1. An atomic absorption spectrophotometer including a plurality of light sources and a beam combiner for combining a plurality of light beams emitted from the light sources, comprising:
a) a plurality of dimmer means whose transmissivity is continuously variable, which are respectively placed on each of light beam paths between the plurality of light sources and the beam combiner;
b) a memory means for memorizing a maximum amount of light of each light source when a transmissivity of each of the plurality of dimmer means is largest;
c) a computational means for computing an appropriate transmissivity of each dimmer means for equalizing amounts of light of the plurality of light sources from the maximum amount of light of each of the light sources; and
d) a setting means for setting a transmissivity of each of the plurality of dimmer means to be the appropriate transmissivity.
2. The atomic absorption spectrophotometer according to claim 1, wherein the plurality of light sources are a deuterium lamp and a hollow cathode lamp.
3. The atomic absorption spectrophotometer according to claim 1, wherein the computational means sets a smallest one among the maximum amounts of light of the plurality of light sources as a standard amount of light, and computes, from the standard amount of light and the maximum amount of light of each light source, an appropriate transmissivity of the dimmer means corresponding to the light source.
4. The atomic absorption spectrophotometer according to claim 1, wherein the dimmer means includes:
an optical filter having a substantially flat wavelength absorption characteristic and a continuously varied transmissivity; and
a drive means for shifting an appropriate area of the optical filter to a position where a light beam from the light source or lamp passes through.
5. The atomic absorption spectrophotometer according to claim 4, wherein the transmissivity of the optical filter changes one-dimensionally, and the drive means includes a stepping motor and a linear drive unit.
6. The atomic absorption spectrophotometer according to claim 5, wherein the drive unit includes a rack and pinion.
7. The atomic absorption spectrophotometer according to claim 4, wherein the transmissivity of the optical filter changes in a circumferential direction, and the drive means includes a stepping motor.
8. An atomic absorption spectrophotometer including: a deuterium lamp; a hollow cathode lamp; and a beam combiner for combining two light beams emitted from these lamps, comprising:
a) a dimmer means whose transmissivity is continuously variable, which is placed on a light beam path between the deuterium lamp and the beam combiner;
b) a memory means for memorizing a maximum amount of light of each lamp when a transmissivity of the dimmer means is largest;
c) a computational means for computing an appropriate transmissivity of the dimmer means for equalizing amounts of light of the two lamps from the maximum amounts of light of each of the lamps; and
d) a setting means for setting a transmissivity of the dimmer means to be the appropriate transmissivity.
9. The atomic absorption spectrophotometer according to claim 8, wherein the dimmer means includes:
an optical filter having a substantially flat wavelength absorption characteristic and a continuously varied transmissivity; and
a drive means for shifting an appropriate area of the optical filter to a position where a light beam from the light source or lamp passes through.
10. The atomic absorption spectrophotometer according to claim 9, wherein the transmissivity of the optical filter changes one-dimensionally, and the drive means includes a stepping motor and a linear drive unit.
11. The atomic absorption spectrophotometer according to claim 10, wherein the drive unit includes a rack and pinion.
12. The atomic absorption spectrophotometer according to claim 9, wherein the transmissivity of the optical filter changes in a circumferential direction, and the drive means includes a stepping motor.
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 stereopsis image display device, comprising:
a plurality of data lines arranged in a first direction;
a plurality of gate lines arranged in a second direction;
a plurality of sub pixels defined by crossing between the plurality of gate lines and the plurality of data lines; and
a lenticular film provided on the plurality of sub pixels,
wherein the plurality of sub pixels are provided in a horizontal 2-domain structure.
2. The stereopsis image display device of claim 1, wherein R, G and B image data are input to the first domain of the two domains, and black data are input to the second domain to display black.
3. The stereopsis image display device of claim 1, wherein one of the two domains becomes a barrier, and the other domain displays images.
4. The stereopsis image display device of claim 3, wherein the domain displaying black and the domain displaying images are changed to each other, thereby enabling eye tracking at an interval of \xbd view.
5. The stereopsis image display device of claim 1, wherein lenses of the lenticular film are provided based on 2-sub pixel type 2 views.
6. The stereopsis image display device of claim 5, wherein the lenses are provided in a double structure.
7. The stereopsis image display device of claim 5, wherein the plurality of lenses provided in the lenticular film are arranged in a vertical direction of the sub pixels.
8. The stereopsis image display device of claim 5, wherein the plurality of lenses provided in the lenticular film are arranged to be inclined.
9. A method for driving a stereopsis image display device, the method comprising:
displaying images by inputting R, G and B image data to a first domain of horizontal two domains provided in sub pixels; and
displaying black by inputting black data to a second domain.
10. The method of claim 9, wherein one of the two domains serves as a barrier, and the other one displays images.
11. The method of claim 9, wherein the domain displaying black and the domain displaying images are changed to each other, thereby enabling eye tracking at an interval of \xbd view.