CN101281293A - Flexible liquid lens panel - Google Patents
Flexible liquid lens panel Download PDFInfo
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- CN101281293A CN101281293A CNA2008101007500A CN200810100750A CN101281293A CN 101281293 A CN101281293 A CN 101281293A CN A2008101007500 A CNA2008101007500 A CN A2008101007500A CN 200810100750 A CN200810100750 A CN 200810100750A CN 101281293 A CN101281293 A CN 101281293A
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- liquid
- liquid lens
- reticulated cell
- electrode
- transparency carrier
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Abstract
A flexible liquid lens panel prepares a thin-film transistor array (6) on a first transparent substrate (7), prepares mesh holes (11) on the thin-film transistor array (6), and prepares inner wall electrodes on the inner wall of the mesh holes (11). The leakage electrode of the thin-film transistor array (6) is respectively to the inner wall electrodes of the mesh holes (11), a first hydrophobic layer (5) and a third hydrophobic layer (8) are respectively coated on the inner wall of the mesh holes (11) and the first transparent substrate (7), the top of the mesh holes (11) is covered with a second hydrophobic layer (4), a second liquid (3) is provided in the mesh holes (11), a first liquid (10) covers on the mesh holes (11), a second transparent substrate (1) covering the first liquid (10), a second transparent substrate (1) covers on the first liquid (10), a common electrode (2) is provided in the second transparent substrate (1), the common electrode (2) is communicated with the first liquid (10). When no exterior voltage is loaded, the thickness of the mesh holes (11) is lower than the liquid level height of the second liquid (3) in the mesh holes (11).
Description
Technical field
The present invention relates to a kind of liquid lens panel, especially relate to that can adjust separately, slim, wide visual angle, the flexible liquid lens panel of a kind of each liquid lens unit focal length.
Background technology
But the three-dimensional stereo display technique of bore hole direct-view can be divided into: the stereo display technique of binocular parallax and the stereo display technique of true 3-D view.Wherein, the stereo display technique of true 3-D view comprises that image set becomes stereo display technique and holographic three-dimensional display technique etc., and its principle is to rebuild the propagation of object light in all directions at three dimensions.
The applicant applies for a patent in China and discloses a kind of two and three dimensions image transitions control panel in 200810018937.6, liquid lens array is formed in the liquid lens unit that this panel uses electrowetting technology to form, have simple in structure, real-time implementation two dimension display mode and 3-D display mode are changed, and dynamically adjust focal length to improve the advantages such as sharpness of three-dimensional image according to picture material.Adopt this panel can realize that traditional two-dimensional image display mode, the stereo display mode of binocular parallax, image set become the same screen display mode of three-dimensional display mode and two dimensional image and 3-D view.But this panel has thicker reticulated cell structure, has influenced the angular field of view of display image.The invention provides a kind of liquid lens panel of flexibility, have the angular field of view of broad, can realize flexible flexible 3 D stereo display panel.
Summary of the invention
Technical matters: for the influence of the reticulated cell structure that overcomes liquid lens array to angular field of view, the invention provides a kind of liquid lens panel of flexibility, this panel has the thin structure and the angular field of view of broad, can realize flexible flexible 3 D stereo display panel.
Technical scheme: the technical solution adopted for the present invention to solve the technical problems is: this panel is made up of the liquid lens unit of arranging in length and breadth, consisting of of each liquid lens unit: on first transparency carrier, make thin film transistor (TFT) array, on thin film transistor (TFT) array, make reticulated cell, the reticulated cell inwall is manufactured with the inwall electrode, the drain electrode of thin film transistor (TFT) array is connected to the inwall electrode of reticulated cell respectively, apply first hydrophobic layer and the 3rd hydrophobic layer on the reticulated cell inwall and first transparency carrier respectively, the reticulated cell top covers second hydrophobic layer, second liquid is arranged in the reticulated cell, form the liquid lens unit, first liquid covers on the reticulated cell, second transparency carrier covers on first liquid, in second transparency carrier public electrode is arranged, the public electrode and the first liquid conducting.Each liquid lens unit comprises a thin film transistor (TFT) at least, thin film transistor (TFT) is controlled the current potential of each reticulated cell inwall electrode, by the line scanning electrode and the column data electrode of control TFT array, the voltage difference between each reticulated cell inwall electrode and the public electrode realizes control separately.For realizing liquid level than larger radius of curvature, can make one deck conductive electrode earlier on first transparency carrier in each reticulated cell, conductive electrode links to each other with reticulated cell inwall electrode, or each liquid lens unit thin film transistor (TFT) of increase is controlled conductive electrode separately.
In the optimal technical scheme of the present invention, the thickness of reticulated cell can also be lower than the liquid level of second liquid in the reticulated cell when not loading external voltage, thereby when not loading external voltage, realizes that two dimensional image shows.
In the optimal technical scheme of the present invention, because the reticulated cell structure approaches and does not contact with second transparency carrier, thereby can realize flexible flexible 3 D stereo display panel, promptly first transparency carrier and second transparency carrier adopt flexible base, board, and slim reticulated cell is produced on flexible first transparency carrier.
In the optimal technical scheme of the present invention, under electric wetting action, the interface of first liquid and second liquid can be adjusted separately in each liquid lens unit, the focal length that is the liquid lens unit can be adjusted separately, when being operated in first liquid level, the liquid lens unit is the two dimensional image display mode, when being operated in second liquid level, the liquid lens unit is the 3-D view display mode, the one's own profession those skilled in the art, can adopt the present invention further to be combined into various liquid lens array focal length variations schemes, for example traditional two-dimensional image display mode, the stereo display mode of binocular parallax, image set becomes three-dimensional display mode, and the same screen display mode of two dimensional image and 3-D view.
In the optimal technical scheme of the present invention, the liquid lens unit is a rotational symmetry structure, and for example column type, circle are trapezoidal, the hexagon etc. of bowl type or symmetry, thereby guarantee to obtain rotational symmetric Electric Field Distribution; The arrangement mode of liquid lens unit can be that the ranks matrix form is arranged or product word shape is arranged or honeycomb arrangement.
Beneficial effect: the invention has the beneficial effects as follows, when guaranteeing that each liquid lens unit focal length can be adjusted separately, have thin reticulated cell structure, enlarged the angular field of view of display image, can realize flexible flexible 3 D stereo display panel, simple in structure.
Description of drawings
Fig. 1 is a preferred embodiment of the present invention structural drawing.
Have among the above figure: second transparency carrier 1, public electrode 2, second liquid 3, second hydrophobic layer 4, first hydrophobic layer 5, thin film transistor (TFT) array 6, first transparency carrier 7, the 3rd hydrophobic layer 8, first liquid level 9, first liquid 10, reticulated cell 11, second liquid level 12.
Embodiment
Shown in Figure 1 is preferred embodiment of the present invention structural drawing, mainly comprise: first transparency carrier 7, can adopt glass, materials such as transparent resin, on first transparency carrier 7, make thin film transistor (TFT) array 6, can adopt current flat-panel monitor the thin film transistor (TFT) technology preparation generally adopted, a-Si for example, p-Si, field effect transistor or diode that ZnO etc. make, thin film transistor (TFT) array 6 is by line scanning electrode that is connected to gate electrode and the column data electrode synchro control that is connected to the source electrode, line scanning electrode and column data electrode can be transparency electrodes, tin indium oxide for example, or the transparency electrode of material such as zinc paste, its row, column wiring is preferably under reticulated cell 11, with the light transmission that guarantees the liquid lens unit and avoid the ranks signal wire that the influence of liquid lens unitary space electric field intensity (is simplified among the figure, line scanning electrode and column data electrode do not draw), on thin film transistor (TFT) array 6, make reticulated cell 11, reticulated cell 11 can be the dielectric material that inwall is coated with conductive electrode, for example inwall is coated with conducting polymer PEDOT, or the polyimide of metal conducting layer, or material such as resin, the drain electrode of thin film transistor (TFT) array 6 links to each other with the inwall electrode of reticulated cell 11 respectively, apply first hydrophobic layer 5 and the 3rd hydrophobic layer 8 on reticulated cell 11 inwalls and first transparency carrier 7 respectively, the film made of hydrophobic material such as teflon for example, reticulated cell 11 tops cover second hydrophobic layer 4, the film made of hydrophobic material such as teflon for example, comprise second liquid 3 in reticulated cell 11 apertures, second liquid 3 is nonpolar iknsulating liquids, mineral wet goods for example, cover first liquid 10 on the reticulated cell 11, first liquid 10 is conduction or polarity transparency liquid, for example brine solution or deionized water, it on first liquid 10 second transparency carrier 1, can adopt glass, materials such as transparent resin, second transparency carrier is manufactured with public electrode 21 time, can be tin indium oxide, or the transparency electrode of material such as zinc paste.Can also increase the conductive electrode of layer of transparent at the 3rd hydrophobic layer for 8 times, material such as tin indium oxide or zinc paste for example, coaxial with the liquid lens unit, the conductive electrode of toroidal, conductive electrode can be respectively and the inwall electrode conduction of reticulated cell 11, or each liquid lens unit increases a thin film transistor (TFT) and controls conductive electrode separately, to realize the liquid level (simplify among the figure, conductive electrode does not draw) than larger radius of curvature.On-load voltage can be adjusted the interface radius-of-curvature of first liquid 10 and second liquid 3 between reticulated cell 11 inwalls and public electrode 2, when being operated in first liquid level 9, the liquid lens unit is the two dimensional image display mode, when being operated in second liquid level 12, the liquid lens unit is the 3-D view display mode, it when for example all liq lens unit is first liquid level 9 traditional two-dimensional image display mode, stereo display mode or the image set that can realize binocular parallax when all liq lens unit is second liquid level 12 become three-dimensional display mode, the liquid lens unit is the same screen display mode of two dimensional image and 3-D view when realizing first liquid level 9 and second liquid level 12 respectively according to displaying contents, and real time altering can be realized by the inwall electrode of control reticulated cell 11 and the voltage difference of public electrode 2 in the viewing area of two dimensional image and 3-D view.
In Fig. 1 embodiment, for realizing flexible flexible 3 D stereo display panel, first transparency carrier 7 and second transparency carrier 1 can adopt ultra-thin glass material or transparent polymer material, for example tygon etc.
Claims (6)
1. the liquid lens panel of a flexibility, it is characterized in that: this panel is made up of the liquid lens unit of arranging in length and breadth, consisting of of each liquid lens unit: go up making thin film transistor (TFT) array (6) at first transparency carrier (7), go up making reticulated cell (11) at thin film transistor (TFT) array (6), reticulated cell (11) inwall is manufactured with the inwall electrode, the drain electrode of thin film transistor (TFT) array (6) is connected to the inwall electrode of reticulated cell (11) respectively, on reticulated cell (11) inwall and first transparency carrier (7), apply first hydrophobic layer (5) and the 3rd hydrophobic layer (8) respectively, reticulated cell (11) top covers second hydrophobic layer (4), second liquid (3) is arranged in the reticulated cell (11), first liquid (10) covers on the reticulated cell (11), second transparency carrier (1) covers on first liquid (10), there is public electrode (2) second transparency carrier (1) inboard, public electrode (2) and first liquid (10) conducting.
2. the liquid lens panel of flexibility according to claim 1 is characterized in that: the thickness of reticulated cell (11) is lower than the liquid level of second liquid (3) in the reticulated cell (11) when not loading external voltage.
3. the liquid lens panel of flexibility according to claim 1, it is characterized in that: on first transparency carrier (7), increase one deck conductive electrode again, conductive electrode links to each other with reticulated cell (11) inwall electrode, or each liquid lens unit thin film transistor (TFT) of increase is controlled conductive electrode separately.
4. the liquid lens panel of flexibility according to claim 1 is characterized in that: first transparency carrier (7) and second transparency carrier (1) employing flexible base, board.
5. the liquid lens panel of flexibility according to claim 1, it is characterized in that: each liquid lens unit comprises a thin film transistor (TFT) at least and controls voltage difference between reticulated cell inwall electrode and the public electrode (2) separately, realizes two-dimensional image display mode or the stereo display mode of binocular parallax or the same screen display mode that image set becomes three-dimensional display mode or two dimensional image and 3-D view.
6. the liquid lens panel of flexibility according to claim 1, it is characterized in that: the liquid lens unit is a rotational symmetry structure, can be the hexagon etc. of column type or circle trapezoidal or bowl type or symmetry, the arrangement mode of liquid lens unit can be that the ranks matrix form is arranged or arrangement of product word shape or honeycomb arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810100750A CN100590475C (en) | 2008-05-16 | 2008-05-16 | Flexible liquid lens panel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810100750A CN100590475C (en) | 2008-05-16 | 2008-05-16 | Flexible liquid lens panel |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101281293A true CN101281293A (en) | 2008-10-08 |
| CN100590475C CN100590475C (en) | 2010-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810100750A Expired - Fee Related CN100590475C (en) | 2008-05-16 | 2008-05-16 | Flexible liquid lens panel |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102955247A (en) * | 2011-08-09 | 2013-03-06 | 索尼公司 | Optical element, optical element array, display device, and electronic apparatus |
| CN103270446A (en) * | 2010-10-29 | 2013-08-28 | 米路塔克控股公司 | Electrowetting optical element |
| CN112099115A (en) * | 2020-09-23 | 2020-12-18 | Oppo广东移动通信有限公司 | Liquid lens and camera module |
| US11021559B2 (en) | 2011-10-31 | 2021-06-01 | Kraton Polymers Llc | Sulfonated block copolymer laminates with polar or active metal substrates |
| CN113691714A (en) * | 2021-08-24 | 2021-11-23 | 维沃移动通信（杭州）有限公司 | Electronic device |
-
2008
- 2008-05-16 CN CN200810100750A patent/CN100590475C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103270446A (en) * | 2010-10-29 | 2013-08-28 | 米路塔克控股公司 | Electrowetting optical element |
| CN102955247A (en) * | 2011-08-09 | 2013-03-06 | 索尼公司 | Optical element, optical element array, display device, and electronic apparatus |
| US11021559B2 (en) | 2011-10-31 | 2021-06-01 | Kraton Polymers Llc | Sulfonated block copolymer laminates with polar or active metal substrates |
| CN112099115A (en) * | 2020-09-23 | 2020-12-18 | Oppo广东移动通信有限公司 | Liquid lens and camera module |
| CN112099115B (en) * | 2020-09-23 | 2022-05-31 | Oppo广东移动通信有限公司 | Liquid lens and camera module |
| CN113691714A (en) * | 2021-08-24 | 2021-11-23 | 维沃移动通信（杭州）有限公司 | Electronic device |
| CN113691714B (en) * | 2021-08-24 | 2023-07-25 | 维沃移动通信（杭州）有限公司 | Electronic equipment |
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| Publication number | Publication date |
|---|---|
| CN100590475C (en) | 2010-02-17 |
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Granted publication date: 20100217 Termination date: 20200516 |