Abstract: A security system and display module therefore protects an item of merchandise mounted on the display module in a retail environment. The item of merchandise is electrically and mechanically connected to a sensor which is removably mounted on the display module by a first power cord. A second power cord connects the display module to the sensor and a third power cord connects the display module to a source of electricity for supplying electric power to the sensor through the display module and then to the displayed item for maintaining the charge on a battery of the displayed item. The display module contains an alarm unit having an audible alarm which is actuated if the integrity of either of the first or second power cords is compromised. A plunger switch and LED may be contained in the sensor and in a base of the display module and connected to the internal alarm to provide additional security for the protected item of merchandise.

Abstract: A security system and display module therefore protects an item of merchandise mounted on the display module in a retail environment. The item of merchandise is electrically and mechanically connected to a sensor which is removably mounted on the display module by a first power cord. A second power cord connects the display module to the sensor and a third power cord connects the display module to a source of electricity for supplying electric power to the sensor through the display module and then to the displayed item for maintaining the charge on a battery of the displayed item. The display module contains an alarm unit having an audible alarm which is actuated if the integrity of either of the first or second power cords is compromised. A plunger switch and LED may be contained in the sensor and in a base of the display module and connected to the internal alarm to provide additional security for the protected item of merchandise.

Abstract: An emissive liquid crystal display has a backlight and a liquid crystal cell for modulating the light. A phosphor layer receives the modulated light and converts the light into visible light. The phosphor layer may contain just red and green phosphors, with blue light being produced by the backlight, or may contain red, green, and blue phosphors based on near-ultraviolet light produced by the backlight. The use of the phosphor layer eliminates the need for a color filter within the liquid crystal cell and provides a greater transmittance efficiency. The liquid crystal display also provides an optimal viewing angle, correct chromacity for television, an increased contrast ratio, and a reduction in smear and flicker for a passive-matrix display. The liquid crystal display enables the use of redundant transistors in active-matrix displays and eliminates the need for retardation films or multiple domain architectures and, as a result, presents a lower manufacturing cost for the display.