1. An air conditioning system comprising:
a heat pump unit including a radiator usable with a refrigerant;
a gas furnace unit including a heating section configured and arranged to heat passing air;
a blower configured and arranged to generate an air flow that passes through the radiator and the heating section;
a first temperature sensor provided in a room, the temperature sensor being configured and arranged to detect an indoor temperature in the room; and
a controller configured and arranged to control each action of the heat pump unit, the gas furnace unit, and the blower, the controller being configured to cause
the gas furnace unit to operate as a heat source unit when a difference value obtained by subtracting the indoor temperature from a set temperature is equal to or greater than a first threshold at startup, and
the heat pump unit to operate as a heat source unit when the difference value is less than the first threshold at startup.
2. The air conditioning system according to claim 1, wherein
the controller is further configured to cause the heat pump unit to operate as the heat source unit instead of the gas furnace unit when the difference value becomes less than a second threshold while the gas furnace unit is operating as the heat source unit.
3. The air conditioning system according to claim 1, wherein
the controller is further configured to cause the gas furnace unit to operate as the heat source unit instead of the heat pump unit when the difference value is equal to or greater than a third threshold while the heat pump unit is operating as the heat source unit.
4. The air conditioning system according to claim 1, further comprising:
a second temperature sensor configured and arranged to detect an outdoor air temperature of outside air,
the controller being further configured to cause the gas furnace unit to operate as the heat source unit regardless of the difference value when the outdoor air temperature is less than a first standard value at startup.
5. The air conditioning system according to claim 2, wherein
the controller is further configured to cause the gas furnace unit to operate as the heat source unit instead of the heat pump unit when the difference value is equal to or greater than a third threshold while the heat pump unit is operating as the heat source unit.
6. The air conditioning system according to claim 2, further comprising:
a second temperature sensor configured and arranged to detect an outdoor air temperature of outside air,
the controller being further configured to cause the gas furnace unit to operate as the heat source unit regardless of the difference value when the outdoor air temperature is less than a first standard value at startup.
7. The air conditioning system according to claim 3, further comprising:
a second temperature sensor configured and arranged to detect an outdoor air temperature of outside air,
the controller being further configured to cause the gas furnace unit to operate as the heat source unit regardless of the difference value when the outdoor air temperature is less than a first standard value at startup.
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 touch screen, comprising:
a liquid crystal layer including a localized polymer layer formed on a surface thereof; and
transparent electrodes disposed on both sides of the liquid crystal layer.
2. The touch screen according to claim 1, wherein the liquid crystal layer includes a liquid crystal material layer and a polymer layer.
3. The touch screen according to claim 2, wherein the polymer layer is formed on one side of the liquid crystal material layer.
4. The touch screen according to claim 2, wherein the polymer layer is formed on both sides of the liquid crystal material layer.
5. The touch screen according to claim 2, wherein the liquid crystal material layer has a thickness of 2\u02dc5 \u03bcm, and the polymer layer has a thickness of 0.1\u02dc0.25 \u03bcm.
6. The touch screen according to claim 1, wherein the liquid crystal layer includes a liquid crystal material layer and a polymer layer, the liquid crystal material layer having a thickness of 2\u02dc5 \u03bcm, the polymer layer having a thickness of 0.1\u02dc0.25 \u03bcm and the transparent electrodes having a thickness of 500\u02dc700 \u03bcm.
7. The touch screen according to claim 2, wherein the liquid crystal layer includes 95\u02dc99.9 wt % of a liquid crystal material and 0.1\u02dc5 wt % of a polymer.
8. The touch screen according to claim 1, wherein the localized polymer layer is formed by adding monomers to a liquid crystal composition and then irradiating the monomers with UV to polymerize the monomers.
9. The touch screen according to claim 8, wherein the UV irradiation is performed at a UV intensity of 0.8 mWcm2 for 3\u02dc7 minutes.
10. The touch screen according to claim 1, wherein the transparent electrode is made of ITO glass or a conductive polymer.
11. The touch screen according to claim 1, wherein a polymer constituting the polymer layer is at least one selected from among polyacrylate, polyester, polyurethane, polyether, polycarboxylate, and polyamide.
12. The touch screen according to claim 11, wherein the polymer is a liquid crystalline polymer.
13. A touch screen, comprising:
a display panel; and
a touch panel formed on the display panel,
wherein the display panel includes:
an upper substrate;
a lower substrate facing the upper substrate;
transparent electrodes formed on opposed surfaces of the upper substrate and the lower substrate; and
a liquid crystal layer formed between the transparent electrodes, the liquid crystal layer including a localized polymer layer formed on a surface thereof.
14. The touch screen according to claim 13, wherein the localized polymer layer is formed on one side or both sides of the liquid crystal layer.
15. The touch screen according to claim 13, wherein the display panel further includes polyimide layers formed on both sides of the liquid crystal layer, the polyimide layers being disposed between the transparent electrodes.
16. The touch screen according to claim 13, wherein the display panel further includes a spacer disposed at an outside of the liquid crystal layer to provide a space for accommodating the liquid crystal layer.
17. The touch screen according to claim 13, wherein the touch panel includes:
a transparent electrode formed on the display panel;
dot spacers and air gap formed on the transparent electrode;
a transparent electrode formed on the air gap; and
an upper substrate formed on the transparent electrode.
18. The touch screen according to claim 17, wherein the touch panel further includes double-sided adhesive tape formed at lateral sides of the dot spacers and the air gap.
19. The touch screen according to claim 13, further comprising polarizing plates formed at a lower end of the display panel and at an upper end of the touch panel.