1. A Liquid Crystal Display (LCD) device comprising:
a panel on which images are implemented;
a backlight device below the panel and providing light; and
a polarizer comprising a linear-polarizing layer over the panel that linear-polarizes light from the backlight device and a circular-polarizing layer over the linear-polarizing layer that circular-polarizes the linear-polarized light.
2. The LCD device of claim 1, wherein the linear-polarizing layer includes a Poly-Vinyl-Alcohol (PVA) layer.
3. The LCD device of claim 2, wherein the circular-polarizing layer includes a Quarter Wave Plate (QWP).
4. The LCD device of claim 3, wherein the polarizer is configured in sequence of an adhesion layer (PSA) onto a liquid crystal panel, a lower Tri-Acetyl-Cellulose (TAC) on the adhesion layer, a PVA layer on the lower TAC, an upper TAC on the PVA layer and a QWP on the upper TAC.
5. The LCD device of claim 3, wherein the polarizer is configured in sequence of an adhesion layer (PSA) onto a liquid crystal panel, a lower TAC on the adhesion layer, a PVA on the lower TAC, a QWP on the PVA and an upper TAC on the QWP.
6. The LCD device of claim 5, wherein the upper TAC includes a low reflective layer.
7. A method of manufacturing a Liquid Crystal Display (LCD) device comprising:
providing a panel on which images are implemented;
providing a backlight device below the panel and providing light; and
forming a polarizer comprising a linear-polarizing layer disposed over the panel that linear-polarizes light from the backlight device and a circular-polarizing layer disposed over the linear-polarizing layer that circular-polarizes the linear-polarized light.
8. The method of claim 7, wherein the linear-polarizing layer includes a Poly-Vinyl-Alcohol (PVA) layer.
9. The method of claim 8, wherein the circular-polarizing layer includes a Quarter Wave Plate (QWP).
10. The method of claim 9, wherein forming the polarizer includes forming an adhesion layer (PSA) onto a liquid crystal panel, forming a lower Tri-Acetyl-Cellulose (TAC) on the adhesion layer, forming a PVA layer on the lower TAC, forming an upper TAC on the PVA layer and forming a QWP on the upper TAC.
11. The method of claim 9, wherein forming the polarizer includes forming an adhesion layer (PSA) onto a liquid crystal panel, forming a lower TAC on the adhesion layer, forming a PVA on the lower TAC, forming a QWP on the PVA and forming an upper TAC on the QWP.
12. The method of claim 11, wherein the upper TAC includes a low reflective layer.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A process for the acetylation of wood pieces in a refiner in which pieces having a moisture content of 2% to 10% are introduced into the refiner in the presence of an acetylation fluid at a temperature in the range of 120 C to 170 C and refined for a period of 0.5-60 minutes to pieces of a reduced geometry having an acetylated weight percent gain of 10% to 30%.
2. The process of claim 1 in which the moisture content of the wood pieces is 2%-5%
3. The process of claim 1 in which the acetylation fluid is at a temperature in the range 140 C to 170 C.
4. The process of claim 1 in which the wood pieces are refined for a period of 1-60 minutes.
5. The process of claim 1 in which the wood pieces are acetylated prior to their introduction into the refiner.
6. The process of claim 1 in which the acetylation fluid is pressurised up to 6 bar.
7. The process of claim 1 in which the acetylated wood pieces of reduced geometry are further acetylated and refined.
8. The process of claim 1 in which the wood pieces comprise chips and the wood pieces of a reduced geometry comprise fibres.
9. The process of claim 1 in which the acetylation fluid comprises acetic anhydride.
10. The process of claim 1 in which the acetylation fluid comprises a mixture of acetic anhydride and acetic acid.
11. The process of claim 10 in which the mixture of acetic anhydride and acetic acid is in the ratio of 90% anhydride to 10% acid.
12. Acetylated wood geometries according to claim 1.
13. Engineered board products comprising the acetylated wood geometries claimed in claim 12.