JPH10133819A - Touch panel and its production - Google Patents
Touch panel and its productionInfo
- Publication number
- JPH10133819A JPH10133819A JP29142996A JP29142996A JPH10133819A JP H10133819 A JPH10133819 A JP H10133819A JP 29142996 A JP29142996 A JP 29142996A JP 29142996 A JP29142996 A JP 29142996A JP H10133819 A JPH10133819 A JP H10133819A
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- JP
- Japan
- Prior art keywords
- transparent
- substrates
- touch panel
- transparent conductive
- filled
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は光透過性が高く、色
調を任意に選択できるタッチパネルおよびその製造方法
に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a touch panel having high light transmittance and capable of arbitrarily selecting a color tone, and a method for manufacturing the same.
【０００２】[0002]
【従来の技術】液晶スクリーンやＣＲＴディスプレイな
どの上に配置して、入力装置として使用するタッチパネ
ルは従来より広く用いられている。このようなタッチパ
ネルは図３に示すように、ＩＴＯ等の透明導電膜１が形
成された２枚の透明基板２，３が、スペーサー４を介し
てわずかな間隔で隔てられ、透明導電膜１同士が対向す
るような構成になっている。2. Description of the Related Art Touch panels which are arranged on a liquid crystal screen or a CRT display and used as an input device have been widely used. In such a touch panel, as shown in FIG. 3, two transparent substrates 2 and 3 on which a transparent conductive film 1 such as ITO is formed are separated at a slight interval via a spacer 4, and the transparent conductive films 1 are separated from each other. Are opposed to each other.
【０００３】[0003]
【発明が解決しようとする課題】このような構成のタッ
チパネルにおいては２枚の対向基板間に空気層が存在す
るため、透明導電膜と空気層との界面における反射によ
り、透過する光量が大きく減衰するという課題があっ
た。In a touch panel having such a structure, since an air layer exists between two opposing substrates, the amount of transmitted light is greatly attenuated by reflection at the interface between the transparent conductive film and the air layer. There was a problem to do.
【０００４】本発明は上記課題を解決するために、光透
過性が高く、色調を任意に選択できるタッチパネルおよ
びその製造方法を提供することを目的とする。SUMMARY OF THE INVENTION An object of the present invention is to provide a touch panel having high light transmittance and capable of arbitrarily selecting a color tone, and a method of manufacturing the touch panel.
【０００５】[0005]
【課題を解決するための手段】上記目的を達成するため
に本発明のタッチパネルは、透明導電膜を片面に有する
２枚の透明基板が、前記透明導電膜が対向するようにス
ペーサーを介して一定間隔に保持され、これらの対向面
間周囲が封止されるとともに、前記対向面間に含フッ化
炭素化合物からなる透明液体を充填したことを特徴とす
る。この構成により、光透過性が高く、色調を任意に選
択できるタッチパネルを実現する。In order to achieve the above object, a touch panel according to the present invention comprises two transparent substrates each having a transparent conductive film on one side thereof, which are fixed via a spacer so that the transparent conductive films face each other. The space between these opposing surfaces is sealed, and the space between the opposing surfaces is filled with a transparent liquid made of a fluorocarbon compound. With this configuration, it is possible to realize a touch panel that has high light transmittance and can freely select a color tone.
【０００６】[0006]
【発明の実施の形態】本請求項１に記載のタッチパネル
は、透明導電膜を片面に有する２枚の透明基板が、前記
透明導電膜が対向するようにスペーサーを介して一定間
隔に保持され、これらの対向面間周囲が封止されるとと
もに、前記対向面間に含フッ化炭素化合物からなる透明
液体を充填したことを特徴とする。DESCRIPTION OF THE PREFERRED EMBODIMENTS In the touch panel according to the present invention, two transparent substrates each having a transparent conductive film on one surface are held at regular intervals via a spacer so that the transparent conductive films face each other. The periphery between these opposing surfaces is sealed, and a transparent liquid made of a fluorocarbon compound is filled between the opposing surfaces.
【０００７】一般に、屈折率Ｎの媒質から屈折率Ｎ′の
媒質に光が垂直に入射するとき、その反射率Ｒはフレネ
ーの式Ｒ＝［（Ｎ−Ｎ′）／（Ｎ＋Ｎ′）］2で示され
るから、両媒質間の屈折率の差が小さくなれば反射率は
小さくなる。含フッ化炭素化合物からなる透明液体は空
気より大きく、かつ透明導電膜より小さい屈折率を有す
るので、前記対向面間に含フッ化炭素化合物からなる透
明液体を充填すると反射率が小さくなり、格段に光透過
性が高くなる。また、含フッ化炭素化合物は化学的安定
性に優れるため、透明導電膜や透明基板、スペーサー等
に何ら悪影響を与えない。In general, when light is vertically incident on a medium having a refractive index N 'from a medium having a refractive index N, its reflectance R is calculated by the Fresnel's formula R = [(N-N') / (N + N ')] 2 , The reflectance decreases as the difference in refractive index between the two media decreases. Since the transparent liquid composed of the fluorocarbon compound has a refractive index larger than that of air and smaller than that of the transparent conductive film, the reflectance becomes smaller when the transparent liquid composed of the fluorocarbon compound is filled between the facing surfaces. In addition, the light transmittance increases. Further, since the fluorinated carbon compound has excellent chemical stability, it does not adversely affect the transparent conductive film, the transparent substrate, the spacer, and the like.
【０００８】本請求項２に記載のタッチパネルは、含フ
ッ化炭素化合物として下の一般式（化３）、（化４）で
示される物質のいずれか、もしくは両方を含んだもので
ある。このとき（化３）、（化４）で示される物質は特
に化学的安定性に優れるため好ましい。The touch panel according to a second aspect of the present invention includes one or both of the following general formulas (Chem. 3) and (Chem. 4) as the fluorocarbon compound. At this time, the substances represented by (Chemical Formula 3) and (Chemical Formula 4) are particularly preferable because of their excellent chemical stability.
【０００９】[0009]
【化３】 Embedded image
【００１０】[0010]
【化４】 Embedded image
【００１１】本請求項３のタッチパネルは、透明導電膜
を片面に有する２枚の透明基板が、前記透明導電膜が対
向するようにスペーサーを介して一定間隔に保持され、
これらの対向面間周囲が封止されるとともに、前記対向
面間に有色かつ透明の液体を充填して構成される。さら
に、本請求項４は前記構成において、充填する液体の色
を選んで透過光の色調を制御することを特徴とするもの
である。これらにより、任意の色調を容易に得ることが
できるので、光透過性が高く、見栄えの良いタッチパネ
ルを実現できる。According to a third aspect of the present invention, there is provided the touch panel, wherein two transparent substrates having a transparent conductive film on one side are held at regular intervals via a spacer so that the transparent conductive films face each other.
The periphery between these opposing surfaces is sealed, and the space between the opposing surfaces is filled with a colored and transparent liquid. Furthermore, the present invention is characterized in that, in the above configuration, the color of the liquid to be filled is selected to control the color tone of the transmitted light. As a result, an arbitrary color tone can be easily obtained, and a touch panel with high light transmittance and good appearance can be realized.
【００１２】以下、本発明の実施の形態について、図１
を用いて説明する。 （実施の形態１）図１は本発明のタッチパネルの一実施
の形態において、一部分を模式的に表した断面図であ
る。基板１１と基板１２とがスペーサー１３を介してわ
ずかな間隔で対向し、それぞれ対向する内側の面には透
明導電膜１４，１５が設けられている。そして、対向面
側には含フッ化炭素化合物からなる透明液体１７が充填
され、対向面の周縁は接着層１６でシールされている。Hereinafter, an embodiment of the present invention will be described with reference to FIG.
This will be described with reference to FIG. (Embodiment 1) FIG. 1 is a sectional view schematically showing a part of an embodiment of a touch panel of the present invention. The substrate 11 and the substrate 12 face each other at a small interval via a spacer 13, and transparent conductive films 14 and 15 are provided on inner surfaces facing each other. The opposite surface is filled with a transparent liquid 17 made of a fluorocarbon compound, and the periphery of the opposite surface is sealed with an adhesive layer 16.
【００１３】基板１１，１２としては、ガラス板や、ポ
リカーボネート、アクリル等のプラスチック板、あるい
はＰＥＴ等の樹脂フィルムを用いることができる。As the substrates 11 and 12, a glass plate, a plastic plate such as polycarbonate or acrylic, or a resin film such as PET can be used.
【００１４】基板１１，１２上に設けられる透明導電膜
１４，１５はＩＴＯ（インジウム錫酸化物）、酸化錫等
の金属酸化物薄膜、または金等の金属薄膜で構成され、
例えばスパッタ法、蒸着法、ＣＶＤ法等のいわゆる薄膜
プロセス、もしくは金属化合物溶液を塗布・焼成して熱
分解する方法により形成される。The transparent conductive films 14 and 15 provided on the substrates 11 and 12 are made of a metal oxide thin film such as ITO (indium tin oxide) or tin oxide, or a metal thin film such as gold.
For example, it is formed by a so-called thin film process such as a sputtering method, a vapor deposition method, or a CVD method, or a method of applying and baking a metal compound solution and thermally decomposing it.
【００１５】なお、タッチパネルの設計により、透明導
電膜１４，１５は基板上に一面に形成されたり、あるい
は短冊状のようなパターンに形成されることもあり得
る。Depending on the design of the touch panel, the transparent conductive films 14 and 15 may be formed on the entire surface of the substrate, or may be formed in a strip-like pattern.
【００１６】対向面間に充填される透明液体１７を構成
する含フッ化炭素化合物としては、透明導電膜と基板、
接着層、スペーサーを侵さないで、かつ絶縁性の物質で
あればよい。特に一般式（化３）、（化４）で示される
化合物は化学的安定性に優れるので、タッチパネルを構
成する部材に悪影響を与えることなく、高い透過率を実
現できるので好ましい。The fluorocarbon compound constituting the transparent liquid 17 filled between the opposing surfaces includes a transparent conductive film, a substrate,
Any material may be used as long as it does not attack the adhesive layer and the spacer and is an insulating material. In particular, the compounds represented by the general formulas (Chem. 3) and (Chem. 4) are preferable because they have excellent chemical stability and can realize high transmittance without adversely affecting members constituting the touch panel.
【００１７】上記の形態のタッチパネルにおいては、基
板の対向面間に空気に代わって含フッ化炭素化合物から
なる透明液体が充填されている。含フッ化炭素化合物は
空気よりも大きい屈折率を持つので、すなわち透明導電
膜や透明基板の屈折率との差が小さいので、界面での反
射が大きく低減され、格段に光透過性が高くなる。In the above-mentioned touch panel, a transparent liquid made of a fluorocarbon compound is filled between the opposing surfaces of the substrates instead of air. Since the fluorinated carbon compound has a higher refractive index than air, that is, the difference between the refractive index of the transparent conductive film and the transparent substrate is small, the reflection at the interface is greatly reduced, and the light transmittance is significantly increased. .
【００１８】また、上記の形態においては含フッ化炭素
化合物からなる透明液体で透明導電膜を覆う構造になる
ので、外界の影響をほとんど受けず、環境変化に対する
信頼性に優れているという効果もある。Further, in the above embodiment, since the transparent conductive film is covered with the transparent liquid made of the fluorinated carbon compound, the transparent conductive film is hardly affected by the external environment and has an effect of excellent reliability against environmental changes. is there.
【００１９】（実施の形態２）図２は本発明のタッチパ
ネルの一実施の形態において、一部分を模式的に表した
断面図である。基板２１と基板２２とがスペーサー２３
を介してわずかな間隔で対向し、それぞれ対向する内側
の面には透明導電膜２４，２５が設けられている。そし
て、対向面間には有色かつ透明の液体２７が充填され、
対向面の周縁は接着層２６でシールされている。(Embodiment 2) FIG. 2 is a sectional view schematically showing a part of an embodiment of a touch panel of the present invention. The substrate 21 and the substrate 22 are
The transparent conductive films 24 and 25 are provided on the inner surfaces opposed to each other at a small interval with the interposition therebetween. Then, between the opposing surfaces, a colored and transparent liquid 27 is filled,
The periphery of the facing surface is sealed with an adhesive layer 26.
【００２０】上記の形態においては、対向面間に充填す
る液体の色を選択することにより、好みに応じた色調を
有するタッチパネルを容易に得ることができる。例えば
４５０ｎｍ付近に吸収のある黄色の液体を用いると、黄
色の色調を有するタッチパネルとなり、例えば６５０ｎ
ｍ付近に吸収のある青色の液体を用いると、青色の色調
を有するタッチパネルとすることができる。さらに、対
向面間に液体が充填されることにより、前述のごとく界
面反射が低減されるので光透過性が高くなる。In the above embodiment, a touch panel having a desired color tone can be easily obtained by selecting the color of the liquid to be filled between the opposing surfaces. For example, when a yellow liquid having an absorption near 450 nm is used, a touch panel having a yellow color tone is obtained.
When a blue liquid having absorption near m is used, a touch panel having a blue color tone can be obtained. Further, by filling the liquid between the opposing surfaces, the interface reflection is reduced as described above, so that the light transmittance is increased.
【００２１】有色かつ透明の液体としては、透明導電
膜、透明基板、接着層、スペーサーを侵さないものであ
れば、有機物、無機物あるいは溶液、コロイド溶液、も
しくはそれらの混合物等いずれも用いることができる。
特に屈折率が１．８以下であれば反射低減の効果が大き
いので好ましい。As the colored and transparent liquid, any of an organic substance, an inorganic substance, a solution, a colloid solution, or a mixture thereof can be used as long as it does not affect the transparent conductive film, the transparent substrate, the adhesive layer, and the spacer. .
In particular, a refractive index of 1.8 or less is preferable because the effect of reducing reflection is large.
【００２２】以上により、光透過性が高く、見栄えの良
いタッチパネルを実現できる。As described above, it is possible to realize a touch panel having high light transmittance and good appearance.
【００２３】[0023]
【実施例】次に、本発明の具体的実施例を用いて説明す
る。Next, the present invention will be described with reference to specific examples.
【００２４】実施の形態１において、基板１１に厚さ１
７０μｍのＰＥＴフィルムを、基板１２に厚さ１．１mm
のソーダガラス板を用いた。それぞれの基板の対向面に
はスパッタリング法でＩＴＯ膜１４，１５（厚さ２０ｎ
ｍ）が形成されている。これらの基板１１と１２は複数
のスペーサー１３を介して隔てられ、その対向面の周縁
は接着層１６で封止されている。さらに、対向面間には
下記実施例１〜３に述べる含フッ化炭素化合物からなる
透明液体１７が充填されている。In the first embodiment, the thickness of the substrate 11 is
A 70 μm PET film is applied to the substrate 12 with a thickness of 1.1 mm.
Was used. The ITO films 14, 15 (thickness: 20 n) are formed on the facing surfaces of the respective substrates by sputtering.
m) is formed. These substrates 11 and 12 are separated by a plurality of spacers 13, and the periphery of the opposing surface is sealed with an adhesive layer 16. Further, a transparent liquid 17 composed of a fluorocarbon compound described in Examples 1 to 3 below is filled between the facing surfaces.
【００２５】（実施例１）含フッ化炭素化合物からなる
透明液体としてＦＣ−４０（住友スリーエム（株）の商
品名、主成分として（Ｃ4Ｆ9）3Ｎを９５％以上含む溶
剤）を用いた。(Example 1) FC-40 (trade name of Sumitomo 3M Limited, a solvent containing 95% or more of (C 4 F 9 ) 3 N as a main component) was used as a transparent liquid composed of a fluorocarbon compound. Using.
【００２６】（実施例２）含フッ化炭素化合物からなる
透明液体としてＰＦ−５０８０（住友スリーエム（株）
の商品名、主成分としてＣ8Ｆ18を９０％以上含む溶
剤）を用いた。Example 2 PF-5080 (Sumitomo 3M Co., Ltd.) was used as a transparent liquid composed of a fluorocarbon compound.
(A solvent containing 90% or more of C 8 F 18 as a main component).
【００２７】（実施例３）含フッ化炭素化合物からなる
透明液体としてアフルード（旭硝子（株）の商品名）を
用いた。Example 3 Afluid (trade name of Asahi Glass Co., Ltd.) was used as a transparent liquid composed of a fluorocarbon compound.
【００２８】（比較例）さらに比較例として、対向面間
に液体を充填していないもの、すなわち空気が満たされ
ているタッチパネルを用意した。(Comparative Example) As a comparative example, a touch panel not filled with liquid between the opposing surfaces, that is, a touch panel filled with air was prepared.
【００２９】上記の実施例１〜３及び比較例について、
明るさを比較するために波長５５０ｎｍの光線透過率を
測定した。測定には分光光度計（日立製作所（株）製２
８８Ａ型）を用いた。その結果を（表１）にまとめる。With respect to the above Examples 1 to 3 and Comparative Example,
The light transmittance at a wavelength of 550 nm was measured to compare the brightness. For the measurement, use a spectrophotometer (Hitachi Ltd. 2
88A) was used. The results are summarized in (Table 1).
【００３０】[0030]
【表１】 [Table 1]
【００３１】（表１）から、本発明の実施例はいずれも
８４％以上という高い光線透過率を有しており、比較例
に比べ格段に優れていることがわかる。よって明るく見
栄えのよいタッチパネルである。From Table 1, it can be seen that all of the examples of the present invention have a high light transmittance of 84% or more, which is far superior to the comparative examples. Therefore, the touch panel is bright and has a good appearance.
【００３２】次に実施の形態２において、基板２１に厚
さ１７０μｍのＰＥＴフィルムを、基板２２に厚さ１．
１mmのソーダガラス板を用いた。それぞれの基板の対向
面にはスパッタリング法でＩＴＯ膜２４，２５（厚さ２
０ｎｍ）が形成されている。これらの基板２１と２２は
複数のスペーサー２３を介して隔てられ、その対向面の
周縁は接着層２６で封止されている。さらに、対向面間
には下記実施例４〜６に述べる透明かつ有色の液体２７
が充填されている。Next, in the second embodiment, a PET film having a thickness of 170 μm is formed on the substrate 21, and a PET film having a thickness of 1.
A 1 mm soda glass plate was used. The ITO films 24 and 25 (thickness 2) were formed on the facing surfaces of the respective substrates by sputtering.
0 nm). These substrates 21 and 22 are separated by a plurality of spacers 23, and the periphery of the opposing surface is sealed with an adhesive layer 26. Further, a transparent and colored liquid 27 described in Examples 4 to 6 below is provided between the facing surfaces.
Is filled.
【００３３】（実施例４）青色の液体として、シリコー
ンオイルに青色色素シアニンを溶解させた溶液を用い
た。Example 4 As a blue liquid, a solution in which a cyan dye was dissolved in silicone oil was used.
【００３４】（実施例５）緑色の液体として、シリコー
ンオイルに緑色色素マラカイトグリーンを溶解させた溶
液を用いた。Example 5 As a green liquid, a solution obtained by dissolving a green pigment malachite green in silicone oil was used.
【００３５】（実施例６）赤色の液体として、シリコー
ンオイルに赤色色素オイルレッドを溶解させた溶液を用
いた。(Example 6) As a red liquid, a solution in which a red dye oil red was dissolved in silicone oil was used.
【００３６】上記の実施例４〜６について、それらの全
光線透過率をＪＩＳ規格に従い、ヘーズメーター（日本
電色工業（株）製ＮＤＨ−３００Ａ型）を用いて測定し
た。さらに前記比較例についても、同様の測定を行なっ
た。それらの結果を（表２）にまとめる。The total light transmittance of the above Examples 4 to 6 was measured using a haze meter (Model NDH-300A manufactured by Nippon Denshoku Industries Co., Ltd.) in accordance with JIS standards. Further, the same measurement was performed for the comparative example. The results are summarized in (Table 2).
【００３７】[0037]
【表２】 [Table 2]
【００３８】（表２）からわかるように、本実施例は比
較例よりも高い全光線透過率を有していた。このことか
ら、本発明のタッチパネルは青、緑、赤などの色調を有
する見栄えの良いものであり、かつ明るいものとなるこ
とがわかる。As can be seen from Table 2, this example had a higher total light transmittance than the comparative example. From this, it is understood that the touch panel of the present invention has a good appearance having a color tone such as blue, green, and red and is bright.
【００３９】[0039]
【発明の効果】以上のように本発明は、透明導電膜を片
面に有する２枚の透明基板が、前記透明導電膜が対向す
るようにスペーサーを介して一定間隔に保持され、これ
らの対向面間周囲が封止されるとともに、前記対向面間
に含フッ化炭素化合物からなる透明液体、もしくは有色
の液体を充填したことを特徴とする。この構成により、
光透過性が高く、色調を任意に選択できるタッチパネル
を実現する。As described above, according to the present invention, two transparent substrates each having a transparent conductive film on one surface are held at a fixed interval via a spacer so that the transparent conductive films face each other. The space around the space is sealed, and a transparent liquid or a colored liquid made of a fluorocarbon compound is filled between the facing surfaces. With this configuration,
A touch panel that has high light transmittance and can freely select a color tone is realized.
【図１】本発明の一実施の形態を模式的に示す断面図FIG. 1 is a sectional view schematically showing an embodiment of the present invention.
【図２】本発明の一実施の形態を模式的に示す断面図FIG. 2 is a sectional view schematically showing one embodiment of the present invention.
【図３】従来例のタッチパネルを模式的に示す断面図FIG. 3 is a cross-sectional view schematically showing a conventional touch panel.
１１，１２，２１，２２ 基板 １３，２３ スペーサー １４，１５，２４，２５ 透明導電膜 １６，２６ 接着層 １７ 含フッ化炭素化合物からなる透明液体 ２７ 有色かつ透明の液体 11, 12, 21, 22 Substrate 13, 23 Spacer 14, 15, 24, 25 Transparent conductive film 16, 26 Adhesive layer 17 Transparent liquid composed of fluorocarbon compound 27 Colored and transparent liquid
───────────────────────────────────────────────────── フロントページの続き (72)発明者 倉増 敬三郎 大阪府門真市大字門真1006番地 松下電器 産業株式会社内 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor Keisaburo Kuramasa 1006 Kadoma Kadoma, Osaka Prefecture Inside Matsushita Electric Industrial Co., Ltd.
Claims (4)
板が、前記透明導電膜が対向するようにスペーサーを介
して一定間隔に保持され、これらの対向面間周囲が封止
されるとともに、前記対向面間に含フッ化炭素化合物か
らなる透明液体を充填したことを特徴とするタッチパネ
ル。1. Two transparent substrates each having a transparent conductive film on one surface are held at regular intervals via a spacer so that the transparent conductive films face each other, and the periphery between these facing surfaces is sealed. A touch panel, wherein a transparent liquid made of a fluorocarbon compound is filled between the facing surfaces.
項１記載のタッチパネル。2. A fluorinated carbon compound represented by the following general formula: Embedded image The touch panel according to claim 1, comprising one or both of the substances represented by:
板が、前記透明導電膜が対向するようにスペーサーを介
して一定間隔に保持され、これらの対向面間周囲が封止
されるとともに、前記対向面間に有色かつ透明の液体を
充填したことを特徴とするタッチパネル。3. Two transparent substrates each having a transparent conductive film on one side thereof are held at regular intervals via a spacer so that the transparent conductive films face each other, and the periphery between these facing surfaces is sealed. A touch panel, wherein a colored and transparent liquid is filled between the opposing surfaces.
て、充填する液体の色を選択して透過光の色調を制御す
ることを特徴とするタッチパネルの製造方法。4. The touch panel manufacturing method according to claim 3, wherein the color of the liquid to be filled is selected to control the color tone of the transmitted light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29142996A JPH10133819A (en) | 1996-11-01 | 1996-11-01 | Touch panel and its production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29142996A JPH10133819A (en) | 1996-11-01 | 1996-11-01 | Touch panel and its production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH10133819A true JPH10133819A (en) | 1998-05-22 |
Family
ID=17768766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP29142996A Pending JPH10133819A (en) | 1996-11-01 | 1996-11-01 | Touch panel and its production |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH10133819A (en) |
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| US10048775B2 (en) | 2013-03-14 | 2018-08-14 | Apple Inc. | Stylus detection and demodulation |
| US10061450B2 (en) | 2014-12-04 | 2018-08-28 | Apple Inc. | Coarse scan and targeted active mode scan for touch |
| US10474277B2 (en) | 2016-05-31 | 2019-11-12 | Apple Inc. | Position-based stylus communication |
| US11073926B2 (en) | 2002-02-20 | 2021-07-27 | Apple Inc. | Light sensitive display |
-
1996
- 1996-11-01 JP JP29142996A patent/JPH10133819A/en active Pending
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| US9411470B2 (en) | 2002-02-20 | 2016-08-09 | Apple Inc. | Light sensitive display with multiple data set object detection |
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| US9519361B2 (en) | 2011-06-22 | 2016-12-13 | Apple Inc. | Active stylus |
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| US9557845B2 (en) | 2012-07-27 | 2017-01-31 | Apple Inc. | Input device for and method of communication with capacitive devices through frequency variation |
| US9176604B2 (en) | 2012-07-27 | 2015-11-03 | Apple Inc. | Stylus device |
| US10048775B2 (en) | 2013-03-14 | 2018-08-14 | Apple Inc. | Stylus detection and demodulation |
| US10845901B2 (en) | 2013-07-31 | 2020-11-24 | Apple Inc. | Touch controller architecture |
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| US11687192B2 (en) | 2013-07-31 | 2023-06-27 | Apple Inc. | Touch controller architecture |
| US10067580B2 (en) | 2013-07-31 | 2018-09-04 | Apple Inc. | Active stylus for use with touch controller architecture |
| US10061449B2 (en) | 2014-12-04 | 2018-08-28 | Apple Inc. | Coarse scan and targeted active mode scan for touch and stylus |
| US10664113B2 (en) | 2014-12-04 | 2020-05-26 | Apple Inc. | Coarse scan and targeted active mode scan for touch and stylus |
| US10067618B2 (en) | 2014-12-04 | 2018-09-04 | Apple Inc. | Coarse scan and targeted active mode scan for touch |
| US10061450B2 (en) | 2014-12-04 | 2018-08-28 | Apple Inc. | Coarse scan and targeted active mode scan for touch |
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