CN102506359A - Backlight module - Google Patents
Backlight module Download PDFInfo
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- CN102506359A CN102506359A CN201110361644XA CN201110361644A CN102506359A CN 102506359 A CN102506359 A CN 102506359A CN 201110361644X A CN201110361644X A CN 201110361644XA CN 201110361644 A CN201110361644 A CN 201110361644A CN 102506359 A CN102506359 A CN 102506359A
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Abstract
The invention discloses a backlight module, which comprises a light guide plate and a light source. The light guide plate is provided with a light guide emitting surface, and a first light emitting area and a second light emitting area are defined by the light guide emitting surface. The light guide plate comprises a V-shaped light guide structure corresponding to the first light emitting area, the light source corresponding to the V-shaped light guide structure is provided with a light emitting surface, and the direction of the light emitting surface is parallel to the extension direction of a long axis of the V-shaped light guide structure. When the light source emits light, the light emitted by the light source is guided by the V-shaped light guide structure to illuminate the first light emitting area, and the second light emitting area cannot be affected by the light source. The light emitted by the light guide plate of the backlight module can be centralized.
Description
Technical field
The invention relates to a kind of module backlight, and particularly relevant for a kind of module backlight of concentrating bright dipping.
Background technology
Traditional module backlight comprises LGP and light source.Light source for example is a led light source, and it can launch light to LGP, and the light that is incident to LGP is directed to the exiting surface bright dipping, then the directive display floater.
In general, it is fan-shaped that the rising angle scope of the light of light emitted about 120 is spent, and so makes light form the fan-shaped of 120 degree accordingly from the zone of LGP bright dipping.The luminous intensity of the mid portion of rising angle scope is the strongest, and the luminous intensity at two edges of rising angle scope a little less than.Thus, luminous intensity is too disperseed, and causes the reduction of display quality, and the luminous intensity on fan-shaped two limits also is not easy control.
Summary of the invention
The present invention is relevant for a kind of module backlight, but from the light concentrated area bright dipping of the LGP bright dipping of module backlight.
The embodiment one of according to the present invention proposes a kind of module backlight.Module backlight comprises LGP, first light source and secondary light source.LGP has the leaded light exiting surface, and the leaded light exiting surface defines first output optical zone and second output optical zone.LGP comprises first protuberance and second protuberance, corresponding first output optical zone in the position of first protuberance, and corresponding second output optical zone in the position of second protuberance.Corresponding first protuberance configuration of first light source and have first exiting surface, first exiting surface towards the major axis bearing of trend that is parallel to first protuberance in fact.Corresponding second protuberance configuration of secondary light source and have second exiting surface, second exiting surface towards the major axis bearing of trend that is parallel to second protuberance in fact.Wherein, first protuberance guides bright dipping essence to the first output optical zone of first light source, and bright dipping essence to the second output optical zone of second protuberance guiding secondary light source.
As optional technical scheme, this first output optical zone and this second output optical zone are the strip output optical zone, and this first output optical zone is parallel to this second output optical zone.
As optional technical scheme; This leaded light exiting surface has adjacent long limit and minor face; This LGP has light incident sides, and this first light source and this secondary light source be to this minor face configuration that should the leaded light exiting surface, and this first exiting surface and this second exiting surface are towards this light incident sides.
As optional technical scheme, this LGP has relative light incident sides and opposite flank, and this first protuberance and this second protuberance extend to this opposite flank from this light incident sides; This module backlight more comprises the 3rd light source and the 4th light source, and the 3rd light source has the 3rd exiting surface, and the 3rd exiting surface is towards this opposite flank configuration; The 4th light source has the 4th exiting surface, and the 4th exiting surface is towards this opposite flank configuration.
As optional technical scheme, this first protuberance and this second protuberance are the V-arrangement light guide structure.
As optional technical scheme, this LGP has more the bottom surface, and this bottom surface is with respect to this leaded light exiting surface, and this first protuberance and this second protuberance are formed at one of this bottom surface and this leaded light exiting surface person.
As optional technical scheme; This LGP has more the bottom surface; This bottom surface is with respect to this leaded light exiting surface; This first protuberance and this second protuberance are formed at one of this leaded light exiting surface and this bottom surface person, and this LGP more comprises the expansion photo structure, expand another person that photo structure is formed at this leaded light exiting surface and this bottom surface.
As optional technical scheme, this LGP comprises: a plurality of these first protuberances have first groove between adjacent two these first protuberances; And a plurality of these second protuberances, have second groove between adjacent two these second protuberances; Wherein, have the 3rd groove between adjacent this first protuberance and this second protuberance, the groove width of the 3rd groove is greater than the groove width of this first groove and the groove width of this second groove.
The embodiment one of according to the present invention proposes a kind of module backlight.Module backlight comprises the LGP and first light source.LGP has the leaded light exiting surface, and the leaded light exiting surface defines first output optical zone and second output optical zone, and LGP comprises the V-arrangement light guide structure, corresponding first output optical zone of V-arrangement light guide structure.The corresponding V-arrangement light guide structure configuration of first light source and have first exiting surface, first exiting surface towards the major axis bearing of trend that is parallel to the V-arrangement light guide structure in fact.Wherein, when first light source luminescent, the V-arrangement light guide structure guides the bright dipping of first light source to illuminate first output optical zone, and the second output optical zone essence does not receive the influence of light that of first light source.
As optional technical scheme, this leaded light exiting surface has adjacent long limit and minor face, and this first light source is to this minor face configuration that should the leaded light exiting surface; This LGP comprises a plurality of these V-arrangement light guide structures, and a plurality of these V-arrangement light guide structures have vee-cut to should first output optical zone and this second output optical zone between adjacent two these V-arrangement light guide structures; This module backlight more comprises secondary light source, and this secondary light source is to this minor face configuration that should the leaded light exiting surface, and this secondary light source has second exiting surface, this second exiting surface towards the major axis bearing of trend that is parallel to those V-arrangement light guide structures.
As optional technical scheme; This LGP has relative light incident sides and opposite flank; This leaded light exiting surface has adjacent long limit and minor face, this first light source to this first exiting surface of this minor face configuration that should the leaded light exiting surface and this first light source towards this light incident sides; This LGP comprises a plurality of these V-arrangement light guide structures, has vee-cut between adjacent two these V-arrangement light guide structures; This module backlight more comprises the 3rd light source, and the 3rd light source has the 3rd exiting surface, and the 3rd exiting surface is towards this opposite flank.
As optional technical scheme; This LGP comprises a plurality of these V-arrangement light guide structures; Has first vee-cut between adjacent two these V-arrangement light guide structures; And have second vee-cut between adjacent two these V-arrangement light guide structures in addition, wherein this first vee-cut is adjacent to this second output optical zone, and the groove width of this first vee-cut is greater than the groove width of this second vee-cut.
The embodiment one of according to the present invention proposes a kind of module backlight.Module backlight comprises LGP and light source.LGP has leaded light exiting surface and light incident sides, and the leaded light exiting surface defines second output optical zone of first output optical zone and adjacent first output optical zone, and LGP comprises first plane of refraction, corresponding first output optical zone of first plane of refraction.The corresponding light incident sides configuration of light source and have first exiting surface, first exiting surface towards the bearing of trend that is parallel to first plane of refraction in fact.Wherein, when light source luminescent, the light of light source is advanced along second direction behind first plane of refraction along first direction emission, and first direction is towards second output optical zone, and second direction is towards first output optical zone.
As optional technical scheme, this LGP comprises second plane of refraction, and this second plane of refraction is to should first output optical zone, this first exiting surface towards the bearing of trend that is parallel to this second plane of refraction;
Wherein, when this light source luminescent, this light along third direction emission behind this second plane of refraction along the four directions to advancing, this third direction is away from this second output optical zone, this four directions is to towards this first output optical zone.
Compared with prior art; Module backlight of the present invention; Since first exiting surface towards the major axis bearing of trend that is parallel to first protuberance and second exiting surface towards the major axis bearing of trend that is parallel to second protuberance; So first protuberance can guide bright dipping to the first output optical zone of first light source, and second protuberance can guide bright dipping to the second output optical zone of secondary light source.Thus, second output optical zone does not receive the influence of light that of first light source, therefore can easily control the go out luminous intensity of light from LGP.
For there is better understanding above-mentioned and other aspect of the present invention, hereinafter is special lifts embodiment, and cooperates appended graphicly, elaborates as follows:
Description of drawings
Fig. 1 illustrates the vertical view according to the module backlight of one embodiment of the invention.
Fig. 2 illustrates the cutaway view of direction 2-2 ' among Fig. 1.
Fig. 3 illustrates the profile according to the LGP of the module backlight of another embodiment of the present invention.
Fig. 4 illustrates the profile according to the LGP of the module backlight of another embodiment of the present invention.
Fig. 5 A illustrates the partial top view according to the module backlight of another embodiment of the present invention.
Fig. 5 B illustrates among Fig. 5 A the cutaway view along direction 5B-5B '.
Fig. 6 illustrates the profile according to the LGP of the module backlight of another embodiment of the present invention.
Fig. 7 illustrates the vertical view according to the module backlight of another embodiment of the present invention.
The specific embodiment
Please with reference to Fig. 1 and Fig. 2, Fig. 1 illustrates the vertical view according to the module backlight of one embodiment of the invention, and Fig. 2 illustrates the cutaway view of direction 2-2 ' among Fig. 1.
As shown in Figure 1, module 100 backlight comprises LGP 110, several first light sources 120 and several secondary light sources 130.
LGP 110 has leaded light exiting surface 110u, leaded light exiting surface 110u several first output optical zone 110r1 of definition and several second output optical zones 110r2.Among another embodiment, the leaded light exiting surface 110u of LGP 110 also can only define single first output optical zone 110r1 and the single second output optical zone 110r2.In the present embodiment, the first output optical zone 110r1 and the second output optical zone 110r2 are the strip output optical zone, and the first output optical zone 110r1 can be parallel to the second output optical zone 110r2 in fact, and so this is non-in order to restriction the present invention.
Leaded light exiting surface 110u has adjacent long limit 110u1 and minor face 110u2, the border of wherein long limit 110u1 and minor face 110u2 definition leaded light exiting surface 110u.LGP 110 has relative light incident sides 110s1 and opposite flank 110s2.The minor face 110u2 of leaded light exiting surface 110u extends between light incident sides 110s1 and the opposite flank 110s2.
As shown in Figure 2, LGP 110 comprises several first protuberances 111 and several second protuberances 112.LGP 110 has more bottom surface 110b, and bottom surface 110b is with respect to leaded light exiting surface 110u.First protuberance 111 and second protuberance 112 are formed at one of bottom surface 110b and leaded light exiting surface 110u person, and in the present embodiment, first protuberance 111 and second protuberance 112 are the example explanation to be formed at leaded light exiting surface 110u.Among another embodiment, the quantity of first protuberance 111 and second protuberance 112 can be respectively single, yet the present invention does not do any restriction to the quantity of first protuberance 111 and second protuberance 112.
In the present embodiment, the corresponding first output optical zone 110r1 in the position of several first protuberances 111, and the corresponding second output optical zone 110r2 in the position of several second protuberances 112.Among another embodiment, the position of single first protuberance 111 can the corresponding first output optical zone 110r1 and/or the position of single second protuberance 112 can the corresponding second output optical zone 110r2.
Shown in the enlarged drawing of local A ' among Fig. 2, first protuberance 111 and second protuberance 112 are the V-arrangement light guide structure.With first protuberance 111 is the example explanation, and the side 111s of first protuberance 111 can be the plane.Among another embodiment, the side 111s of first protuberance 111 also can be curved surface, for example is inner sunken face or outer convex surface, and wherein outer convex surface for example is rounded face or ellipsoid.Perhaps, the side 111s of first protuberance 111 can comprise several segmented surface (in curved surface and the plane at least one), and adjacent two these segmented surface can link together.The section shape of first protuberance 111 for example is polygon, circle or oval, and wherein polygon for example is triangle (being the V-arrangement protuberance), trapezoidal or quadrangle.Say further, so long as can produce the application that any structure of the spotlight effect shown in the enlarged drawing of local A ' among Fig. 2 all can be used as first protuberance 111.In addition, the two the section shape at least of those first protuberances 111 can be inequality or identical.The structural similarity of second protuberance 112 holds this and repeats no more in the structure of first protuberance 111.
Shown in the enlarged drawing of local A ' among Fig. 2, have the first groove R1 between adjacent 2 first protuberances 111, and have the second groove R2 between adjacent 2 second protuberances 112.The groove depth of the two can be identical or different in fact at least among those first grooves R1; And the groove width of the two can be identical or different in fact at least among those first grooves R1; Similarly; The groove depth of the two can be identical or different in fact at least among those second grooves R2, and the groove width of the two can be identical or different in fact at least among those second grooves R2.In addition, the bottom land of those the first grooves R1 apart distance of the bottom surface 110b of LGP 110 can equate or be not exclusively equal that similarly, the bottom land of those the second grooves R2 apart distance of the bottom surface 110b of LGP 110 can equate or be not exclusively equal.
Shown in the enlarged drawing of local A ' among Fig. 2, has the 3rd groove R3 between the first adjacent protuberance 111 and second protuberance 112.The position of the 3rd groove R3 can be adjacent to the first output optical zone 110r1 or the second output optical zone 110r2.For example, the position of the 3rd groove R3 is adjacent to the intersection of the first output optical zone 110r1 and the second output optical zone 110r2.That is to say that compared to the first groove R1 and the second groove R2, the 3rd groove R3 is more near the intersection of the first output optical zone 110r1 and the second output optical zone 110r2.
As shown in Figure 2; In the present embodiment; The groove width W3 of the 3rd groove R3 is greater than the groove width W1 of the first groove R1 and the groove width W2 of the second groove R2, and for example the 3rd groove R3 is that first V-groove is the broad V-groove, and the first groove R1 and the second groove R2 are the promptly narrower V-groove of second V-groove.Thus; Can avoid light (for example being light) to be incident in another output optical zone (for example being another person who is incident to first protuberance 111 and second protuberance 112), make the output optical zone of adjacent two output optical zones more obvious at a distance from effect through the 3rd groove R3 from the person's bright dipping of one of first protuberance 111 and second protuberance 112 from a wherein output optical zone bright dipping.Among another embodiment, the groove width W3 of the 3rd groove R3 also can less than or equal the groove width W1 of the first groove R1 and the groove width W2 of the second groove R2 in fact.In addition, the groove depth of the 3rd groove R3 also can less than or equal the groove depth of the first groove R1 and the groove depth of the second groove R2 in fact.
Like Fig. 1 and shown in Figure 2, first light source 120 corresponding first protuberances 111 configurations and have the first exiting surface 120u.The first exiting surface 120u towards the major axis bearing of trend S1 that is parallel to first protuberance 111 in fact.In the present embodiment, the 120 corresponding single first output optical zone 110r1 configurations of single first light source.Among another embodiment, a plurality of first light sources 120 can corresponding single first output optical zone 110r1 configuration.In addition, first light source 120 for example is a light emitting diode.
Like Fig. 1 and shown in Figure 2, secondary light source 130 corresponding second protuberances 112 configurations and have the second exiting surface 130u.The second exiting surface 130u towards the major axis bearing of trend S1 that is parallel to second protuberance 112 in fact.In the present embodiment, single secondary light source 130 corresponding single second output optical zone 110r2 configurations.Among another embodiment, a plurality of secondary light sources 130 can corresponding single second output optical zone 110r2 configuration.In addition, secondary light source 130 for example is a light emitting diode.
The minor face 110u2 configuration of first light source 120 and secondary light source 130 corresponding leaded light exiting surface 110u.First light source 120 disposes towards light incident sides 110s1 with the first exiting surface 120u, and secondary light source 130 disposes towards light incident sides 110s1 with the second exiting surface 130u.
In the present embodiment, the position between first light source 120 and the secondary light source 130 can corresponding first protuberance 111 and second protuberance 112 between the position, for example be corresponding the 3rd groove R3, the right embodiment of the invention is not as limit.
In addition, module 100 backlight comprises that more first lamp guide, 160, the first lamp guides 160 comprise first light source 120 and secondary light source 130.The 160 corresponding long limit 110u1 configurations of first lamp guide.First lamp guide 160 more comprises circuit board (not illustrating), and this circuit board is electrically connected at first light source 120 and secondary light source 130, to control the intensity of first light source 120 and secondary light source 130 emission light to LGPs 110 respectively.
Like Fig. 1 and shown in Figure 2; Since the first exiting surface 120u towards the major axis bearing of trend S1 that is parallel to first protuberance 111 in fact and the second exiting surface 130u towards the major axis bearing of trend S1 that is parallel to second protuberance 112 in fact; So first protuberance 111 can guide bright dipping L (Fig. 2) essence to the first output optical zone 110r1 of first light source 120, and second protuberance 112 can guide bright dipping L (Fig. 2) essence to the second output optical zone 110r2 of secondary light source 130.Thus, the second output optical zone 110r2 does not receive the influence of light that of first light source 120 in fact, therefore can easily control the go out luminous intensity of light from LGP.That is to say; But the bright dipping L of first light source 120 sees through the first output optical zone 110r1 that the guiding concentrated area of first protuberance 111 is emitted to LGP 110, but and the bright dipping L of secondary light source 130 sees through the second output optical zone 110r2 that the guiding concentrated area of second protuberance 112 is emitted to LGP 110.
Please with reference to Fig. 3, it illustrates the profile according to the LGP of the module backlight of another embodiment of the present invention.Another first protuberance 111 and another second protuberance 112 can be formed at the bottom surface 110b of LGP 210.
Please with reference to Fig. 4, it illustrates the profile according to the LGP of the module backlight of another embodiment of the present invention.LGP 310 more comprises at least one expansion photo structure 313, and it is formed at the bottom surface 110b of LGP 110.
Expanding photo structure 313 for example is lattice point structure.Being incident to the light that expands photo structure 313 can be by diffusion or by the leaded light exiting surface 110u of diffusion to LGP 110.
Please with reference to Fig. 5 A, it illustrates the partial top view according to the module backlight of another embodiment of the present invention.Module 500 backlight comprises LGP 510 and light source 120.LGP 510 has leaded light exiting surface 110u and light incident sides 110s1.The adjacent first output optical zone 110r1 and the second output optical zone 110r2 of leaded light exiting surface 110u definition of LGP 510.The first output optical zone 110r1 and the second output optical zone 110r2 stretch along bearing of trend S2 edge.The corresponding light incident sides 110s1 configuration of light source 120 and have the first exiting surface 120u.
Please with reference to Fig. 5 B, it illustrates among Fig. 5 A the cutaway view along direction 5B-5B '.LGP 510 comprises at least one first plane of refraction P1, the corresponding first output optical zone 110r1 of the first plane of refraction P1.The first exiting surface 120u of light source 120 (the first exiting surface 120u is illustrated in Fig. 5 A) towards the bearing of trend S2 that is parallel to the first plane of refraction P1 in fact (bearing of trend S2 is illustrated in Fig. 5 A).
Shown in Fig. 5 B, when light source 120 was luminous, the light L of light source 120 advanced along second direction D2 behind the first plane of refraction P1 along first direction D1 emission, and wherein, first direction D1 is towards the second output optical zone 110r2, and second direction D2 is towards the first output optical zone 110r1.Say that further light L concentrates toward the first output optical zone 110r1 after through the first plane of refraction P1.In addition, the profile profile of the first plane of refraction P1 can be held this and repeat no more similar in appearance to the side 111s of first protuberance 111.
Please with reference to Fig. 6, it illustrates the profile according to the LGP of the module backlight of another embodiment of the present invention.Compared to LGP 510, LGP 610 has more at least one second plane of refraction P2.The corresponding first output optical zone 110r1 of the second plane of refraction P2, the first exiting surface P1 of light source 120 (the first exiting surface 120u is illustrated in Fig. 5 A) towards the bearing of trend S2 that is parallel to the second plane of refraction P2 in fact (bearing of trend S2 is illustrated in Fig. 5 A).
When light source 120 was luminous, light L advanced to D4 along third direction D3 emission four directions, edge through the second plane of refraction P2 after, and wherein, third direction D3 is away from the second output optical zone 110r2, the four directions to D4 towards the first output optical zone 110r1.Say that further light L concentrates toward the first output optical zone 110r1 after through the first plane of refraction P1 and the second plane of refraction P2.In addition, the profile profile of the second plane of refraction P2 can be held this and repeat no more similar in appearance to the first plane of refraction P1.
Please with reference to Fig. 7, it illustrates the vertical view according to the module backlight of another embodiment of the present invention.Module 400 backlight comprises LGP 110, several first light sources 120 and several secondary light sources 130, several the 3rd light sources 420 and several the 4th light sources 430.
The minor face 110u2 configuration of the 3rd light source 420 and the 4th light source 430 corresponding LGPs 110.The 3rd light source 420 has the 3rd exiting surface 420u, and the 3rd light source 420 is with the 3rd exiting surface 420u 110s2 configuration towards the opposite flank.The 4th light source 430 has the 4th exiting surface 430u, and the 4th light source 430 is with the 4th exiting surface 430u 110s2 configuration towards the opposite flank.Because module 400 backlight disposes first light source 120, secondary light source 130, the 3rd light source 420 and the 4th light source 430 simultaneously, thus can increase module 400 backlight go out the luminous intensity and the uniformity.
In addition, module 100 backlight comprises that more second lamp guide, 460, the second lamp guides 460 comprise the 3rd light source 420 and the 4th light source 430.The 460 corresponding minor face 110u2 configurations of second lamp guide.
The module backlight 100,400 and 500 of the foregoing description can be applicable to display floater, to constitute display unit with display floater.Display floater for example is display panels or Organic Light Emitting Diode (Organic Light-Emitting Diode, OLED) display.
The module backlight of the above embodiment of the present invention; Since first exiting surface towards the major axis bearing of trend that is parallel to first protuberance in fact and second exiting surface towards the major axis bearing of trend that is parallel to second protuberance in fact; So first protuberance can guide bright dipping essence to the first output optical zone of first light source, and second protuberance can guide bright dipping essence to the second output optical zone of secondary light source.Thus, second output optical zone does not receive the influence of light that of first light source, therefore can easily control the go out luminous intensity of light from LGP.
In sum, though the present invention discloses as above with embodiment, so it is not in order to limit the present invention.Have common knowledge the knowledgeable in the technical field under the present invention, do not breaking away from the spirit and scope of the present invention, when doing various changes and retouching.Therefore, protection scope of the present invention is as the criterion when looking the claim person of defining.
Claims (14)
1. module backlight is characterized in that comprising:
LGP; Have the leaded light exiting surface, this leaded light exiting surface defines first output optical zone and second output optical zone, and this LGP comprises first protuberance and second protuberance; The position of this first protuberance is to should first output optical zone, and the position of this second protuberance is to should second output optical zone;
First light source, to should first protuberance configuration and have first exiting surface, this first exiting surface towards the major axis bearing of trend that is parallel to this first protuberance; And
Secondary light source, to should second protuberance configuration and have second exiting surface, this second exiting surface towards the major axis bearing of trend that is parallel to this second protuberance;
Wherein, the bright dipping of this this first light source of first protuberance guiding is to this first output optical zone, and the bright dipping of this this secondary light source of second protuberance guiding is to this second output optical zone.
2. module backlight as claimed in claim 1 it is characterized in that this first output optical zone and this second output optical zone are the strip output optical zone, and this first output optical zone is parallel to this second output optical zone.
3. module backlight as claimed in claim 1; It is characterized in that this leaded light exiting surface has adjacent long limit and minor face; This LGP has light incident sides; This first light source and this secondary light source be to this minor face configuration that should the leaded light exiting surface, and this first exiting surface and this second exiting surface are towards this light incident sides.
4. module backlight as claimed in claim 1 is characterized in that this LGP has relative light incident sides and opposite flank, and this first protuberance and this second protuberance extend to this opposite flank from this light incident sides;
This module backlight more comprises:
The 3rd light source has the 3rd exiting surface, and the 3rd exiting surface is towards this opposite flank configuration; And
The 4th light source has the 4th exiting surface, and the 4th exiting surface is towards this opposite flank configuration.
5. module backlight as claimed in claim 1 is characterized in that this first protuberance and this second protuberance are the V-arrangement light guide structure.
6. module backlight as claimed in claim 1 is characterized in that this LGP has more the bottom surface, and this bottom surface is with respect to this leaded light exiting surface, and this first protuberance and this second protuberance are formed at one of this bottom surface and this leaded light exiting surface person.
7. module backlight as claimed in claim 1 is characterized in that this LGP has more the bottom surface, and this bottom surface is with respect to this leaded light exiting surface, and this first protuberance and this second protuberance are formed at one of this leaded light exiting surface and this bottom surface person, and this LGP more comprises:
Expand photo structure, be formed at another person of this leaded light exiting surface and this bottom surface.
8. module backlight as claimed in claim 1 is characterized in that this LGP comprises:
A plurality of these first protuberances have first groove between adjacent two these first protuberances; And
A plurality of these second protuberances have second groove between adjacent two these second protuberances;
Wherein, have the 3rd groove between adjacent this first protuberance and this second protuberance, the groove width of the 3rd groove is greater than the groove width of this first groove and the groove width of this second groove.
9. module backlight is characterized in that comprising:
LGP has the leaded light exiting surface, and this leaded light exiting surface defines first output optical zone and second output optical zone, and this LGP comprises the V-arrangement light guide structure, and this V-arrangement light guide structure is to should first output optical zone;
First light source, to should the V-arrangement light guide structure configuration and have first exiting surface, this first exiting surface towards the major axis bearing of trend that is parallel to this V-arrangement light guide structure;
Wherein, when this first light source luminescent, this first output optical zone is illuminated in the bright dipping of this this first light source of V-arrangement light guide structure guiding, and this second output optical zone does not receive the influence of light that of this first light source.
10. module backlight as claimed in claim 9 is characterized in that this leaded light exiting surface has adjacent long limit and minor face, and this first light source is to this minor face configuration that should the leaded light exiting surface; This LGP comprises a plurality of these V-arrangement light guide structures, and a plurality of these V-arrangement light guide structures have vee-cut to should first output optical zone and this second output optical zone between adjacent two these V-arrangement light guide structures;
This module backlight more comprises secondary light source, and this secondary light source is to this minor face configuration that should the leaded light exiting surface, and this secondary light source has second exiting surface, this second exiting surface towards the major axis bearing of trend that is parallel to those V-arrangement light guide structures.
11. module backlight as claimed in claim 9; It is characterized in that this LGP has relative light incident sides and opposite flank; This leaded light exiting surface has adjacent long limit and minor face, this first light source to this first exiting surface of this minor face configuration that should the leaded light exiting surface and this first light source towards this light incident sides; This LGP comprises a plurality of these V-arrangement light guide structures, has vee-cut between adjacent two these V-arrangement light guide structures;
This module backlight more comprises the 3rd light source, and the 3rd light source has the 3rd exiting surface, and the 3rd exiting surface is towards this opposite flank.
12. module backlight as claimed in claim 9; It is characterized in that this LGP comprises a plurality of these V-arrangement light guide structures; Has first vee-cut between adjacent two these V-arrangement light guide structures; And have second vee-cut between adjacent two these V-arrangement light guide structures in addition, wherein this first vee-cut is adjacent to this second output optical zone, and the groove width of this first vee-cut is greater than the groove width of this second vee-cut.
13. a module backlight is characterized in that comprising:
LGP has leaded light exiting surface and light incident sides, and this leaded light exiting surface defines second output optical zone of first output optical zone and adjacent this first output optical zone, and this LGP comprises first plane of refraction, and this first plane of refraction is to should first output optical zone;
Light source, to should light incident sides configuration and have first exiting surface, this first exiting surface towards the bearing of trend that is parallel to this first plane of refraction;
Wherein, when this light source luminescent, the light of this light source is advanced along second direction behind this first plane of refraction along the first direction emission, and this first direction is towards this second output optical zone, and this second direction is towards this first output optical zone.
14. module backlight as claimed in claim 13 is characterized in that this LGP comprises second plane of refraction, this second plane of refraction is to should first output optical zone, this first exiting surface towards the bearing of trend that is parallel to this second plane of refraction;
Wherein, when this light source luminescent, this light along third direction emission behind this second plane of refraction along the four directions to advancing, this third direction is away from this second output optical zone, this four directions is to towards this first output optical zone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110361644XA CN102506359A (en) | 2011-11-16 | 2011-11-16 | Backlight module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110361644XA CN102506359A (en) | 2011-11-16 | 2011-11-16 | Backlight module |
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| CN102506359A true CN102506359A (en) | 2012-06-20 |
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| CN201110361644XA Pending CN102506359A (en) | 2011-11-16 | 2011-11-16 | Backlight module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108506790A (en) * | 2018-02-07 | 2018-09-07 | 苏州佳世达电通有限公司 | Backlight module and apply its display device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060244877A1 (en) * | 2005-04-27 | 2006-11-02 | Noh Jae-Heon | Liquid crystal display apparatus having a light guiding plate |
| US20060291253A1 (en) * | 2005-06-10 | 2006-12-28 | Heu-Gon Kim | Light-guide plate, backlight assembly and liquid crystal display device having the same |
| CN101196597A (en) * | 2006-12-08 | 2008-06-11 | 鸿富锦精密工业（深圳）有限公司 | Light conducting plate and back light module unit |
| CN101206284A (en) * | 2006-12-22 | 2008-06-25 | 鸿富锦精密工业（深圳）有限公司 | Light conducting plate and back light module unit |
| CN101210976A (en) * | 2006-12-25 | 2008-07-02 | 鸿富锦精密工业（深圳）有限公司 | light conducting plate and backlight module group |
-
2011
- 2011-11-16 CN CN201110361644XA patent/CN102506359A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060244877A1 (en) * | 2005-04-27 | 2006-11-02 | Noh Jae-Heon | Liquid crystal display apparatus having a light guiding plate |
| US20060291253A1 (en) * | 2005-06-10 | 2006-12-28 | Heu-Gon Kim | Light-guide plate, backlight assembly and liquid crystal display device having the same |
| CN101196597A (en) * | 2006-12-08 | 2008-06-11 | 鸿富锦精密工业（深圳）有限公司 | Light conducting plate and back light module unit |
| CN101206284A (en) * | 2006-12-22 | 2008-06-25 | 鸿富锦精密工业（深圳）有限公司 | Light conducting plate and back light module unit |
| CN101210976A (en) * | 2006-12-25 | 2008-07-02 | 鸿富锦精密工业（深圳）有限公司 | light conducting plate and backlight module group |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108506790A (en) * | 2018-02-07 | 2018-09-07 | 苏州佳世达电通有限公司 | Backlight module and apply its display device |
| CN108506790B (en) * | 2018-02-07 | 2020-01-24 | 苏州佳世达电通有限公司 | Backlight module and display device using same |
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Application publication date: 20120620 |