CN105320347A - Touch display device - Google Patents
Touch display device Download PDFInfo
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- CN105320347A CN105320347A CN201510312121.4A CN201510312121A CN105320347A CN 105320347 A CN105320347 A CN 105320347A CN 201510312121 A CN201510312121 A CN 201510312121A CN 105320347 A CN105320347 A CN 105320347A
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- display apparatus
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Abstract
A touch display device is provided. The touch display device includes a display panel and a touch panel. The display panel displays a display image with a linear-polarized state, and includes an upper polarizer with a transmission axis. The touch panel is disposed on the display panel. The touch panel includes a substrate with a fast axis. The display image is converted from the linear-polarized state to the circular-polarized state when the passing through the fast axis. A touch display device having a plurality of substrates is provided. Since the substrate having the fast axis replaces the original substrate of the touch panel without adding an additional substrate, the touch display device is thinner.
Description
Technical field
The invention relates to a kind of touch control display apparatus, and relate to a kind of touch control display apparatus that user can be allowed to be watched by polarization element especially.
Background technology
Along with the development of science and technology, electronic product has been widely used in daily life.Carry more convenient, volume and more lightly change to reach and operate more humane object, many electronic products, by input medias such as traditional keyboard or mouses, change into and adopt touch control manner input.Such as, mobile phone in mobile electronic product or panel computer etc. are the touch control display apparatus that contact panel and display panel are combined into.
When driving a vehicle or move, in order to reduce the impact of extraneous light on eyes, the user of touch control display apparatus may wear the display frame of polarization type sunglasses viewing screen.But, because image polarisation of light direction may be orthogonal with the polarization direction of polarization type sunglasses, cause user to see entirely black picture, and cause the inconvenience of user.In detail, Figure 1A is depicted as sunglasses and general touch control display apparatus and arranges in pairs or groups the schematic diagram used.Please refer to Figure 1A, touch control display apparatus 100 comprises display panel 110 and contact panel 130.Display panel 110 is in order to show image, and display panel 110 has upper polarizer 112, and upper polarizer 112 has penetrating shaft (not shown).When user wears polarization type sunglasses G with different viewing angle θ touch control display apparatus 100, because the show image of touch control display apparatus 100 belongs to linear polarization, the brightness that therefore user sees can have notable difference along with polarization type sunglasses G viewing angle θ difference.Figure 1B is depicted as the luminous intensity distribution result that touch control display apparatus and the angle folded by polarization type sunglasses G change, please refer to Figure 1B, angle between the penetrating shaft and polarization type sunglasses G of upper polarizer 112 is about 150 degree or 330 degree, the touch control display apparatus that user sees is almost do not have brightness.
The mode of additional configuration one deck quarter-wave plate on a display panel can be adopted traditionally, so that the linear polarization of show image is converted to circular polarization state, and when avoiding user to wear polarization type sunglasses to watch touch control display apparatus, there is the problem of brightness disproportionation in different angles.Introduce this type of touch control display apparatus existing at present below simply.
Fig. 2 A is depicted as the diagrammatic cross-section of wherein a kind of existing touch control display apparatus.Please refer to Fig. 2 A, touch control display apparatus 200a comprises backlight module 240a, display panels 210a, the quarter-wave plate 220a and contact panel 230a of sequential.Display panels 210a also comprises lower polaroid 216a, liquid crystal layer 214a and the upper polarizer 212a of sequential.Quarter-wave plate 220a is configured between upper polarizer 212a and contact panel 230a.
Fig. 2 B is depicted as the diagrammatic cross-section of another kind of existing touch control display apparatus.Please refer to Fig. 2 B, touch control display apparatus 200b comprises organic electroluminescence display panel 210b, quarter-wave plate 220b and the cover plate 230b of sequential.Organic electroluminescence display panel 210b also comprises organic light emitting display layer 214b (having integrated/in-building type (on-cell/in-cell) touch-control module), the lower quarter-wave plate 216b and upper polarizer 212b of sequential.
Above-mentioned two kinds of touch control display apparatus are all through quarter-wave plate 220a, 220b and the light of linear polarization are converted to circular polarization state, to make light roughly the same at the component of each polarised direction, and improve the problem that there is brightness disproportionation when user wears polarization type sunglasses to watch touch control display apparatus in different angles.But above-mentioned touch control display apparatus all needs additional configuration one deck quarter-wave plate, and make the thickness of touch control display apparatus be difficult to reduce, do not meet the trend that electronic product is now compact.
Summary of the invention
The invention provides a kind of touch control display apparatus, it when user is watched by polarization element, can maintain certain display quality, and has thinner thickness.
A kind of overcurrent protection of the present invention, touch control display apparatus, it comprises display panel and contact panel.Display panel is in order to show show image, and show image has linear polarization, and display panel comprises upper polarizer, and wherein upper polarizer has penetrating shaft.Contact panel is configured on display panel, and contact panel comprises substrate, and wherein substrate has fast axle, and above-mentioned show image is converted to circular polarization state by above-mentioned linear polarization after above-mentioned fast axle.
In one embodiment of this invention, the angle between above-mentioned fast axle and penetrating shaft is between 5 degree to 85 degree.
In one embodiment of this invention, above-mentioned display panel is display panels or organic LED display panel.
In one embodiment of this invention, the structure of above-mentioned contact panel comprises monolithic glass structure (OneGlassSolution, OGS), glass-film layer structure (Glass-film, GF), glass-rete 2 structure (glass-film2, or glass-rete-film layer structure (Glass-film-film, GFF) GF2).
In one embodiment of this invention, the material of aforesaid substrate comprises polyethylene terephthalate (polyethyleneterephthalate, PET), cyclic olefine copolymer (cyclo-olefinpolymer, COP) resin or Triafol T (Tri-AcetylCellulose, TAC).
The present invention separately proposes a kind of touch control display apparatus, and it comprises display panel and contact panel.Display panel is in order to show show image, and show image has linear polarization, and display panel comprises upper polarizer, and wherein upper polarizer has penetrating shaft.Contact panel is configured on display panel, and contact panel comprises multiple substrate, wherein each substrate has fast axle, and these fast axles of these substrates are equivalent to the fast axle of assembly, and above-mentioned show image is converted to circular polarization state by above-mentioned linear polarization after the fast axle of above-mentioned assembly.
In one embodiment of this invention, the angle between the fast axle of above-mentioned assembly and penetrating shaft is between 5 degree to 85 degree.
In one embodiment of this invention, above-mentioned display panel is display panels or organic LED display panel.
In one embodiment of this invention, the structure of above-mentioned contact panel comprises glass-rete-film layer structure (Glass-film-film, GFF).
In one embodiment of this invention, the material of aforesaid substrate comprises polyethylene terephthalate (polyethyleneterephthalate, PET), cyclic olefine copolymer (cyclo-olefinpolymer, COP) resin or Triafol T (Tri-AcetylCellulose, TAC).
Based on above-mentioned, in the contact panel of the touch control display apparatus of embodiments of the invention, the substrate with fast axle selected by least one substrate, after show image is by the fast axle (or fast axle of assembly of the multiple fast axle equivalence of multiple substrate) of this substrate, the polarization direction of show image can be made to transfer circular polarization state to by linear polarization, when wearing polarization type sunglasses to watch touch control display apparatus to avoid user, there is the problem of brightness disproportionation in different angles.Because the present invention is the substrate replaced by the substrate with fast axle originally just in contact panel, not additional one laminar substrate, therefore, touch control display apparatus of the present invention has thinner thickness.
For above-mentioned feature and advantage of the present invention can be become apparent, special embodiment below, and coordinate accompanying drawing to be described in detail below.
Accompanying drawing explanation
Figure 1A is depicted as polarization type sunglasses and known touch control display apparatus and arranges in pairs or groups the schematic diagram used;
Figure 1B is depicted as the luminous intensity distribution result that known touch control display apparatus and the angle folded by polarization type sunglasses change;
Fig. 2 A to Fig. 2 B is depicted as the diagrammatic cross-section of existing different touch control display apparatus;
Fig. 3 A, Fig. 4 A, Fig. 5 A and Fig. 6 A are depicted as the diagrammatic cross-section of the multiple touch control display apparatus of different embodiments of the invention;
Fig. 3 B, Fig. 4 B, Fig. 5 B and Fig. 6 B are respectively the explosive view of touch control display apparatus of Fig. 3 A, Fig. 4 A, Fig. 5 A and Fig. 6 A;
Fig. 3 C and Fig. 4 C is respectively the upper schematic diagram of the fast axle of the touch control display apparatus of Fig. 3 A and Fig. 4 A and the angle of penetrating shaft;
Fig. 5 C and Fig. 6 C is respectively the upper schematic diagram of the fast axle of assembly of the touch control display apparatus of Fig. 5 A and Fig. 6 A and the angle of penetrating shaft;
Fig. 3 D is depicted as the luminous intensity distribution result that the touch control display apparatus of Fig. 3 A and the angle folded by polarization type sunglasses change.
Embodiment
Fig. 3 A is depicted as the sectional view of a kind of touch control display apparatus of one embodiment of the invention.Fig. 3 B is depicted as the explosive view of the touch control display apparatus of Fig. 3 A.Fig. 3 C is depicted as the upper schematic diagram of the fast axle of the touch control display apparatus of Fig. 3 A and the angle of penetrating shaft.
Please also refer to Fig. 3 A to Fig. 3 C, the touch control display apparatus 300 of the present embodiment is suitable for allowing user across the viewing of polarization element (not shown), and wherein polarization element can be polarization type sunglasses.The touch control display apparatus 300 of the present embodiment comprises backlight module 340, display panel 310 and contact panel 330.
In the present embodiment, display panel 310 is display panels.Display panel 310 comprises upper polarizer 312, liquid crystal layer 314 and lower polaroid 316.Liquid crystal layer 314 is configured between upper polarizer 312 and lower polaroid 316.Upper polarizer 312 has penetrating shaft 312TA.Backlight module 340 is configured at below the lower polaroid 316 of display panel 310, makes display panel 310 show image to provide light R.
In the present embodiment, contact panel 330 is configured on display panel 310, and contact panel 330 comprises substrate 332, cover plate 334 and multiple sensing electrode (not shown).Cover plate 334 has the surperficial S towards display panel 310.Substrate 332 is configured on surperficial S.Sensing electrode is configured between substrate 332 and cover plate 334.
Generally speaking, the show image of display panel 310 can spread out of with the form of the linear polarization with particular polarization after by upper polarizer 312, in order to avoid there is the problem of brightness disproportionation when user wears polarization type sunglasses to watch touch control display apparatus in different angles.In the present embodiment, contact panel 330 selects the substrate 332 with fast axle 332FA especially, and it is non-parallel and non-perpendicular to there is angle between the fast axle 332FA of the substrate 332 and penetrating shaft 312TA of upper polarizer 312, for example, the angle α of angle between 5 degree to 85 degree (in a preferred embodiment, the angle of angle α is 45 degree) is there is between the fast axle 332FA of the substrate 332 and penetrating shaft 312TA of upper polarizer 312.Thus, this show image with linear polarization is after the fast axle 332FA through substrate 332, and show image just can be converted to circular polarization state by linear polarization, and avoids generation user to present entirely black situation at the picture that special angle is seen.
Fig. 3 D is depicted as the luminous intensity distribution result that the touch control display apparatus of Fig. 3 A and the angle folded by polarization type sunglasses change.As shown in Figure 3 D, from measurement, even if user wears polarization type sunglasses to watch the touch control display apparatus 300 of the present embodiment, no matter be which kind of angle all can see close brightness with, and the viewing quality providing user good.
Between display panel and contact panel, additional configuration quarter-wave plate is also wanted compared to existing touch control display apparatus, the touch control display apparatus 300 of the present embodiment directly utilizes original substrate in contact panel 330 to reach function linear polarization being converted to circular polarization state, and effectively can reduce the thickness of touch control display apparatus.
In the present embodiment, the kind of contact panel 330 can comprise monolithic glass structure (OneGlassSolution, OGS), glass-film layer structure (Glass-film, GF) or glass-rete 2 structure (glass-film2, GF2).It should be noted that, though the contact panel 330 of the present embodiment is only to have the contact panel of a substrate 332, in other embodiments, contact panel 330 also can have multiple substrate, it is such as glass-rete-film layer structure (Glass-film-film, GFF) etc.As long as one of them substrate 332 of this type of contact panel 330 has fast axle 332FA, and there is the angle of angle between 5 degree to 85 degree between this fast axle 332FA and the penetrating shaft 312TA of upper polarizer 312 and can reach above-mentioned effect linear polarization being converted to circular polarization state, and effectively avoid that user occurs and present entirely black situation at the picture that special angle is seen.Certainly, only list the kind of wherein several contact panel 330 above, the kind of contact panel 330 is not as limit.
In addition, in the present embodiment, the material of substrate 332 is such as polyethylene terephthalate (polyethyleneterephthalate, PET), cyclic olefine copolymer (cyclo-olefinpolymer, COP) resin or Triafol T (Tri-AcetylCellulose, TAC), but the material of substrate 332 is not as limit, as long as transparent and have fast axle 332FA.The material of cover plate 334 is such as the transparent material such as glass or plastic cement.In addition, in other embodiments, contact panel 330 also can eliminate the design of cover plate 334, and multiple sensing electrode (not shown) are configured at the lower surface of substrate 332, and namely substrate 332 is in the face of the surface of display panel 310.
Only enumerate the example of wherein one or more touch control display apparatus above, but the kind of touch control display apparatus is not as restriction, will other touch control display apparatus be introduced below.Should be noted that at this, following embodiment continues to use the explanation of the constructed content of previous embodiment.Explanation about clipped can with reference to previous embodiment, and following embodiment repeats no more.
Fig. 4 A is depicted as the diagrammatic cross-section of a kind of touch control display apparatus of another embodiment of the present invention.Fig. 4 B is depicted as the explosive view of the touch control display apparatus of Fig. 4 A.Fig. 4 C is depicted as the upper schematic diagram of the fast axle of the touch control display apparatus of Fig. 4 A and the angle of penetrating shaft.
Please also refer to Fig. 4 A to Fig. 4 C, the touch control display apparatus 400 of the present embodiment is similar to touch control display apparatus 300 structure of Fig. 3 A to Fig. 3 B, and both Main Differences parts are that the display panel 410 of the touch control display apparatus 400 of the present embodiment is organic electroluminescence display panel.Specifically, the touch control display apparatus 400 of the present embodiment comprises display panel 410 and contact panel 430.Display panel 410 comprises upper polarizer 412, quarter-wave plate 416 and organic light emitting display layer 414.Upper polarizer 412 has penetrating shaft 412TA.Quarter-wave plate 416 is configured between upper polarizer 412 and organic light emitting display layer 414.Organic light emitting display layer 414 makes display panel 410 show image.
In the present embodiment, contact panel 430 is configured on display panel 410.Similarly, contact panel 430 comprises substrate 432, cover plate 434 and multiple sensing electrode (not shown).Substrate 432 has fast axle 432FA.Cover plate 434 has the surperficial S towards display panel 410.Sensing electrode is configured between substrate 432 and cover plate 434.In the present embodiment, there is the angle α of angle between 5 degree to 85 degree (angle of such as angle α is 45 degree) between the fast axle 432FA of the substrate 432 of the contact panel 430 and penetrating shaft 412TA of upper polarizer 412.Therefore, have the show image of linear polarization after the fast axle 432FA through substrate 432, show image just can be converted to circular polarization state by linear polarization, and avoids generation user to present entirely black situation at the picture that special angle is seen.
Relative to aforesaid embodiment, in the present embodiment, except have can user wear polarization type sunglasses to watch touch control display apparatus time maintain certain display quality and also will not need configure except quarter-wave plate between display panel and contact panel, the organic electroluminescence display panel that the present embodiment uses does not need to adopt backlight module, therefore there is thinner lighter feature, and visible angle is larger, also more saves electric energy.
Fig. 5 A is depicted as the diagrammatic cross-section of a kind of touch control display apparatus of one embodiment of the invention.Fig. 5 B is depicted as the explosive view of the touch control display apparatus of Fig. 5 A.Fig. 5 C is depicted as the upper schematic diagram of the fast axle of assembly of the touch control display apparatus of Fig. 5 A and the angle of penetrating shaft.
Please also refer to Fig. 5 A to Fig. 5 C, the touch control display apparatus 500 of the present embodiment is similar to the structure of the touch control display apparatus 300 of Fig. 3 A to Fig. 3 B, both are that the contact panel 530 of the present embodiment comprises multiple substrate 532 at Main Differences part, and each substrate 532 of contact panel 530 has fast axle 532FA.Or rather, aforesaid touch control display apparatus 300 only has a substrate 332 with fast axle 332FA.In the present embodiment, contact panel 530 has two substrates 532, and these two substrates 532 have respective fast axle 532FA respectively.As shown in Figure 5 C, these two fast axle 532FA of two substrates 532 can the fast axle 532TFA of assembly of equivalence, there is the angle α of angle between 5 degree to 85 degree (angle of such as angle α is 45 degree) between assembly fast axle 532TFA and the penetrating shaft 512TA of upper polarizer 512.
In the present embodiment, contact panel 530 selects multiple substrates with fast axle, by there is the design of the angle α of angle between 5 degree to 85 degree between assembly fast axle 532TFA and the penetrating shaft 512TA of upper polarizer 512.Have the show image of linear polarization after these substrates 532, show image just can be converted to circular polarization state by linear polarization, and avoids generation user to present entirely black situation at the picture that special angle is seen.
In the present embodiment, the kind of contact panel 530 is such as glass-rete-film layer structure
(Glass-film-film, GFF), multiple first sensing electrode (not shown) and multiple second sensing electrode (not shown) of contact panel 530 are configured on these two substrates 532 respectively, but the kind of contact panel 530 is not as limit.
Fig. 6 A is depicted as the diagrammatic cross-section of a kind of touch control display apparatus of one embodiment of the invention.Fig. 6 B is depicted as the explosive view of the touch control display apparatus of Fig. 6 A.Fig. 6 C is depicted as the upper schematic diagram of the fast axle of assembly of the touch control display apparatus of Fig. 6 A and the angle of penetrating shaft.
Please also refer to Fig. 6 A to Fig. 6 C, the touch control display apparatus 600 of the present embodiment is similar to touch control display apparatus 400 structure of Fig. 4 A to Fig. 4 B, both are that the contact panel 630 of the present embodiment comprises multiple substrate 632 at Main Differences part, and each substrate 632 of contact panel 630 has a fast axle 632FA.In the present embodiment, contact panel 630 selects the two substrates 632 respectively with fast axle 632FA especially.For the show image of display panel 610, the fast axle 632TFA of assembly of these fast axle 632FA equivalences of these substrates 632, the angle α of angle between 5 degree to 85 degree (angle of such as angle α is 45 degree) is there is between assembly fast axle 632TFA and the penetrating shaft 612TA of upper polarizer 612, there is the show image of linear polarization after these substrates 632, show image just can be converted to circular polarization state by linear polarization, and avoids generation user to present entirely black situation at the picture that special angle is seen.
In sum, the fast axles of assembly of the multiple fast axle equivalence utilizing the fast axle of in contact panel substrate or multiple substrate at the touch control display apparatus of embodiments of the invention, the polarization direction of show image can be made to transfer circular polarization state to by linear polarization after show image is by fast axle or the fast axle of assembly, when wearing polarization type sunglasses to watch touch control display apparatus to avoid user, there is the problem of brightness disproportionation in different angles.Because the present invention is the substrate replaced by the substrate with fast axle originally just in contact panel, not additional one laminar substrate, therefore, touch control display apparatus of the present invention has thinner thickness.
Although the present invention discloses as above with embodiment; so itself and be not used to limit the present invention, any those skilled in the art, without departing from the spirit and scope of the present invention; when doing a little change and retouching, therefore protection scope of the present invention is when being as the criterion depending on those as defined in claim.
Claims (10)
1. a touch control display apparatus, is characterized in that, comprising:
Display panel, in order to show show image, described show image has linear polarization, and described display panel comprises upper polarizer, and wherein said upper polarizer has penetrating shaft; And
Contact panel, being configured on described display panel and comprising substrate, wherein said substrate has fast axle, and described show image is converted to circular polarization state by described linear polarization after described fast axle.
2. touch control display apparatus according to claim 1, is characterized in that, the angle between wherein said fast axle and described penetrating shaft is between 5 degree to 85 degree.
3. touch control display apparatus according to claim 1, is characterized in that, wherein said display panel is display panels or organic LED display panel.
4. touch control display apparatus according to claim 1, is characterized in that, the structure of wherein said contact panel comprises monolithic glass structure, glass-film layer structure, glass-rete 2 structure or glass-rete-film layer structure.
5. touch control display apparatus according to claim 1, is characterized in that, the material of wherein said substrate comprises polyethylene terephthalate, cycloolefin copolymer resins or Triafol T.
6. a touch control display apparatus, is characterized in that, comprising:
Display panel, in order to show show image, described show image has linear polarization, and described display panel comprises upper polarizer, and wherein said upper polarizer has penetrating shaft; And
Contact panel, to be configured on described display panel and to comprise multiple substrate, wherein each described substrate has fast axle, and these fast axles described of these substrates described are equivalent to the fast axle of assembly, and described show image is converted to circular polarization state by described linear polarization after the fast axle of described assembly.
7. touch control display apparatus according to claim 6, is characterized in that, the angle between wherein said fast axle and the fast axle of described assembly is between 5 degree to 85 degree.
8. touch control display apparatus according to claim 6, is characterized in that, wherein said display panel is display panels or organic LED display panel.
9. touch control display apparatus according to claim 6, is characterized in that, the structure of described contact panel comprises glass-rete-film layer structure.
10. touch control display apparatus according to claim 6, is characterized in that, the material of wherein said substrate comprises polyethylene terephthalate, cycloolefin copolymer resins or Triafol T.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US14/806,671 US20160034084A1 (en) | 2014-07-31 | 2015-07-23 | Touch display device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US201462031849P | 2014-07-31 | 2014-07-31 | |
| US62/031,849 | 2014-07-31 |
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| Publication Number | Publication Date |
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| CN105320347A true CN105320347A (en) | 2016-02-10 |
| CN105320347B CN105320347B (en) | 2018-06-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510312121.4A Active CN105320347B (en) | 2014-07-31 | 2015-06-09 | Touch control display apparatus |
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| CN108962970A (en) * | 2018-08-31 | 2018-12-07 | 武汉华星光电技术有限公司 | Display module and electronic device |
| US10949010B2 (en) | 2016-05-31 | 2021-03-16 | Samsung Display Co., Ltd. | Display apparatus |
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| CN105320347B (en) | 2018-06-26 |
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