1. A solid lubricant composition comprising at least one polylactic acid-based polymer and at least one lubricant powder, said composition further comprising:
(a) from about 5% to about 55% by volume of at least one non-polylactic acid-based polymeric carrier;
(b) about 10% to about 15% by volume of said polylactic acid-based polymer;
(c) from about 5% to about 75% by volume of said at least one lubricant powder;
(d) from 0% to about 20% by volume of at least one synthetic extreme pressure anti-wear liquid oil; and
(e) from 0% to about 1% by volume of at least one optical brightener.
2. The solid lubricant composition of claim 1, consisting of about 10% by volume of said polylactic acid-based polymer, and 10% to 15% by volume of a complex carbohydrate.
3. The solid lubricant composition of claim 1, consisting of about 10% by volume of said polylactic acid-based polymer.
4. The solid lubricant composition of claim 1, comprising 10% to 15% by volume of a complex carbohydrate.
5. The solid lubricant composition of claim 1, wherein said lubricant powder is selected from one or more of the group consisting of graphite and molybdenum disulfide.
6. The solid lubricant composition of claim 5, wherein said lubricant powder comprises a mixture of graphite and molybdenum disulfide.
7. The solid lubricant composition of claim 6, wherein said lubricant powder consists of a mixture of 5 parts of molybdenum disulfide powder and 1 part graphite powder, by volume.
8. The solid lubricant composition of claim 1, consisting of 60% to 65% by volume said lubricant powder.
9. The solid lubricant composition of claim 1, wherein said lubricant powder is selected from one or more of the group consisting of graphite, molybdenum disulfide, talc, mica, and calcium carbonate.
10. The solid lubricant composition of claim 1, comprising 0% to 20% by weight of an impact modifier.
11. The solid lubricant composition of claim 1, consisting of about 1% to about 5% by volume of said synthetic extreme pressure anti-wear liquid oil.
12. The solid lubricant composition of claim 1, consisting of from 0% to about 1% by weight of said optical brightener.
13. The solid lubricant composition of claim 1, wherein said polylactic acid-based polymer is polyactide.
14. A solid lubricant composition comprising:
(a) from about 20% to about 70% by volume of polyactide;
(b) from about 5% to about 75% by volume of at least one lubricant powder;
(c) from 0% to about 20% by volume of at least one synthetic extreme pressure anti-wear liquid oil; and
(d) from 0% to about 1% by volume of at least one optical brightener.
15. The solid lubricant composition of claim 14, wherein said lubricant powder is selected from one or more of the group consisting of graphite and molybdenum disulfide.
16. The solid lubricant composition of claim 15, wherein said lubricant powder consists of a mixture of 5 parts of molybdenum disulfide powder and 1 part graphite powder, by volume.
17. The solid lubricant composition of claim 14, wherein said lubricant powder is selected from one or more of the group consisting of graphite, molybdenum disulfide, talc, mica and calcium carbonate.
18. The solid lubricant composition of claim 14, consisting of about 1% to about 5% by volume of said synthetic extreme pressure anti-wear liquid oil.
19. The solid lubricant composition of claim 14, consisting of from 0% to about 1% by weight of said optical brightener.
20. A solid lubricant composition comprising:
(a) from about 25% to about 70% by volume of at least one polymeric carrier, wherein at least a portion of said at least one polymeric carrier is selected from the group consisting of polylactic acid-based polymers andor complex carbohydrates;
(b) from about 5% to about 75% by volume of at least one lubricant powder;
(c) from 0% to about 20% by volume of at least one synthetic extreme pressure anti-wear liquid oil; and
(d) from 0% to about 1% by volume of an optical brightener.
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 Plasma Display Panel (PDP), comprising:
a panel adapted to display images using a plasma discharge;
a chassis base attached to the panel and adapted to support the panel;
a circuit board adapted to supply signals for electrodes of the panel;
a signal transmission unit adapted to electrically connect the electrodes of the panel to the circuit board, and including at least one circuit device; and
a chassis bed adapted to support the signal transmission unit;
wherein the chassis bed includes at least a first ventilation hole adapted to facilitate air flow therethrough to remove heat generated by the at least one circuit device.
2. The PDP of claim 1, wherein at least a second ventilation hole is arranged on a part of the chassis base defining a sealed space by attachment to the chassis bed and adapted to facilitate air flow through the at least one first and the at least one second ventilation holes.
3. The PDP of claim 1, wherein the at least one ventilation hole is arranged to facilitate air flowing through the at least one first ventilation hole to flow between the circuit board and the chassis base.
4. The PDP of claim 3, wherein at least one third ventilation hole is arranged on the circuit board and adapted to facilitate air flowing between the circuit board and the chassis base to flow from a lower portion of the circuit board to an upper portion of the circuit board through the at least one third ventilation hole penetrating the circuit board.
5. The PDP of claim 1, wherein the at least one ventilation hole is rectangular or slit shaped.
6. The PDP of claim 1, wherein the chassis bed comprises:
a first surface contacting the chassis base and parallel to the chassis base;
a second surface bent from the first surface at a right angle and extending perpendicular to the chassis base; and
a third surface bent from the second surface at a right angle and extending parallel to the chassis base with a gap therebetween;
wherein the at least one ventilation hole is arranged on the second surface of the chassis base.
7. A display panel, comprising:
a panel adapted to display images;
a chassis base attached to the panel and adapted to support the panel;
a circuit board adapted to supply signals for the panel;
at least one circuit device adapted to electrically connect the panel to the circuit board; and
a chassis bed adapted to support the at least one circuit device;
wherein the chassis bed includes at least a first ventilation hole adapted to facilitate air flow therethrough to remove heat generated by the at least one circuit device.
8. The display panel of claim 7, wherein at least a second ventilation hole is arranged on a part of the chassis base defining a sealed space by attachment to the chassis bed and adapted to facilitate air flow through the at least one first and the at least one second ventilation holes.
9. The display panel of claim 7, wherein the at least one ventilation hole is arranged to facilitate air flowing through the at least one first ventilation hole to flow between the circuit board and the chassis base.
10. The display panel of claim 9, wherein at least one third ventilation hole is arranged on the circuit board and adapted to facilitate air flowing between the circuit board and the chassis base to flow from a lower portion of the circuit board to an upper portion of the circuit board through the at least one third ventilation hole penetrating the circuit board.
11. The display panel of claim 7, wherein the at least one ventilation hole is rectangular or slit shaped.
12. The display panel of claim 7, wherein the chassis bed comprises:
a first surface contacting the chassis base and parallel to the chassis base;
a second surface bent from the first surface at a right angle and extending perpendicular to the chassis base; and
a third surface bent from the second surface at a right angle and extending parallel to the chassis base with a gap therebetween;
wherein the at least one ventilation hole is arranged on the second surface of the chassis base.