LIGHT GENERATING DEVICE AND DISPLAY APPARATUS HAVING THE SAME
First Claim
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1. A light generating device comprising:
- a light source driving part generating a driving voltage in response to a control signal;
a light source part generating a light in response to the driving voltage;
a measuring part receiving the light generated by the light source part to measure a spectral power distribution of the light;
an extracting part measuring optical data provided by elements of the light source part on the basis of the spectral power distribution and extracting optical characteristics provided by the elements on the basis of the optical data; and
a light source controlling part controlling the control signal on the basis of the optical characteristics.
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Abstract
A display apparatus includes a light source driving part generating a driving voltage in response to a control signal, a light source part generating a light in response to the driving voltage, a display panel receiving the light to display an image, a measuring part receiving the light from the light source part to measure a spectral power distribution of the light, an extracting part measuring optical data by elements of the light source part on the basis of the spectral power distribution and extracting optical characteristics by the elements on the basis of the optical data, and a light source controlling part controlling the control signal on the basis of the optical characteristics.
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Citations
19 Claims
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1. A light generating device comprising:
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a light source driving part generating a driving voltage in response to a control signal; a light source part generating a light in response to the driving voltage; a measuring part receiving the light generated by the light source part to measure a spectral power distribution of the light; an extracting part measuring optical data provided by elements of the light source part on the basis of the spectral power distribution and extracting optical characteristics provided by the elements on the basis of the optical data; and a light source controlling part controlling the control signal on the basis of the optical characteristics. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A display apparatus comprising:
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a light source driving part generating a driving voltage in response to a control signal; a light source part generating a light in response to the driving voltage; a display panel receiving the light to display an image; a measuring part receiving the light from the light source part to measure a spectral power distribution of the light; an extracting part measuring optical data by elements of the light source part on the basis of the spectral power distribution and extracting optical characteristics by the elements on the basis of the optical data; and a light source controlling part controlling the control signal on the basis of the optical characteristics. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. A light generating device comprising:
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a light source driving part receiving a control signal and generating a driving voltage in response to the control signal; a light source part generating a light in response to the driving voltage; a measuring part receiving the light generated by the light source part and measuring a spectral power distribution of the light; an extracting part measuring optical data outputted by elements of the light source part on the basis of the spectral power distribution and extracting optical characteristics including color coordinate and correlated color temperature provided by the elements on the basis of the measured optical data; and a light source controlling part controlling the control signal on the basis of the extracted optical characteristics, the measuring part comprises an array of spectrophotometers disposed in the light source part to measure the spectral power distribution of the light. - View Dependent Claims (19)
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Specification