third intersection 1143 at intersection point 1147 is 150 °~160 °, and the radius of curvature on the first convex surface 111 is 15mm ~20mm.The light in part 11 being bent to form, light guide section 10 is preferably entered convenient for light, further assists light equably from out Smooth surface 101 projects.Preferably, the angle between reflective surface 100 and the back side of light in part 11 is 93 °, and the second intersection 1142 is The angle of tangent line and the first intersection 1141 at one intersection point 1145 is 137 °, the second intersection 1142 cutting at the second intersection point 1146 The angle of line and third intersection 1143 is 134 °, tangent line of the 4th intersection 1144 at third intersection point 1147 and third intersection 1143 Angle be 155 °, the radius of curvature on the first convex surface 111 is 17.15mm.The light in part designed above is convenient for preferably by light Line introduces, the propagation path of fully dispersed light.
The first above-mentioned concave surface 113 has first 1104 while at 1101, second, 1102, third is in 1103 and the 4th, the On one side 1101 and second side 1102 be the curved side being oppositely arranged, the plane of symmetry 114 of sphenoid is respectively perpendicular across the first side 1101 and second side 1102, third 1104 is respectively straight lines being oppositely arranged and about above-mentioned symmetrical at 1103 and the 4th Face 114 is symmetrical, first at 1101, second 1102, third 1104 enclose the of approximate isosceles trapezoid at 1103 and the 4th One concave surface 113, wherein third at 1103 and the 4th 1104 be isosceles trapezoid waist.First plane 112 is including being the second side 1102 and shaped form the 5th at the 1105, the 6th the 1106, the 7th while the 1107, the 8th while 1108 and the 9th side 1109, wherein 5th while 1105 with second while 1102 be oppositely arranged and passed through for the plane of symmetry 114, the 6th while 1106 with the 7th while 1107 be oppositely arranged, 8th while 1108 with the 9th while 1109 be oppositely arranged.First convex surface 111 includes the odd plots of land that can be cultivated being oppositely arranged with the 5th side 1105 1110, the first convex surface 111 further includes two the tenth one side 1111 being oppositely arranged and twelve edge 1112, odd plots of land that can be cultivated 1110 are straight line Side, the tenth one side 1111 and twelve edge 1112 are the curved side of curvature even variation.
Further, a kind of tool refering to Fig. 3, Fig. 5 and Fig. 6, as backlight assembly provided by the embodiment of the utility model The two sides structure of body embodiment, light in part 11 is identical and about 24 mirror symmetry of the plane of symmetry, one of side include: by The first cambered surface 1151, the second cambered surface 1152, the third cambered surface 1153 and the set gradually by close to sources 2 to the direction far from light source Four planes 1154, the first cambered surface 1151, the second cambered surface 1152, third cambered surface 1153 and fourth plane 1154 successively connect at obtuse angle In the side for connecing, and being made of the first cambered surface 1151, the second cambered surface 1152, third cambered surface 1153 and fourth plane 1154, Its one side connects on side altogether with 11 front of light in part being made of the first convex surface 111, the first plane 112 and the first concave surface 113, another Side is total to the back side of light in part 11 on one side to connect.Also, the first cambered surface 1151, the second cambered surface 1152, third cambered surface 1153 and The width of four planes 1154 is gradually incremented by.
Line of demarcation between above-mentioned first cambered surface 1151, the second cambered surface 1152, third cambered surface 1153 and fourth plane 1154 It is straight line 1155, the quantity of above-mentioned straight line 1155 is three.Specifically, the radius of curvature of the first cambered surface 1151 is 45mm~50mm, the radius of curvature of the second cambered surface 1152 are 8mm~9mm, and the radius of curvature of third cambered surface 1153 is 9~10mm. Preferably, the radius of curvature of the first cambered surface 1151 is 47.97mm, the radius of curvature of the second cambered surface 1152 is 8.82mm, third arc The radius of curvature in face 1153 is 9.7mm.Fourth plane 1154 and third cambered surface 1153 are crossed to form the 5th intersection, and one article is located at the In four planes 1154 and the straight line and fiveth intersection vertical with the 5th intersection intersect at the 4th intersection point, have one in third cambered surface 1153 Curve that is vertical with the 5th intersection and crossing the 4th intersection point, the curve the tangent line of the 4th intersection point and the angle of straight line be 160 °~ 170 °, which is specially 163 °
The utility model also provides a kind of display, and the display includes above-mentioned backlight assembly and is set to backlight The display component of the light direction of component.
Display provided by the utility model can damage when dismounting and lead using above-mentioned backlight assembly Tabula rasa 1 and influence display effect, the light guide plate 1 of special shape but also display uniform in light emission, screen bright-dark degree is uniform. The display is mainly used for having certain thickness electronic equipment, is particularly suitable for industrial display.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (10)

1. backlight assembly, it is characterised in that: including light guide plate and bracket, the edge periphery of the light guide plate is arranged in the bracket And be an integral molding structure with the light guide plate, the light guide plate includes light guide section and bending extends from the end of the light guide section Light in part for the light for issuing light source, the light guide section light-emitting surface opposite equipped with reflective surface and the reflective surface, institute It states reflective surface to be equipped with the irreflexive site of light progress in the light guide section, the light of the site reflection goes out light described in It projects in face;
The front of the light in part includes successively turn back the first convex surface, the first plane and the first concave surface of connection, and described first The light refraction that convex surface is used to issue the light source enters the light in part, and first plane will be for that will pass through the first convex surface Incident light is reflected, described in first concave surface is used to be reflexed to the light Jing Guo the first convex surface incidence Light guide section, and the light of first plane reflection is further reflexed into the light guide section.
2. backlight assembly as described in claim 1, it is characterised in that: the light in part is equipped with the light incidence section for light incidence, Light source corresponds to the light incidence section setting, and the light incidence section is avoided equipped with the first reflecting layer in the outer surface of the light in part.
3. backlight assembly as claimed in claim 2, it is characterised in that: the bracket include respectively with light guide plate one at The connecting plate and baffle of type, the connecting plate are arranged in the side of the light guide section, the side of the light guide section avoid it is described enter Light portion and the position of the connecting plate are equipped with the baffle, and the outer wall of the baffle is equipped with the second reflecting layer.
4. backlight assembly as claimed in claim 3, it is characterised in that: the baffle is extended with several away from the light guide section One end of mounting post, several mounting posts is equipped with bracket claw, and the bracket claw includes several claw portions, several There is slit between the claw portion, the end in the claw portion is equipped with barb.
5. backlight assembly as claimed in claim 4, it is characterised in that: the connecting plate is extended with reinforcement away from the light guide section Column is equipped with several reinforcing ribs along the axis direction of the reinforcing prop on the outer wall of the reinforcing prop.
6. backlight assembly as claimed in claim 5, it is characterised in that: the light-emitting surface of the light guide section is equipped with diffusion layer, institute State bracket correspond to the part around the light guide section avoid the diffusion layer position be equipped with third reflecting layer.
7. such as backlight assembly as claimed in any one of claims 1 to 6, it is characterised in that: the light in part is the wedge of mirror symmetry Body, folder of the plane of symmetry of the sphenoid perpendicular to the light guide section, between the reflective surface and the back side of the light in part Angle is 85 °~95 °, and the light-emitting surface and the plane of symmetry are crossed to form the first intersection, first concave surface and the plane of symmetry Be crossed to form the second intersection, first plane and the plane of symmetry are crossed to form third intersection, first convex surface with it is described The plane of symmetry is crossed to form the 4th intersection;First intersection and second intersection intersect at the first intersection point, second intersection The second intersection point is intersected at the third intersection, the third intersection and the 4th intersection intersect at third intersection point;
Second intersection is obtuse angle in the tangent line of first point of intersection and the angle of first intersection;
Second intersection is 130 °~140 ° in the tangent line of second point of intersection and the angle of the third intersection;
4th intersection is 150 °~160 ° in the tangent line of the third point of intersection and the angle of the third intersection, described the The radius of curvature on one convex surface is 15mm~20mm.
8. backlight assembly as claimed in claim 7, it is characterised in that: two sides of the light in part are about the plane of symmetry Mirror symmetry;The side includes successively turn back the first cambered surface, the second cambered surface, third cambered surface and the fourth plane of connection, described One side of side is total to side with the front of the light in part and connect, and the back side of the another side of the side and the light in part is total to side company It connects.
9. backlight assembly as claimed in claim 8, it is characterised in that: first cambered surface, the second cambered surface, third cambered surface and Four planes are 45mm~50mm, the song of second cambered surface by three straight line segmentations, the radius of curvature of first cambered surface Rate radius is 8mm~9mm, and the radius of curvature of the third cambered surface is 9mm~10mm.
10. display, it is characterised in that: including backlight assembly as described in any one of claim 1 to 9 and be set to backlight The display component of the light direction of component.
CN201820707629.3U 2018-05-11 2018-05-11 A kind of backlight assembly and display Active CN208239764U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108415119A (en) * 2018-05-11 2018-08-17 深圳市帝显电子有限公司 A kind of backlight module and display equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108415119A (en) * 2018-05-11 2018-08-17 深圳市帝显电子有限公司 A kind of backlight module and display equipment

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