CN202040690U - Backlight module - Google Patents
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- CN202040690U CN202040690U CN2011201260188U CN201120126018U CN202040690U CN 202040690 U CN202040690 U CN 202040690U CN 2011201260188 U CN2011201260188 U CN 2011201260188U CN 201120126018 U CN201120126018 U CN 201120126018U CN 202040690 U CN202040690 U CN 202040690U
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Abstract
The utility model relates to a backlight module, which comprises a light guide plate and a light-emitting unit, wherein the light guide plate is provided with a light exiting face, a bottom face and a side face, wherein the bottom face is opposite to the light exiting face; the side face is connected with at least one of the light exiting face and the bottom face; and light rays emitted from the light-emitting unit enter the light guide plate. The backlight module also comprises a membrane material unit. The dimension of the membrane material unit is greater than that of the light guide plate; the light guide plate is accommodated in the membrane material unit; the membrane material unit is provided with at least one shading part; the shading part is used for shielding the side face of the light guide plate; and the membrane material unit comprises a first membrane material and a second membrane material which are connected with each other. The backlight module has the beneficial effects that the light rays are prevented from outgoing from the side face of the light guide plate so as to achieve the function of preventing the light leakage on the side face of the backlight module; and a rubber frame of the backlight module of the prior art is replaced by the membrane material unit, thereby, the backlight module is beneficial to being thinned.
Description
Technical field
The utility model relates to a kind of backlight module, relates in particular to the structure of this backlight module.
Background technology
Backlight module (backlight module) is the light that spot light or line source are sent, and is the optical module of an area source by designing of optical texture.And the application of backlight module is except liquid crystal indicator, can also be as the backlight of illuminated keyboard, and advertising lamp box or the like.Along with product more and more is inclined to frivolous trend, the lightening design of backlight module also becomes an important subject under discussion gradually.
Backlight module with liquid crystal indicator is an example, and according to the position that Different Light is provided with, backlight module can be divided into two kinds of straight-down negative (direct type) and side-light types (edge light type).Please refer to shown in Figure 1ly, a kind of side light type back light module 1 of prior art is to comprise a LGP 11, a luminescence unit 12, two diffusion sheets (diffusing sheet), 13, one prismatic lenses (prism sheet), 14, one reflector plate 15 and a glue frame 16.Luminescence unit 12 with light emitting diode is to be arranged at one of LGP 11 side, two diffusion sheets 13 are to be arranged at one of LGP 11 exiting surface 111, prismatic lens 14 is to be arranged on the diffusion sheet 13, and 15 of reflector plates are adjacent to one of the relative bottom surface of LGP 11 and exiting surface 111.Wherein, LGP 11, diffusion sheet 13, prismatic lens 14 and reflector plate 15 all fix with glue frame 16.
After the light that luminescence unit 12 is sent is injected LGP 11, most of light can produce total reflection between the exiting surface 111 of LGP 11 and bottom surface, and via destroying total reflection and scatter out by exiting surface 111 in the site (figure shows) of LGP 11 bottom surfaces.After penetrating the light process diffusion sheet 13 and prismatic lens 14 of LGP 11, can obtain the good optical characteristic, and then uniform surface light source to a display panels is provided.
The backlight module 1 of prior art utilizes glue frame 16 to fix LGP 11 and other blooming piece, can prevent that also light from being penetrated by the side of LGP 11, even produce light leakage phenomena.Yet, along with backlight module 1 develops towards frivolous direction gradually, 16 of glue frames that utilize ejection formation to produce become and more and more are difficult for manufacturing and designing, and also fracture or the damage in manufacturing or assembling process easily of thin glue frame 16 causes the assembling yield of backlight module 1 to descend.
Therefore, how to provide a kind of backlight module and assemble method thereof, can prevent or reduce the side light leakage of LGP, and favourable lightening design simultaneously, one of important topic become.
Summary of the invention
The utility model technical issues that need to address have provided a kind of backlight module, are intended to solve the above problems.
In order to solve the problems of the technologies described above, the utility model is achieved through the following technical solutions:
Backlight module of the present utility model comprises: a LGP; Described LGP has an exiting surface, bottom surface and a side relative with this exiting surface, and this side is link this exiting surface and this bottom surface at least one; One luminescence unit, its light of launching is to enter this LGP; Also comprise: a film material unit, its size is greater than the size of this LGP, and this LGP is placed in this film material unit, and this film material unit has at least one light shielding part, this light shielding part is this side of covering this LGP, and this film material unit comprises one of the be connected first film material and one second film material.
Compared with prior art, the beneficial effects of the utility model are: avoid light to penetrate from the side of LGP, to reach the function that prevents backlight module side light leak; Film material unit replaces the glue frame of the backlight module of prior art, helps the slimming of backlight module.
Description of drawings
Fig. 1 is a kind of schematic diagram of backlight module of prior art;
Fig. 2 A is the decomposing schematic representation of the backlight module of the utility model first embodiment;
Fig. 2 B is the schematic diagram of the backlight module of the utility model first embodiment;
Fig. 3 is the decomposing schematic representation of a kind of backlight module of the utility model second embodiment;
Fig. 4 A and Fig. 4 B are the schematic diagram of a kind of backlight module of the utility model the 3rd embodiment;
Fig. 5 A to Fig. 5 D is the different generalized sections that change aspect of backlight module;
Decomposing schematic representation when Fig. 6 is applied to keyboard for the backlight module of one of the utility model embodiment;
Decomposing schematic representation when Fig. 7 is applied to LCD for the backlight module of one of the utility model embodiment;
Fig. 8 is a kind of luminescence unit of the utility model and the schematic side view of LGP; And
Fig. 9 is the flow chart of assemble method of a kind of backlight module of the utility model preferred embodiment.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is described in further detail:
The purpose of the utility model is for providing a kind of side light leakage that can prevent or reduce LGP, and the backlight module and the assemble method thereof of favourable lightening design simultaneously.
For reaching above-mentioned purpose, comprise a LGP, a luminescence unit and a film material unit according to a kind of backlight module of the utility model.LGP has an exiting surface, bottom surface and a side relative with this exiting surface, and this side is link this exiting surface and this bottom surface at least one.The light that luminescence unit is launched is to enter LGP.The size of film material unit is greater than the size of LGP, and LGP is placed in the film material unit, and film material unit has at least one light shielding part, and light shielding part is the side of covering LGP, and film material unit comprises one of the be connected first film material and one second film material.
In one embodiment, the first film material is to be adjacent to exiting surface, and the second film material is to be adjacent to the bottom surface.Wherein, the first film material and the second film material can stick together material and link by one.
In one embodiment, light shielding part is can be positioned at the first film material or the second film material or be positioned at the first film material and the second film material.
In one embodiment, the light shielding part of film material unit is the side of covering LGP.
In one embodiment, the light shielding part of film material unit is the bottom surface of more covering LGP.
In one embodiment, the light shielding part of film material unit is the part exiting surface that more covers LGP.
In one embodiment, film material unit has at least one opening, and opening is the plural micro-structural corresponding to exiting surface.
In one embodiment, the first film material or the second film material are an extinction film material.Wherein, extinction film material has more a reflecting layer, and the reflecting layer is positioned at one of extinction film material contact LGP inner surface.
In one embodiment, the first film material or the second film material are a light-transmissive film material, and light shielding part is to be a light-absorption layer.Wherein, the first film material or the second film material have more a reflecting layer, and reflecting layer and light-absorption layer are positioned at the same side of light-transmissive film material, and the reflecting layer is near LGP.Perhaps, the first film material or the second film material have more a reflecting layer, and reflecting layer and light-absorption layer are positioned at the not homonymy of light-transmissive film material, and the reflecting layer is near LGP.
In one embodiment, the first film material or the second film material are to be a reflective membrane material, and light shielding part is to be a light-absorption layer.
In one embodiment, backlight module more comprises a reflector plate, and it is placed in the film material unit and is adjacent to the bottom surface of LGP.
For reaching above-mentioned purpose, assemble method according to a kind of backlight module of the utility model comprises: at least one luminescence unit is set, make its light that sends enter a LGP, LGP has an exiting surface, bottom surface and a side relative with this exiting surface, and this side is link this exiting surface and this bottom surface at least one; Connect one first film material and one second film material to form a film material unit; And ccontaining LGP is in film material unit, and film material unit has a light shielding part, and light shielding part is the side of covering LGP.
In one embodiment, the size of film material unit is the size greater than LGP.
In one embodiment, assemble method more comprises: a ccontaining reflector plate and is adjacent to the bottom surface of LGP in film material unit.
In one embodiment, assemble method more comprises the plural perforate of formation in film material unit, and corresponding LGP is in the plural micro-structural of exiting surface.
From the above, backlight module of the utility model and assemble method thereof are that LGP is placed in the film material unit, and cover one of LGP side by the light shielding part of film material unit, thereby avoid light to penetrate from the side of LGP, to reach the effect that prevents backlight module side light leak.Compared with prior art, the film material unit of the utility model can replace the glue frame of prior art backlight module, helps the slimming of backlight module, but does not have the shortcoming of glue frame, and then the assembling yield of backlight module is promoted.In addition, the film material unit of the utility model is to utilize at least two film materials to link to each other to form, and can promote processing procedure speed and reduces cost, and can make corresponding shaped design according to different product designs.
Fig. 2 A is the decomposing schematic representation of the backlight module 2 of the utility model first embodiment, and Fig. 2 B is the schematic diagram of the backlight module 2 of the utility model first embodiment.Shown in Fig. 2 A and Fig. 2 B, backlight module 2 comprises a LGP 21, a luminescence unit 22 and a film material unit 23.Wherein, backlight module 2 can be applicable to illuminated keyboard, liquid crystal indicator, indication billboard or advertising lamp box, at this, is to be example with the backlight module 2 that is applied to illuminated keyboard earlier.
LGP 21 has an exiting surface 211, one of relative with exiting surface 211 bottom surface 212 and a side 213, and side 213 is between exiting surface 211 and bottom surface 212 and link at least one of exiting surface 211 and bottom surface 212.Wherein, the bottom surface 212 of LGP 21 can have plural printing net-point (figure does not show), after light is injected LGP 21, be passed to whole LGP 21 by total reflection, when light is incident upon printing net-point, then produce scattering and destroy total reflection, make light penetrate by the exiting surface 211 of LGP 21.Generally speaking, LGP 21 materials commonly used are polymethyl methacrylate (PMMA), Merlon (PC) or polystyrene (PS).
The size of film material unit 23 is greater than the size of LGP 21, and comprises one of the be connected first film material 231 and one second film material 232.Certainly, in other embodiments, film material unit 23 can comprise the film material more than three, is to be connected by two film materials 231,232 with film material unit 23 to form as an example at this.At this, the first film material 231 is adjacent to exiting surface 211, the second film material 232 is adjacent to bottom surface 212, and the first film material 231 and the second film material 232 are to stick together material (figure show) and link by one, stick together material and can be coated with and be located at three limits that luminescence unit 22 is not set in the first film material 231 and the second film material 232 and, and make film material unit 23 form an accommodation space with ccontaining LGP 21 with the two bonding.Sticking together material can for example be viscose or two-sided tape.In addition, in the present embodiment, the first film material 231 produces a linking part C when glutinous mutually with the second film material 232, represents the overlapping portion of the first film material 231 and the second film material 232.
In the present embodiment, link and after forming film material unit 23, light shielding part 233 can cover the side 213 of LGP 21 when the first film material 231 and the second film material 232.In addition, in the present embodiment, light shielding part 233 more covers the bottom surface 212 and part exiting surface 211 of LGP 21.
Fig. 3 is the decomposing schematic representation of a kind of backlight module 2 of the utility model second embodiment, is with the first embodiment main difference that wherein backlight module 2 more comprises a reflector plate 24, and it is placed in the film material unit 23 and is positioned at the bottom surface 212 of LGP 21.Reflector plate 24 can be with the light reflected back LGP 21 that spills from LGP 21 bottom surfaces 212, to increase the service efficiency of light.
Fig. 4 A is the combination schematic diagram of a kind of backlight module 3 of the utility model the 3rd embodiment, Fig. 4 B is its decomposing schematic representation, wherein the first film material 331 sticks mutually with the second film material 332 and becomes film material unit 33, and luminescence unit 32 all is placed in the film material unit 3 with LGP 31.In addition, the first film material 331 and the second film material 332 coincide and the linking part C that forms is positioned at film material unit 33.Certainly, when not having the part of overlapping, for example directly link the first film material 331 and the second film material 332, then can not produce as Fig. 2 B or linking part C shown in Figure 4 with adhesive tape if the first film material 331 and the second film material 332 link.
In the present embodiment, film material unit 33 has at least one opening, and opening is corresponding to exiting surface 311, be that to have plural opening 334 with film material unit 33 be example at this, and opening 334 is corresponding to the plural micro-structural M of exiting surface 311.Light via micro-structural M scattering after, penetrate by opening 334 again, and can the corresponding respectively button that is incident to keyboard.Film material unit 33 has light shielding part 333, and it covers side, bottom surface and the part exiting surface 311 of luminescence unit 32, LGP 31, only by the exiting surface 311 of opening 334 exposed portions serve LGPs 31.On making, except reaching with opening the printing opacity purpose, the first film material 331 of film material unit 33 is made for light-transmitting materials, and be formed light screening material to produce light shielding part 333 in the position of light shielding part 333.
In the utility model, can there be multiple variation aspect film material unit, below is to utilize the backlight module 2 shown in Fig. 2 A and Fig. 2 B to illustrate.Fig. 5 A to Fig. 5 D is the variation aspect of the different film materials of backlight module 2 collocation unit, and is the generalized section according to the A-A line segment direction of Fig. 2 B.Below see also Fig. 5 A-5D and Fig. 2 B.
Please refer to shown in Fig. 5 A, backlight module 2a comprises a LGP 21, a luminescence unit 22 and a film material unit 23a.LGP 21 comprises exiting surface 211, bottom surface 212 and side 213.Film material unit 23a comprises one first film material 231a and one second film material 232a, and the two binds mutually and forms a linking part C.
Wherein, the first film material 231a or the second film material 232a are an extinction film material, for example for being doped with the film material of black or dark pigment, be that to be all extinction film material with the first film material 231a and the second film material 232a be example at this, that is the first film material 231a and the second film material 232a are all light shielding part.Again, this extinction film material has more a reflecting layer 235a, and reflecting layer 235 is positioned at one of extinction film material contact LGP 21 inner surface.Reflecting layer 235a can be for example and without limitation to white coating or metallic reflector, and reflecting layer 235a can print, spray, binds, deposits or mode such as plating is formed on the film material unit 23.Can promote the light utilization of LGP 21 by the setting in reflecting layer 235, and extinction film material can also cover the light of penetrate through reflective layer 235a except completely cutting off the light leak of LGP 21, to reduce backlight module 2a by the light leakage phenomena outside the exiting surface 211.Be noted that in the present embodiment, 235a system in reflecting layer is arranged at the first film material 231a and the second film material 232a faces one of LGP 21 side, certainly, reflecting layer 235a also can only be arranged at the first film material 231a or the second film material 232a faces one of LGP 21 side.
Please refer to shown in Fig. 5 B, backlight module 2b comprises a LGP 21, a luminescence unit 22 and a film material unit 23b.LGP 21 comprises exiting surface 211, bottom surface 212 and side 213.Film material unit 23b comprises one first film material 231b and one second film material 232b, and the two binds mutually and forms a linking part C.
Wherein, the first film material 231b or the second film material 232b can be a light-transmissive film material, and light shielding part 233b is a light-absorption layer, in this, the first film material 231b is the light-transmissive film material, goes up and extinction but light shielding part 233b is arranged at the first film material 231b, and the second film material 232b is an extinction film material.So for the second film material 232b, the second film material 232b is all light shielding part.In addition, the first film material 231b has more a reflecting layer 235b, and reflecting layer 235b and light-absorption layer (light shielding part 233b) are positioned at the same side of light-transmissive film material (the first film material 231b), and reflecting layer 235b is near LGP 21.
In addition, backlight module 2c shown in Fig. 5 C and backlight module 2b are similar, main difference is that the reflecting layer 235c of film material unit 23c and light-absorption layer (light shielding part 233c) are positioned at the not homonymy of light-transmissive film material (the first film material 231), and reflecting layer 235c is near LGP 21.
Please refer to shown in Fig. 5 D, backlight module 2d comprises a LGP 21, a luminescence unit 22 and a film material unit 23d.LGP 21 comprises exiting surface 211, bottom surface 212 and side 213.Film material unit 23d comprises one first film material 231d and one second film material 232d, and the two binds mutually and forms a linking part C.
Wherein, the first film material 231d or the second film material 232d are a reflective membrane material, for example for being doped with the film material of white or light pigment, light shielding part 233d is a light-absorption layer, be all the reflective membrane material at this with the first film material 231d and the second film material 232d, and the edge that light shielding part 233d is positioned at the outer surface of the first film material 231d and the second film material 232d is an example.The light that spills LGP 21 is first by reflective membrane material (the first film material 231d and the second film material 232d) partial reflection at least, and still passes the light of reflective membrane material, and the light shielding part 233d that then is set at the outer surface edge absorbs, and then can reach the effect of shading.
The utility model also discloses keyboard and the liquid crystal indicator of using above-mentioned backlight module, wherein, and the decomposing schematic representation when Fig. 6 is applied to a keyboard 6 for the backlight module 3 of the utility model the 3rd embodiment.Keyboard 6 comprises a button portion 65, a backlight module 3, and backlight module 3 is identical with backlight module 3 among the 3rd embodiment, comprises a LGP 31, a luminescence unit 32, a film material unit 33, a reflector plate 34 and a circuit board 35.Circuit board 35 is to electrically connect with luminescence unit 32.Wherein, button portion 65 can be the material of light-permeable, and the plural opening 334 of film material unit 33 is corresponding to the plural button 651 in the button portion 65, so that light can appear by button 651 places, and forms luminous keyboard 6.In addition, the backlight module 3 in the keyboard 6 can certainly utilize backlight module 2 to replace.
Decomposing schematic representation when as shown in Figure 7, it is applied to liquid crystal indicator 7 for the backlight module 2 of the utility model second embodiment.Liquid crystal indicator 7 comprises a display panels 77 and backlight module 2, backlight module 2 is except the backlight module 2 with Fig. 3 has same LGP 21, luminescence unit 22, film material unit 23 and reflector plate 24, and backlight module 2 has also comprised blooming pieces such as two diffusion sheets 28 and a prismatic lens 29.The light that is penetrated by LGP 21 passes after the transmittance section of film material unit 23, after passing through diffusion sheet 28 and prismatic lens 29 again, the Luminance Distribution of its light is more even, and front face brightness also can promote effectively, light by backlight module 2 ejaculations then can provide a uniform surface light source at last, uses for display panels 77 imagings.
In addition, the luminescence unit 22 of the foregoing description all is adjacent to one of LGP 21 side, yet the luminescence unit 22 of the utility model still can be arranged at other position, for example, Fig. 8 is the schematic diagram of luminescence unit 42 and LGP 41, luminescence unit 42 also can be embedded in the LGP 41, can improve the light utilization rate of luminescence unit 42.
Fig. 9 is the flow chart of assemble method of a kind of backlight module of the utility model preferred embodiment, and assemble method comprises: at least one luminescence unit is set, makes its light of launching enter a LGP (step S01); Connect one first film material and one second film material film material to form a film material unit (step S02); And ccontaining LGP is in film material unit, and film material unit has a light shielding part, and light shielding part is to cover one of LGP side (step S03).In addition, assemble method can more comprise: a ccontaining reflector plate and is positioned at the bottom surface of LGP in film material unit.Assemble method can more comprise: form plural perforate in film material unit, and corresponding LGP is in the plural micro-structural of exiting surface.Because the assemble method of backlight module describes in detail in the embodiment of above-mentioned backlight module in the lump, so repeat no more in this.
In sum, backlight module of the utility model and assemble method thereof are that LGP is placed in the film material unit, and cover one of LGP side by the light shielding part of film material unit, thereby avoid light to penetrate from the side of LGP, to reach the effect that prevents backlight module side light leak.Compared with prior art, the mould material unit of the utility model can replace the glue frame of prior art backlight module, helps the slimming of backlight module, but does not have the shortcoming of glue frame, and then the assembling yield of backlight module is promoted.In addition, the film material unit of the utility model is to utilize at least two film materials to link to each other to form, and can promote processing procedure speed and reduces cost, and can make corresponding shaped design according to different product designs.
The above only is an illustrative, but not is restriction.Any spirit and category that does not break away from the utility model, and to its equivalent modifications of carrying out or change, all should be contained in the attached claim protection domain in back.
Claims (16)
1. a backlight module comprises: a LGP; Described LGP has an exiting surface, bottom surface and a side relative with this exiting surface, and this side is link this exiting surface and this bottom surface at least one; One luminescence unit, its light of launching is to enter this LGP; It is characterized in that also comprising: a film material unit, its size is greater than the size of this LGP, this LGP is placed in this film material unit, this film material unit has at least one light shielding part, this light shielding part is this side of covering this LGP, and this film material unit comprises one of the be connected first film material and one second film material.
2. backlight module according to claim 1 is characterized in that: this first film material is to be adjacent to this exiting surface, and this second film material is to be adjacent to this bottom surface.
3. backlight module according to claim 1 is characterized in that: this first film material and this second film material are to stick together material and link by one.
4. backlight module according to claim 1 is characterized in that: this light shielding part is to be positioned at this first film material and this second film material.
5. backlight module according to claim 1 is characterized in that: this light shielding part is to be positioned at this first film material or this second film material.
6. backlight module according to claim 1 is characterized in that: this light shielding part of this film material unit is this side of covering this LGP.
7. backlight module according to claim 1 is characterized in that: this light shielding part of this film material unit is this bottom surface of more covering this LGP.
8. backlight module according to claim 1 is characterized in that: this light shielding part of this film material unit more covers this exiting surface of part of this LGP.
9. backlight module according to claim 1 is characterized in that: this film material unit has at least one opening, and this opening is the plural micro-structural corresponding to this exiting surface.
10. backlight module according to claim 1 is characterized in that: this first film material or this second film material are an extinction film material.
11. backlight module according to claim 10 is characterized in that: this extinction film material has more a reflecting layer, and this reflecting layer is positioned at this extinction film material and contacts one of this LGP inner surface.
12. backlight module according to claim 1 is characterized in that: this first film material or this second film material are a light-transmissive film material, and this light shielding part is a light-absorption layer.
13. backlight module according to claim 12 is characterized in that: this first film material or this second film material have more a reflecting layer, and this reflecting layer and this light-absorption layer are positioned at the same side of this light-transmissive film material, and this reflecting layer is near this LGP.
14. backlight module according to claim 12 is characterized in that: this first film material or this second film material have more a reflecting layer, and this reflecting layer and this light-absorption layer are positioned at the not homonymy of this light-transmissive film material, and this reflecting layer is near this LGP.
15. backlight module according to claim 1 is characterized in that: this first film material or this second film material are a reflective membrane material, and this light shielding part is a light-absorption layer.
16. backlight module according to claim 1 is characterized in that: also comprise: a reflector plate; Described reflector plate is placed in this film material unit and is adjacent to this bottom surface of this LGP.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201260188U CN202040690U (en) | 2011-04-26 | 2011-04-26 | Backlight module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201260188U CN202040690U (en) | 2011-04-26 | 2011-04-26 | Backlight module |
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| CN202040690U true CN202040690U (en) | 2011-11-16 |
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| US9412533B2 (en) | 2013-05-27 | 2016-08-09 | Apple Inc. | Low travel switch assembly |
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| US10083805B2 (en) | 2015-05-13 | 2018-09-25 | Apple Inc. | Keyboard for electronic device |
| US10082880B1 (en) | 2014-08-28 | 2018-09-25 | Apple Inc. | System level features of a keyboard |
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-
2011
- 2011-04-26 CN CN2011201260188U patent/CN202040690U/en not_active Expired - Lifetime
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| US9449772B2 (en) | 2012-10-30 | 2016-09-20 | Apple Inc. | Low-travel key mechanisms using butterfly hinges |
| US9502193B2 (en) | 2012-10-30 | 2016-11-22 | Apple Inc. | Low-travel key mechanisms using butterfly hinges |
| US11023081B2 (en) | 2012-10-30 | 2021-06-01 | Apple Inc. | Multi-functional keyboard assemblies |
| US10699856B2 (en) | 2012-10-30 | 2020-06-30 | Apple Inc. | Low-travel key mechanisms using butterfly hinges |
| US9710069B2 (en) | 2012-10-30 | 2017-07-18 | Apple Inc. | Flexible printed circuit having flex tails upon which keyboard keycaps are coupled |
| US10254851B2 (en) | 2012-10-30 | 2019-04-09 | Apple Inc. | Keyboard key employing a capacitive sensor and dome |
| US9916945B2 (en) | 2012-10-30 | 2018-03-13 | Apple Inc. | Low-travel key mechanisms using butterfly hinges |
| US10211008B2 (en) | 2012-10-30 | 2019-02-19 | Apple Inc. | Low-travel key mechanisms using butterfly hinges |
| US10114489B2 (en) | 2013-02-06 | 2018-10-30 | Apple Inc. | Input/output device with a dynamically adjustable appearance and function |
| US9927895B2 (en) | 2013-02-06 | 2018-03-27 | Apple Inc. | Input/output device with a dynamically adjustable appearance and function |
| US9412533B2 (en) | 2013-05-27 | 2016-08-09 | Apple Inc. | Low travel switch assembly |
| US10262814B2 (en) | 2013-05-27 | 2019-04-16 | Apple Inc. | Low travel switch assembly |
| US10556408B2 (en) | 2013-07-10 | 2020-02-11 | Apple Inc. | Electronic device with a reduced friction surface |
| US9908310B2 (en) | 2013-07-10 | 2018-03-06 | Apple Inc. | Electronic device with a reduced friction surface |
| CN105518523B (en) * | 2013-09-09 | 2019-01-08 | 苹果公司 | light source window paint |
| CN105518523A (en) * | 2013-09-09 | 2016-04-20 | 苹果公司 | Light source window paint |
| US10804051B2 (en) | 2013-09-30 | 2020-10-13 | Apple Inc. | Keycaps having reduced thickness |
| US10002727B2 (en) | 2013-09-30 | 2018-06-19 | Apple Inc. | Keycaps with reduced thickness |
| US9640347B2 (en) | 2013-09-30 | 2017-05-02 | Apple Inc. | Keycaps with reduced thickness |
| US9704670B2 (en) | 2013-09-30 | 2017-07-11 | Apple Inc. | Keycaps having reduced thickness |
| US11699558B2 (en) | 2013-09-30 | 2023-07-11 | Apple Inc. | Keycaps having reduced thickness |
| US10224157B2 (en) | 2013-09-30 | 2019-03-05 | Apple Inc. | Keycaps having reduced thickness |
| US9793066B1 (en) | 2014-01-31 | 2017-10-17 | Apple Inc. | Keyboard hinge mechanism |
| US9779889B2 (en) | 2014-03-24 | 2017-10-03 | Apple Inc. | Scissor mechanism features for a keyboard |
| US9704665B2 (en) | 2014-05-19 | 2017-07-11 | Apple Inc. | Backlit keyboard including reflective component |
| US9715978B2 (en) | 2014-05-27 | 2017-07-25 | Apple Inc. | Low travel switch assembly |
| US10796863B2 (en) | 2014-08-15 | 2020-10-06 | Apple Inc. | Fabric keyboard |
| US10082880B1 (en) | 2014-08-28 | 2018-09-25 | Apple Inc. | System level features of a keyboard |
| US9870880B2 (en) | 2014-09-30 | 2018-01-16 | Apple Inc. | Dome switch and switch housing for keyboard assembly |
| US10192696B2 (en) | 2014-09-30 | 2019-01-29 | Apple Inc. | Light-emitting assembly for keyboard |
| US10134539B2 (en) | 2014-09-30 | 2018-11-20 | Apple Inc. | Venting system and shield for keyboard |
| US10128061B2 (en) | 2014-09-30 | 2018-11-13 | Apple Inc. | Key and switch housing for keyboard assembly |
| US10879019B2 (en) | 2014-09-30 | 2020-12-29 | Apple Inc. | Light-emitting assembly for keyboard |
| US10083806B2 (en) | 2015-05-13 | 2018-09-25 | Apple Inc. | Keyboard for electronic device |
| US10083805B2 (en) | 2015-05-13 | 2018-09-25 | Apple Inc. | Keyboard for electronic device |
| US9997304B2 (en) | 2015-05-13 | 2018-06-12 | Apple Inc. | Uniform illumination of keys |
| US10424446B2 (en) | 2015-05-13 | 2019-09-24 | Apple Inc. | Keyboard assemblies having reduced thickness and method of forming keyboard assemblies |
| US10468211B2 (en) | 2015-05-13 | 2019-11-05 | Apple Inc. | Illuminated low-travel key mechanism for a keyboard |
| US10128064B2 (en) | 2015-05-13 | 2018-11-13 | Apple Inc. | Keyboard assemblies having reduced thicknesses and method of forming keyboard assemblies |
| US9997308B2 (en) | 2015-05-13 | 2018-06-12 | Apple Inc. | Low-travel key mechanism for an input device |
| US9934915B2 (en) | 2015-06-10 | 2018-04-03 | Apple Inc. | Reduced layer keyboard stack-up |
| US10310167B2 (en) | 2015-09-28 | 2019-06-04 | Apple Inc. | Illumination structure for uniform illumination of keys |
| US9971084B2 (en) | 2015-09-28 | 2018-05-15 | Apple Inc. | Illumination structure for uniform illumination of keys |
| US10353485B1 (en) | 2016-07-27 | 2019-07-16 | Apple Inc. | Multifunction input device with an embedded capacitive sensing layer |
| US10115544B2 (en) | 2016-08-08 | 2018-10-30 | Apple Inc. | Singulated keyboard assemblies and methods for assembling a keyboard |
| US11282659B2 (en) | 2016-08-08 | 2022-03-22 | Apple Inc. | Singulated keyboard assemblies and methods for assembling a keyboard |
| US10755877B1 (en) | 2016-08-29 | 2020-08-25 | Apple Inc. | Keyboard for an electronic device |
| US11500538B2 (en) | 2016-09-13 | 2022-11-15 | Apple Inc. | Keyless keyboard with force sensing and haptic feedback |
| US10775850B2 (en) | 2017-07-26 | 2020-09-15 | Apple Inc. | Computer with keyboard |
| US11409332B2 (en) | 2017-07-26 | 2022-08-09 | Apple Inc. | Computer with keyboard |
| US11619976B2 (en) | 2017-07-26 | 2023-04-04 | Apple Inc. | Computer with keyboard |
| US12079043B2 (en) | 2017-07-26 | 2024-09-03 | Apple Inc. | Computer with keyboard |
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