1. A display apparatus, comprising:
a display panel unit;
a reflector, disposed on the display panel unit, wherein a color of a first side of the reflector is changeable based on a temperature thereof, and wherein the first side of the reflector is configured to reflect light incident thereon from outside the display apparatus;
a heat radiator disposed on the reflector and configured to generate heat and thereby control the temperature of the reflector;
an illumination sensing unit configured to sense light incident thereon from outside the display apparatus; and
a controller configured to control the heat radiator to generate heat and thereby control a temperature of the first side of the reflector according to an illumination value sensed by the illumination sensing unit.
2. The display apparatus as claimed in claim 1, wherein the reflector comprises temperature indicating paint disposed on the first side of the reflector, wherein a color of the temperature indicating paint is changeable according to a temperature thereof.
3. The display apparatus as claimed in claim 2, wherein the first side of the reflector faces a direction from which light is incident on the display apparatus from outside the display apparatus.
4. The display apparatus as claimed in claim 2, wherein, in response to an illumination value sensed by the illumination sensing unit being equal to or higher than a predetermined value, the controller controls the heat radiator to generate heat, thereby heating the temperature indicating paint and changing a color thereof.
5. The display apparatus as claimed in claim 1, wherein the illumination sensing unit comprises a plurality of illumination sensors respectfully disposed on a plurality of areas of the display apparatus.
6. The display apparatus as claimed in claim 5, wherein the controller controls the heat radiator to generate heat selectively only in one of the plurality of areas of the display apparatus in which an illumination value is equal to or higher than a predetermined value.
7. The display apparatus as claimed in claim 1, wherein the controller controls the heat radiator to generate heat selectively only in one of a plurality of areas of the display apparatus according to an installation height of the display apparatus.
8. The display apparatus as claimed in claim 7, further comprising:
a distance sensing unit configured to measure a distance between the display apparatus and a viewer,
wherein the controller controls the heat radiator to generate heat selectively only in one of a plurality of more of the display apparatus according to the distance between the display apparatus and the viewer and the installation height of the display apparatus.
9. The display apparatus as claimed in claim 1, wherein the heat radiator comprises includes at least one of transparent indium tin oxide (ITO) and a graphene heater film.
10. A method of controlling a display apparatus, the method comprising:
sensing an illumination value of light incident on the display apparatus from outside the display apparatus;
generating heat and thereby controlling a temperature of a reflector based on the illumination value,
wherein a color of a first side of the reflector is changeable based on the temperature of the reflector, and the first side of the reflector is oriented to reflect light incident thereon from outside the display apparatus.
11. The method as claimed in claim 10, wherein the reflector comprises temperature indicating paint disposed on the at least first side of the reflector, wherein a color of the temperature indicating paint is changeable according to the temperature of the reflector.
12. The method as claimed in claim 11, wherein the first side of the reflector faces a direction from which light is incident on the display apparatus from outside the display apparatus.
13. The method as claimed in claim 10, further comprising:
determining whether the illumination value is equal to or higher than a predetermined value, and
the generating heat comprises generating heat when the illumination value is equal to or higher than the predetermined value.
14. The method as claimed in claim 10, wherein the sensing the illumination value of light comprises a plurality of illumination sensors respectively sensing a plurality of illumination values of light incident on a plurality of areas of the display panel unit.
15. The method as claimed in claim 14, wherein the generating heat comprises generating heat selectively only in one of the plurality of areas of the display apparatus in which the illumination value is equal to or higher than a predetermined value.
16. The method as claimed in claim 10, comprising:
determining an installation height of the display apparatus; and
wherein the generating heat comprises generating heat selectively in one of a plurality of areas of the display apparatus according to the determined installation height.
17. The method as claimed in claim 16, further comprising:
measuring a distance between the display apparatus and a viewer;
wherein the generating heat comprises generating heat selectively in one of a plurality of areas of the display apparatus according to the distance between the display apparatus and a viewer and an installation height of the display apparatus.
18. The method as claimed in claim 10, wherein the generating heat comprises generating heat using at least one of transparent indium tin oxide (ITO) and a Graphene heater film.
19. A display apparatus comprising:
a display panel unit;
a reflector disposed on the display panel unit, the reflector comprising a first side facing a direction from which light is incident on the display apparatus from outside the display apparatus, wherein a reflectivity of the first side of the reflector is changeable according to a temperature thereof;
a heat radiator configured to heat the reflector;
an illumination sensing unit configured to sense an illumination value of light incident on the display apparatus from outside the display apparatus; and
a controller which controls the heat radiator to change a temperature of the first side of the reflector according to the illumination value.
20. The display apparatus as claimed in claim 19, wherein the reflector comprises a temperature indicating paint disposed on the first side of the reflector, wherein a color of the temperature indicating paint is changeable according to the temperature thereof.
21. The display apparatus as claimed in claim 20, comprising a plurality of areas, wherein:
the illumination sensing unit comprises an illumination sensor disposed in each of the plurality of areas of the display apparatus;
the heat radiator is configured to independently heat the reflector in each of the plurality of areas of the display apparatus; and
the controller controls the heat radiator to independently change a temperature of the first side of the reflector in each of the plurality of areas of the display apparatus according to an illumination value obtained by the illumination sensor disposed in each of the plurality of areas.
22. The display apparatus as claimed in claim 20, comprising a plurality of areas, wherein:
the heat radiator is configured to independently heat the reflector in each of the plurality of areas of the display apparatus; and
the controller controls the heat radiator to independently change a temperature of the first side of the reflector in each of the plurality of areas of the display apparatus according to the illumination value and an installation height of the display apparatus.
23. The display apparatus as claimed in claim 20, comprising a plurality of areas, wherein:
the heat radiator is configured to independently heat the reflector in each of the plurality of areas of the display apparatus; and
the controller controls the heat radiator to independently change a temperature of the first side of the reflector in each of the plurality of areas of the display apparatus according to the illumination value, an installation height of the display apparatus, and a distance between the display apparatus and a viewer.
24. A method of controlling a display apparatus, the method comprising:
sensing an illumination value of light incident on the display apparatus from outside the display apparatus;
changing a temperature of a reflector, disposed on a display panel, according to the illumination value;
wherein the reflector is disposed on the display panel unit and comprises a first side facing a direction from which light is incident on the display apparatus from outside the display apparatus, wherein a reflectivity of the first side of the reflector is changeable according to a temperature thereof.
25. The method as claimed in claim 24, wherein the changing the temperature of the reflector comprises changing a temperature of a temperature indicating paint disposed on the first side of the reflector, thereby changing a color of the temperature indicating paint.
26. The method as claimed in claim 25, wherein:
the display apparatus comprises a plurality of areas;
the sensing the illumination value comprises independently sensing an illumination value in each of the plurality of areas of the display apparatus; and
the changing the temperature of the reflector comprises independently changing a temperature of the first side of the reflector in each of the plurality of areas of the display apparatus according to the illumination value sensed in each of the plurality of areas of the display apparatus.
27. The method as claimed in claim 25, wherein:
the display apparatus comprises a plurality of areas; and
the changing the temperature of the reflector comprises independently changing a temperature of the first side of the reflector in each of the plurality of areas of the display apparatus according to the illumination value and an installation height of the display apparatus.
28. The method as claimed in claim 25, wherein:
the display apparatus comprises a plurality of areas; and
the changing the temperature of the reflector comprises independently changing a temperature of the first side of the reflector in each of the plurality of areas of the display apparatus according to the illumination value, an installation height of the display apparatus, and a distance between the display apparatus and a viewer.
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 method for preparing a sodium alginate microsphere vascular embolus containing a water-soluble drug, comprising the steps of:
preparing a solution comprising a water-soluble drug wherein the water-soluble drug is As2O3;
preparing a solution comprising sodium alginate;
preparing a solution comprising human serum albumin;
preparing a solution comprising a chemical selected from the group consisting of chitosan and sodium hyalurate;
preparing a solidifying solution;
mixing said water-soluble drug solution with said sodium alginate solution, said human serum albumin solution, and said chemical solution;
dripping said mixture through a high-pressure-static-charge microsphere-generation device into said solidifying solution; and
obtaining a sodium alginate microsphere vascular embolus from said solidifying solution.
2. The method of claim 1, wherein the step of preparing a solution comprising water-soluble drug further comprises:
weighing a quantity of said water-soluble drug; and
dissolving said quantity of water-soluble drug using a solvent.
3. The method of claim 1, wherein the step of preparing a solution comprising sodium alginate further comprises:
weighing a quantity of said sodium alginate; and
dissolving said quantity of sodium alginate using a solvent.
4. The method of claim 1, wherein the step of preparing a solution comprising said chemical further comprises:
weighing a quantity of said chemical; and
dissolving said quantity of chemical using a solvent.
5. The method of claim 1, wherein the weight ratio of said sodium alginate, said human serum albumin, and said chemical is in the range of 1:1:0.1 to 1:10:0.9.
6. The method of claim 1, wherein said solidifying solution comprises barium chloride with a concentration in the range of 1 to 20%.
7. The method of claim 1, wherein said solidifying solution is a calcium chloride solution with a concentration in the range of 1 to 20%.
8. The method of claim 7, wherein the step of obtaining a sodium alginate microsphere vascular embolus further comprises the steps of:
draining out said solidifying solution;
soaking said sodium alginate microsphere vascular embolus in an enhanced solidifying solution;
draining out said enhanced solidifying solution; and
washing said sodium alginate microsphere vascular embolus with said solidifying solution.
9. The method of claim 8, wherein said enhanced solidifying solution comprises acetone and said solidifying solution with a proportion ratio in the range of 1:0.5-100.
10. The method of claim 8, wherein said sodium alginate microsphere vascular embolus soaks in said enhanced solidifying solution for a period in the range of 3 min to 30 min.
11. The method of claim 8, further comprising the step of washing said sodium alginate microsphere vascular embolus with a preservation solution.
12. The method of claim 1, wherein said high-pressure-static-charge microsphere-generation device is a static charge generation instrument having positive and negative poles, said positive pole connected with a needle of a micro-injection device, and said negative pole linked to a stainless ring soaked in the solidifying solution, said micro-injection device including said mixture.
13. A method for preparing a sodium alginate microsphere vascular embolus containing a water-soluble drug, comprising the steps of:
preparing a solution comprising As2O3;
preparing a solution comprising sodium alginate;
preparing a solution comprising human serum albumin;
preparing a solution comprising a chemical selected from the group consisting of chitosan and sodium hyalurate;
preparing a solidifying solution of barium chloride or calcium chloride with a concentration in the range of 1 to 20%;
mixing said As2O3 solution with said sodium alginate solution, said human serum albumin solution, and said chemical solution, wherein the weight ratio of said sodium alginate, said human serum albumin, and said chemical is in the range of 1:1:0.1 to 1:10:0.9;
dripping said mixture through a high-pressure-static-charge microsphere-generation device into said solidifying solution, wherein said high-pressure-static-charge microsphere-generation device is a static charge generation instrument having positive and negative poles, said positive pole connected with a needle of a micro-injection device, and said negative pole linked to a stainless ring soaked in the solidifying solution, said micro-injection device including said mixture, thereby obtaining a sodium alginate microsphere vascular embolus from said solidifying solution, wherein the step of obtaining a sodium alginate microsphere vascular embolus further comprises the steps of:
draining out said solidifying solution;
soaking said sodium alginate microsphere vascular embolus in an enhanced solidifying solution comprising acetone and said solidifying solution with a proportion ratio in the range of 1:0.5-100 for a period in the range of 3 min to 30 min;
draining out said enhanced solidifying solution; and
washing said sodium alginate microsphere vascular embolus with said solidifying solution and optionally with a preservation solution.