1. A flat panel display, comprising:
a display screen;
a base configured to support the display screen;
a stand coupled between the display screen and the base, wherein an upper end of the stand is pivotably connected to the display screen, and wherein a lower end of the stand is pivotably connected to the base; and
a clamping device configured to fix the stand with respect to the base when the stand is folded over the base.
2. The flat panel display of claim 1, further comprising a panel hinge coupled between the display screen and the stand to allow the display screen to pivot with respect to the stand.
3. The flat panel display of claim 2, further comprising a base hinge coupled between the stand and the base to allow the stand to pivot with respect to the base.
4. The flat panel display of claim 1, further comprising a base hinge coupled between the stand and the base to allow the stand to pivot with respect to the base.
5. The flat panel display of claim 1, wherein an opening is formed in the base, and wherein the opening is configured to receive the stand when the stand is folded over the base.
6. The flat panel display of claim 5, wherein a depth of the opening is approximately equal to a thickness of the stand.
7. The flat panel display of claim 1, wherein the clamping device comprises:
at least one fixing groove formed on one of the stand and the base; and
at least one fixing protrusion which is movably mounted on the other of the stand and the base, wherein each at least one fixing protrusion is configured to be moved into engagement with a corresponding fixing groove to fix the stand with respect to the base.
8. The flat panel display of claim 7, further comprising an operating unit that is coupled to the at least one fixing protrusion, wherein movement of the operating unit causes the at least one fixing protrusion to be moved into and out of engagement with a corresponding fixing groove.
9. The flat panel display of claim 8, wherein an operating lever of the operating unit protrudes from the flat panel display such that a user can push the operating lever to cause the operating unit to move.
10. The flat panel display of claim 9, wherein the at least one fixing protrusion and the operating unit are movably mounted on the base, wherein a guide groove is formed in the base, and wherein the operating lever protrudes through and is guided by the guide groove.
11. The flat panel display of claim 10, wherein at least one additional guide groove is formed on the operating unit, wherein at least one guide protrusion is, formed on the base, and where each guide protrusion is mounted in a corresponding additional guide groove to guide movement of the operating unit.
12. The flat panel display of claim 10, further comprising a stopper configured to limit movement of the operating unit.
13. The flat panel display of claim 12, wherein the stopper interacts with the operating lever to limit movement of the operating unit.
14. The flat panel display of claim 13, wherein the stopper comprises a leaf spring mounted on the base.
15. The flat panel display of claim 8, further comprising a stopper configured to limit movement of the operating unit.
16. The flat panel display of claim 15, wherein the stopper is configured to hold the operating unit in either a first position wherein the at least one fixing protrusion is not engaged in a corresponding fixing groove or a second position wherein the at least one fixing protrusion is engaged in a corresponding fixing groove.
17. The flat panel display of claim 16, wherein the stopper comprises an elastic member which is configured to be temporarily deformed to allow the operating unit to move between the first and second positions.
18. The flat panel display of claim 17, wherein the stopper comprises a leaf spring.
19. The flat panel display of claim 8, wherein an operating lever of the operating unit protrudes from a lower portion of the base.
20. The flat panel display of claim 8, further comprising:
at least one guide groove formed on one of the operating unit and the base; and
at least one guide protrusion formed on the other of the operating unit and the base, wherein each at least one guide protrusion is received in a corresponding guide groove to guide movement of the operating unit with respect to the base.
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 DRAM memory structure, comprising:
a substrate;
a first strip semiconductor material disposed on said substrate and extending along a first direction;
a split gate disposed on said substrate, extending along a second direction and comprising independently a first block and a second block to divide said first strip semiconductor material into a first source terminal, a first drain terminal and a first channel region;
a first dielectric layer at least partially sandwiched between said split gate and said substrate;
a first gate dielectric layer at least partially sandwiched between said split gate and said strip semiconductor material; and
a first capacitor unit electrically connected to said first source terminal.
2. The DRAM memory structure of claim 1, wherein said substrate is a conductive Si substrate, an insulating Si substrate or the combination thereof.
3. The DRAM memory structure of claim 1, wherein said first direction is substantially perpendicular to said second direction.
4. The DRAM memory structure of claim 1, wherein said first direction crosses said second direction but said first direction is substantially not perpendicular to said second direction.
5. The DRAM memory structure of claim 1, wherein said first capacitor unit is disposed on said substrate and comprises said first source terminal serving as a bottom electrode, a second dielectric layer at least partially covering said first source terminal to serve as a capacitor dielectric layer, and a capacitor metal layer at least partially covering said second dielectric layer to serve as a top electrode.
6. The DRAM memory structure of claim 5, wherein said first dielectric layer and said second dielectric layer has one of a same high-k material and different high-k materials.
7. The DRAM memory structure of claim 5, wherein said second dielectric layer covers up to five sides of said first source terminal.
8. The DRAM memory structure of claim 5, wherein said capacitor metal layer completely covers said first source terminal.
9. The DRAM memory structure of claim 1, wherein one of said first block and said second block is a drive gate and the other one is a back gate.
10. The DRAM memory structure of claim 9, further comprising:
a word line electrically connected to said drive gate.
11. The DRAM memory structure of claim 9, further comprising:
a back line electrically connected to said back gate.
12. The DRAM memory structure of claim 1, wherein said first strip semiconductor material is higher than at least one of said first block and said second block.
13. The DRAM memory structure of claim 1, wherein at least one of said first block and said second block is higher than said first strip semiconductor material.
14. The DRAM memory structure of claim 1, wherein said split gate comprises a metal.
15. The DRAM memory structure of claim 1, wherein said first strip semiconductor material, said first source terminal and said first drain terminal are integrally formed.
16. The DRAM memory structure of claim 1, further comprising:
a bit line electrically connected to said first drain terminal.
17. The DRAM memory structure of claim 1, further comprising:
a second strip semiconductor material disposed on said substrate and extending along said first direction, wherein said split gate further comprises a third block so that said second block and said third block together divide said second strip semiconductor material into a second source terminal, a second drain terminal and a second channel region;
a second gate dielectric layer at least partially sandwiched between said split gate and said second strip semiconductor material; and
a second capacitor unit electrically connected to said second source terminal.
18. The DRAM memory structure of claim 17, wherein said second capacitor unit is disposed on said substrate and comprises said second source terminal serving as a bottom electrode, a second dielectric layer at least partially covering said second source terminal to serve as a second capacitor dielectric layer, and a capacitor metal layer at least partially covering said second dielectric layer to serve as a second top electrode, wherein said first source terminal is not in contact with said second source terminal.
19. The DRAM memory structure of claim 17, wherein said first strip semiconductor material, said second strip semiconductor material, said split gate, said first capacitor unit and said second capacitor unit together form a dynamic memory unit.
20. The DRAM memory structure of claim 19, wherein said first capacitor unit and said second capacitor unit together share a capacitor metal layer.
21. The DRAM memory structure of claim 19, wherein said first capacitor unit and said second capacitor unit together share a back gate.