William G Smyth

Author:

William Smyth

ISBN #:

0404061451

Author:

William Smyth

ISBN #:

0714404152

Author:

William Smyth

ISBN #:

0878211314

Author:

William Smyth

ISBN #:

0893412856

Author:

William Maclurg Smyth

ISBN #:

0713117036

Author:

William J. Smyth

ISBN #:

0268017816

Author:

William J. Smyth

ISBN #:

0802054935

Author:

William J. Smyth

ISBN #:

0802058299

US Patent:

6379509, Apr 30, 2002

Filed:

Jan 20, 1998

Appl. No.:

09/009391

Inventors:

Hyung-Chul Choi - Lexington MA
Yi Zhu Chu - Wellesley MA
Linda S. Heath - Acton MA
William K. Smyth - Sudbury MA

Assignee:

3M Innovative Properties Company - St. Paul MN

International Classification:

C23C 1434

US Classification:

20419229, 20419215

Abstract:

Substantially transparent electrodes are formed upon a substrate by forming on the substrate, in order, a high index layer, a metallic conductive layer, and a conductive or semi-conductive top layer; and patterning the top layer and the conductive layer, preferably by laser ablation, to form a plurality of discrete electrodes from the metallic conductive layer. Conductors can be attached directly to the top layer, without requiring removal of this layer to expose the metallic conductive layer. The high index layer, conductive layer and top layer can all be formed by sputtering or similar processes which do not require high temperatures, so that plastic substrates can be used. The electrodes can be used, for example, in flat panel displays and in touch screen displays.

US Patent:

6379788, Apr 30, 2002

Filed:

Nov 20, 1998

Appl. No.:

09/197006

Inventors:

Hyung-Chul Choi - Lexington MA
Robert L. Jones - Andover MA
Pradnya V. Nagarkar - Newton MA
William K. Smyth - Sudbury MA

Assignee:

3M Innovative Properties Company - St. Paul MN

International Classification:

B32B 1500

US Classification:

428333, 428332, 428336, 428339, 427164

Abstract:

An antireflection film comprises a transparent substrate carrying on one surface a polymeric antireflection layer, this antireflection layer having a refractive index at least about 0. 02 lower than that of the substrate and being formed from a cured polymer comprising repeating units derived from a fluoroalkene, an alkyl acrylate or methacrylate and a polyfunctional acrylate monomer. No inorganic antireflection layer is present between the substrate and the polymeric antireflection layer.

US Patent:

6464822, Oct 15, 2002

Filed:

Feb 19, 1998

Appl. No.:

09/026271

Inventors:

Hyung-Chul Choi - Lexington MA
Robert L. Jones - Andover MA
Pradnya V. Nagarkar - Newton MA
William K. Smyth - Sudbury MA
Xiaojia Z. Wang - Acton MA
Yee Ho Chia - Troy MI

Assignee:

3M Innovative Properties Company - St. Paul MN

International Classification:

B32B 3126

US Classification:

1563071, 1563074, 1563086, 156314

Abstract:

An antireflection coating includes one or more inorganic antireflection layers (typically metal oxide or silica layers) and a polymer layer cured in situ, the polymer layer having a refractive index not greater than about 1. 53 over the wavelength range of 400 to 700 nm and a thickness of from about 20 to about 200 nm. The polymer layer provides good scratch and fingerprint protection, and also enables the thicknesses of the inorganic antireflection layers to be reduced, thereby reducing the cost of the coating.

US Patent:

6630970, Oct 7, 2003

Filed:

Jul 2, 2001

Appl. No.:

09/897318

Inventors:

Giorgio Trapani - Cambridge MA
William K. Smyth - Sudbury MA
Philip Ralli - Sudbury MA
James Gordon - Newton MA
John Cael - Upton MA
John C. Branca - Franklin MA
David M. Foresyth - Plainville MA
Atsushi Suzuki - Westborough MA
William Pugh - Naperville IL

Assignee:

3M Innovative Properties Company - St. Paul MN

International Classification:

G01F 11336

US Classification:

349 96, 359483

Abstract:

A liquid crystal display structure includes a liquid crystal display cell having a front surface and a back surface. One or more intrinsic polarizers lacking protective coatings thereon, such as K-type polarizers and thin KE polarizer sheets, are disposed adjacent to the front and back surfaces of the liquid crystal display cell. Alternatively, thinly cladded or encased iodine polarizers are disposed adjacent to the front and back surfaces of the liquid crystal display cell. The liquid crystal display structure may be used in conjunction with other optical display elements to enhance the brightness and contrast of the liquid crystal display.

US Patent:

6632513, Oct 14, 2003

Filed:

May 15, 2000

Appl. No.:

09/571742

Inventors:

Hyung Chul Choi - Lexington MA
Edward P. Lindholm - Brookline MA
William K. Smyth - Sudbury MA
Pradnya V. Nagarkar - Newton MA

Assignee:

3M Innovative Properties Company - St. Paul MN

International Classification:

B32B 702

US Classification:

428216, 428336, 428339, 428461, 428689, 4273831, 427384, 427404, 4274071, 4274192, 4274195

Abstract:

An article includes an antireflection composite material, a substrate, and an inorganic layer deposited onto the substrate. The inorganic layer has a thickness of from about 1 nm to about 10 nm. The article includes a polymer layer in contact with the inorganic layer to form an outer surface of the antireflection composite material. The polymer layer has a thickness of from about 70 nm to about 120 nm.

US Patent:

6815056, Nov 9, 2004

Filed:

Sep 23, 2002

Appl. No.:

10/252257

Inventors:

Hyung-Chul Choi - Lexington MA
Robert L. Jones - Andover MA
Pradnya V. Nagarkar - Newton MA
William K. Smyth - Sudbury MA
Xiaojia Z. Wang - Acton MA

Assignee:

3M Innovative Properties Company - St. Paul MN

International Classification:

B32B 900

US Classification:

428339, 428212, 428220, 428432, 428699, 428701, 428702

Abstract:

An antireflection coating comprises one or more inorganic antireflection layers (typically metal oxide or silica layers) and a polymer layer cured in situ, the polymer layer having a refractive index not greater than about 1. 53 over the wavelength range of 400 to 700 nm and a thickness of from about 20 to about 200 nm. The polymer layer provides good scratch and fingerprint protection, and also enables the thicknesses of the inorganic antireflection layers to be reduced, thereby reducing the cost of the coating.

US Patent:

7110178, Sep 19, 2006

Filed:

Jul 2, 2001

Appl. No.:

09/897865

Inventors:

Giorgio Trapani - Cambridge MA, US
William K. Smyth - Sudbury MA, US
Pradnya V. Nagarkar - Newton MA, US

Assignee:

3M Innovative Properties Company - St. Paul MN

International Classification:

G02B 27/28
G02B 5/30

US Classification:

359492, 359490

Abstract:

An optical stack includes an intrinsic polarizer, such as a K-type or thin KE polarizer sheet. Optically functional coatings are disposed on one or both of the surfaces of the intrinsic polarizer. The optically functional coatings include a hardcoat, a transflector coating, a reflector coating, an antireflection film, a liquid crystal polymer retarder coating, a diffusion coating, an antiglare film, a wide view film, and an electrode. An optical stack including an intrinsic polarizer and an optically functional coating may have a thickness of less than 25 microns.

US Patent:

7251075, Jul 31, 2007

Filed:

Sep 18, 2006

Appl. No.:

11/532672

Inventors:

Giorgio Trapani - Cambridge MA, US
William K. Smyth - Sudbury MA, US
Pradnya V. Nagarkar - Newton MA, US

Assignee:

3M Innovative Properties Company - St. Paul MN

International Classification:

G02B 27/28
G02B 5/30

US Classification:

359492, 359490

Abstract:

An optical stack includes an intrinsic polarizer, such as a K-type or thin KE polarizer sheet. Optically functional coatings are disposed on one or both of the surfaces of the intrinsic polarizer. The optically functional coatings include a hardcoat, a transflector coating, a reflector coating, an antireflection film, a liquid crystal polymer retarder coating, a diffusion coating, an antiglare film, a wide view film, and an electrode. An optical stack including an intrinsic polarizer and an optically functional coating may have a thickness of less than 25 microns.