Components and methods for use in electro-optic displays

US9075280B2 · kind B2 · utility

Assignee

• E Ink Holdings Inc. · TW

Inventors

• Thomas H. Whitesides · Somerville, US
• Richard J. Paolini, Jr. · Framingham, US
• Michael D. Walls · Charlottesville, US
• Seungman Sohn · Seoul, KR
• Michael D. McCreary · Acton, US
• Guy M. Danner · Somerville, US
• Charles Howie Honeyman · Brookline, US
• Gregg M. Duthaler · Brookline, US
• Michael L. Steiner · New Richmond, US
• John E. Ritter · Westford, US

Key dates

• Filing date: Oct 15, 2010
• Grant date: Jul 7, 2015
• Expiry date: Aug 8, 2031

Classification

• Technology area (CPC G): Physics
• CPC primary: G02F2203/60
• WIPO field: Optics
• WIPO sector: Instruments

Abstract

An electro-optic display comprises, in order, a backplane comprising a plurality of pixel electrodes; a layer of a solid electro-optic medium; a main adhesive layer; and at least one of a light-transmissive protective layer and a light-transmissive electrically-conductive layer. The electro-optic layer may be in direct contact with the backplane or separated therefrom by a thin auxiliary layer of adhesive. The main adhesive layer may be colored to provide a color filter array. An inverted front plane laminate useful in forming such a display comprises the same layers except that the backplane is replaced by a release sheet. The display combines good low temperature performance and good resolution at higher temperatures.