US PATENT SUBCLASS 257 / 436
.~.~.~ With means for increasing light absorption (e.g., redirection of unabsorbed light)

Current as of: June, 1999
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257 /   HD   ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES)

414  DF  RESPONSIVE TO NON-ELECTRICAL SIGNAL (E.G., CHEMICAL, STRESS, LIGHT, OR MAGNETIC FIELD SENSORS) {4}
428  DF  .~ Electromagnetic or particle radiation {2}
431  DF  .~.~ Light {15}
436.~.~.~ With means for increasing light absorption (e.g., redirection of unabsorbed light) {1}
437  DF  .~.~.~.~> Antireflection coating

DEFINITION

Classification: 257/436

With means for increasing light absorption (e.g., redirection of unabsorbed light):

(under subclass 431) Subject matter with means for increasing the amount of light absorbed by the device (e.g., antireflection coatings applied to the device, doping with energy converters, providing reflectors to redirect initially unabsorbed light onto the receptor, etc.).