System and method for preventing damage to products
First Claim
Patent Images
1. An apparatus for preventing damage to products in a display case having a door, the apparatus comprising:
- a normally black transparent liquid crystal display comprising a number of pixels and positioned between a front glass and a rear glass of the door; and
a controller electrically connected to the liquid crystal display and comprising a processor and a non-transitory storage device;
wherein the non-transitory storage device comprises preprogrammed transparency data which when executed by the processor causes the controller to drive the liquid crystal display according to the preprogrammed transparency data;
wherein the preprogrammed transparency data comprises multiple preprogrammed transparency levels for the liquid crystal display, each of which is associated with a respective time of day;
wherein said transparency levels are achieved by applying particular voltages to the pixels.
1 Assignment
0 Petitions
Accused Products
Abstract
A device and method for preventing damage to products in a display case is disclosed. The display case includes a normally black transparent liquid crystal display (LCD) which is positioned between a front and rear glass of the door. A controller is electrically connected to the LCD which drives the LCD according to transparency data. The transparency data comprises various transparency levels for the LCD depending on the time of day.
109 Citations
8 Claims
-
1. An apparatus for preventing damage to products in a display case having a door, the apparatus comprising:
-
a normally black transparent liquid crystal display comprising a number of pixels and positioned between a front glass and a rear glass of the door; and a controller electrically connected to the liquid crystal display and comprising a processor and a non-transitory storage device; wherein the non-transitory storage device comprises preprogrammed transparency data which when executed by the processor causes the controller to drive the liquid crystal display according to the preprogrammed transparency data; wherein the preprogrammed transparency data comprises multiple preprogrammed transparency levels for the liquid crystal display, each of which is associated with a respective time of day; wherein said transparency levels are achieved by applying particular voltages to the pixels. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
-
Specification