USPatentGranted
B2

Display device having an array of spatial light modulators with integrated color filters

Granted 1 Dec 2009 · 8 office actions

Current assignee: Snaptrack, Inc. · originally IDC, LLC

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Inventors: William J. Cummings · Examiner: William C Choi · AU 2873 · TC 2800

Life of the patent

21 dated events
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Abstract

By selectively placing color filters with different transmittance spectrums on an array of modulator elements each having the same reflectance spectrum, a resultant reflectance spectrum for each modulator element and it\'s respective color filter is created. In one embodiment, the modulator elements in an array are manufactured by the same process so that each modulator element has a reflectance spectrum that includes multiple reflectivity lines. Color filters corresponding to multiple colors, such as red, green, and blue, for example, may be selectively associated with these modulator elements in order to filter out a desired wavelength range for each modulator element and provide a multiple color array. Because the modulator elements are manufactured by the same process, each of the modulator elements is substantially the same and common voltage levels may be used to activate and deactivate selected modulation.

Claims

24 · 6 independent · depth 5
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24 granted claims

Classifications

4 codes
IPC · International Patent Classification
Section G — Physics
  • G02F1/00
  • G02B26/00
USPC · US Patent Classification
359/290359/247

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File wrapper

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Pendency
4.8 y
1,761 days filing → grant
Office actions
4
after a restriction
Responses
3
4 RCE
Interviews
3
examiner interview summaries
Examiner
William C Choi
art unit 2873 · TC 2800
Citations: 438 back · 0 forward

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Term & fees

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Priority chain

2 priority documents
Priority
28 Oct 2004
earliest claimed
›Priority documents — 2
TypeDocumentDate
provisionalUS 60623072 0028 Oct 2004
related publicationUS 20060077512 A113 Apr 2006

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Citations

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