JP7645193B2 - 複数の電気的に制御可能なプライバシーガラス構造のスタガされた駆動電気制御 - Google Patents
複数の電気的に制御可能なプライバシーガラス構造のスタガされた駆動電気制御 Download PDFInfo
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- G—PHYSICS
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- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
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- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
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- G—PHYSICS
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- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
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- G09G3/36—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters by control of light from an independent source using liquid crystals
- G09G3/3611—Control of matrices with row and column drivers
- G09G3/3696—Generation of voltages supplied to electrode drivers
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F2201/00—Constructional arrangements not provided for in groups G02F1/00 - G02F7/00
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- Y02A30/24—Structural elements or technologies for improving thermal insulation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Description
本出願は、2019年4月29日に出願された米国仮特許出願第62/840,032号の利益を主張し、その全容が参照により本明細書に組み込まれる。
Claims (15)
- 単一の電気ドライバを使用して、複数の電気的に制御可能な光学プライバシーガラス構造を電気的に駆動するための方法であって、
前記複数の電気的に制御可能な光学プライバシーガラス構造の各々について電気駆動信号を確立することであって、各電気駆動信号が、1つ以上の駆動パラメータを含む、確立することと、
前記複数の電気的に制御可能な光学プライバシーガラス構造のうちの第1のプライバシーガラス構造に第1の電気駆動信号を印加することであって、前記第1の電気駆動信号は、前記第1のプライバシーガラス構造を通る電流に周期的なスパイクを発生させる周期的な信号であり、前記第1のプライバシーガラス構造の特定の光学状態を維持するために印加される、印加することと、
前記複数の電気的に制御可能な光学プライバシーガラス構造のうちの第2のプライバシーガラス構造に第2の電気駆動信号を印加することであって、前記第2の電気駆動信号は、前記第2のプライバシーガラス構造を通る電流に周期的なスパイクを発生させる周期的な信号であり、前記第2のプライバシーガラス構造の特定の光学状態を維持するために印加される、印加することと、を含み、
前記第1の電気駆動信号および前記第2の電気駆動信号を印加することが、前記第1の電気駆動信号および前記第2の電気駆動信号の時間的にスタガする送達を含み、その結果、前記第1のプライバシーガラス構造からのピーク電力引き込みおよびピーク電流引き込みのうちの少なくとも1つが、前記第2のプライバシーガラス構造からのピーク電力引き込みおよび/またはピーク電流引き込みから時間的にオフセットされる、方法。 - 前記第1の電気駆動信号が、第1の方形波を含み、前記第2の電気駆動信号が、第2の方形波を含み、
前記第1の電気駆動信号および前記第2の電気駆動信号の時間的にスタガする送達が、前記電気駆動信号と関連する電流スパイクを時間的にオフセットするために、前記第1の方形波および前記第2の方形波の高状態と低状態との間の変化のタイミングを時間的にオフセットすることを含む、請求項1に記載の方法。 - 前記第1の方形波が、第1の実質的にトライステートの方形波を含み、前記第2の方形波が、実質的にトライステートの方形波を含む、請求項2に記載の方法。
- 前記第1の電気駆動信号および前記第2の電気駆動信号を時間的にスタガすることが、前記第1の電気駆動信号を印加した所定の時間量後に、前記第2の電気駆動信号を印加することを含む、請求項1から3のいずれか一項に記載の方法。
- 前記複数の電気的に制御可能な光学プライバシーガラス構造の各々について前記電気駆動信号を確立することが、
前記第1のプライバシーガラス構造の1つ以上の電気的特性を決定することと、
前記第1のプライバシーガラス構造の前記決定された1つ以上の電気的特性に基づいて、前記第1の電気駆動信号を決定することと、
前記第2のプライバシーガラス構造の1つ以上の電気的特性を決定することと、
前記第2のプライバシーガラス構造の前記決定された1つ以上の電気的特性に基づいて、前記第2の電気駆動信号を決定することと、を含み、
前記第1の電気駆動信号および前記第2の電気駆動信号の時間的にスタガする送達が、前記決定された第1の電気駆動信号および前記第2の電気駆動信号に基づいて、前記第1の電気駆動信号と前記第2の電気駆動信号との間の時間的オフセット量を決定することを含む、請求項1から4のいずれか一項に記載の方法。 - 前記決定された第1の電気駆動信号および前記第2の電気駆動信号に基づいて、前記第1の電気駆動信号と前記第2の電気駆動信号との間の前記時間的オフセット量を前記決定することが、前記第1の電気駆動信号の周波数成分を前記第2の電気駆動信号の周波数成分と比較し、前記比較された周波数成分に基づいて、前記第1の電気駆動信号および前記第2の電気駆動信号における1つ以上の特徴の重ね合わせを低減または排除するための時間的オフセットを決定することを含む、請求項5に記載の方法。
- 前記電気的に制御可能な光学プライバシーガラス構造のうちの1つ以上に印加される前記電気駆動信号をスタガすることが、前記複数の電気的に制御可能な光学プライバシーガラス構造の第1のプライバシーガラス構造に印加される第1の電気駆動信号と、前記複数の電気的に制御可能な光学プライバシーガラス構造の前記第2のプライバシーガラス構造に印加される第2の電気駆動信号との間に位相シフトを組み込むことを含む、請求項1~6のいずれか一項に記載の方法。
- 前記第1の電気駆動信号が、前記第1のプライバシーガラス構造に印加され、前記第2の電気駆動信号が、前記第2のプライバシーガラス構造に同時に、しかし位相がずれて印加される、請求項7に記載の方法。
- 前記電気的に制御可能な光学プライバシーガラス構造のうちの1つ以上に印加される前記電気駆動信号をスタガすることが、前記複数の電気駆動信号のいずれも同時に、かつ前記複数の電気駆動信号の別のものと同相で印加されないように、前記電気駆動信号の各々をスタガすることを含む、請求項1から8のいずれか一項に記載の方法。
- 前記複数の電気駆動信号の各々を分析することと、
1つ以上の電気的特性に所定の閾値を超えさせることなく、前記複数の電気駆動信号のうちのどれを互いに同時にかつ同相で印加することができるかを決定することと、をさらに含み、
前記電気駆動信号をスタガすることは、前記1つ以上の電気的特性に互いに対して前記所定の閾値を超えさせることなく、同時と同相の両方で印加することができない少なくとも2つの電気駆動信号をスタガすることを含む、請求項1から9のいずれか一項に記載の方法。 - 前記複数の電気的に制御可能な光学プライバシーガラス構造が、第3のプライバシーガラス構造を含み、
前記複数の電気的に制御可能な光学プライバシーガラス構造の各々について電気駆動信号を確立することが、前記第3のプライバシーガラス構造に印加するための第3の電気駆動信号を確立することを含み、
1つ以上の電気的特性に所定の閾値を超えさせることなく、前記複数の電気駆動信号のうちのどれを同時にかつ同相で印加することができるかを決定することが、前記第1の電気駆動信号および前記第2の電気駆動信号を組み合わせることにより、前記1つ以上の電気的特性が前記所定の閾値を超えることになると決定することと、前記第1の電気駆動信号および前記第3の電気駆動信号を組み合わせることにより、前記1つ以上の電気的特性が前記所定の閾値を超えることにならないと決定することと、を含み、
前記1つ以上の電気的特性に互いに対して前記所定の閾値を超えさせることなく、同時にかつ同相で印加することができない少なくとも2つの電気駆動信号をスタガすることが、前記第1の電気駆動信号および前記第2の電気駆動信号をスタガしながら前記第1の電気駆動信号および前記第3の電気駆動信号をスタガしないことを含む、請求項10に記載の方法。 - 前記複数の電気的に制御可能な光学プライバシーガラス構造が、第3のプライバシーガラス構造を含み、
前記複数の電気的に制御可能な光学プライバシーガラス構造の各々について電気駆動信号を確立することが、前記第3のプライバシーガラス構造に印加するための第3の電気駆動信号を確立することを含み、
前記電気的に制御可能な光学プライバシーガラス構造のうちの前記1つ以上に印加される前記電気駆動信号を時間的にスタガすることが、前記第2の電気駆動信号を前記第1の電気駆動信号から第1の量だけスタガし、前記第3の電気駆動信号を前記第2の電気駆動信号から前記第1の量だけスタガすることを含めて、複数のチャネルの各々にわたって前記電気駆動信号の前記印加を実質的に等しくスタガすることを含む、請求項1から10のいずれか一項に記載の方法。 - 前記複数の電気的に制御可能な光学プライバシーガラス構造のうちのどれが活性であるかを決定することをさらに含み、
前記電気的に制御可能な光学プライバシーガラス構造のうちの1つ以上に印加される前記電気駆動信号をスタガすることが、前記活性な電気的に制御可能な光学プライバシーガラス構造に対して前記電気駆動信号をスタガすることを含む、請求項1から12のいずれか一項に記載の方法。 - 前記第1の電気駆動信号および前記第2の電気駆動信号が、異なる周波数を含む、請求項1から13のいずれか一項に記載の方法。
- 前記第1の電気駆動信号を前記第1のプライバシーガラス構造に印加することにより、前記単一の電気ドライバから前記第1のプライバシーガラス構造への突入電流スパイクが引き起こされ、
前記第2の電気駆動信号を前記第2のプライバシーガラス構造に印加することにより、前記単一の電気ドライバから前記第2のプライバシーガラス構造への突入電流スパイクが引き起こされ、
前記第1の電気駆動信号および前記第2の電気駆動信号の時間的にスタガする送達により、前記単一の電気ドライバから前記第1のプライバシーガラス構造への前記突入電流スパイクが、前記単一の電気ドライバから前記第2のプライバシーガラス構造への前記突入電流スパイクとは異なる時間に発生する、請求項1から14のいずれか一項に記載の方法。
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| US201962840032P | 2019-04-29 | 2019-04-29 | |
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| US11681170B2 (en) | 2023-06-20 |
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| CN113994254A (zh) | 2022-01-28 |
| JP2022530547A (ja) | 2022-06-29 |
| US12339532B2 (en) | 2025-06-24 |
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