Appeal No. 96-1446
Application 08/103,174
Appellant appeals to the Board from the examiner's final
rejection of claims 2 to 5 and 8 to 12, which constitute all
the claims remaining in the application.
Representative claim 5 is reproduced below:
5. A flat type display apparatus comprising;
a substrate;
an active display device, on said substrate, having a
plurality of picture elements arranged in a two dimensional
matrix form, wherein each of the plurality of picture elements
of said active display device emits a back light having a
light intensity;
a transmission type passive display device, superposed on
said active display device, having a plurality of picture
elements arranged in a two dimensional matrix form, wherein
each of the plurality of picture elements of said transmission
type passive display device having a light transmittance; and
a control circuit for independently controlling the light
transmitting of each of the picture elements of said
transmission type passive display device so as to cause each
of the picture elements to assume one of a plurality of
gradation levels and the light intensity of each of the
picture elements of said active display device so as to take
on one of a plurality of intensities.
The following references are relied on by the examiner:
Bly 4,170,771 Oct. 9, 1979
Yoshimura 4,574,315 Mar. 4,
1986
Shiraishi et al. (Shiraishi) 5,144,292 Sep. 1,
1992
2
Page: Previous 1 2 3 4 5 6 7 8 9 10 11 Next
Last modified: November 3, 2007