Method for generating elecronically controllable color elements and color display based on the method

A color display including at least two light gates as display element, a light source system at the rear of the display, constructed for emitting at least two different primary colors, and control circuits for controlling the transmission of each light gate according to desired control signals, comprising an improvement wherein the color display includes

• a synchronization section, constructed to activate the primary colors of the light source system individually and sequentially at a repetition frequency of at least 25 Hz, wherein said light source system comprises a vacuum fluorescent construction with primary color areas for emitting the different primary colors;
• control circuits constructed to drive each light gate synchronously with the synchronization section so that when any one of the primary color sources is in the activated state, the transmitted light intensity via the corresponding light gate is respectively proportional to the magnitude of the primary color component in the additive color, generated by the light gate;
• and
• means for dividing a basic sequence of each cycle of light transmitted through said light gates by the number of primary colors to provide a corresponding number of sequential sub-sequences, and dividing each sub-sequence further into basic operating cycles t.sub.i and t.sub.a, and using t.sub.i for transferring signal information to each light gate with the light source not activated, and using t.sub.a for activating the light source system to generate a light pulse of the corresponding primary color.

A color display, including:

• at least two light gates as display elements, a light source system at the rear of the display, constructed for emitting at least two different primary colors, and control circuits for controlling the transmission of each light gate according to desired control signals, comprising an improvement wherein the color display includes
• a synchronization section, constructed to activate the primary colors of the light source system individually and sequentially at a repetition frequency of at least 25 Hz, wherein the light source system comprises a structure of fluorescent tubes;
• control circuits constructed to drive each light gate synchronously with the synchronization section so that when any one of the primary color sources is in the activated state, the transmitted light intensity via the corresponding light gate is respectively proportional to the magnitude of the primary color component in the additive color, generated by the light gate;
• and
• means for dividing a basic sequence of each cycle of light transmitted through said light gates by the number of primary colors to provide a corresponding number of sequential sub-sequences, and dividing each sub-sequence further into basic operating cycles t.sub.i and t.sub.a, and using t.sub.i for transferring signal information to each light gate with the light source not activated, and using t.sub.a for activating the light source system to generate a light pulse of the corresponding primary color.

A color display, including:

• at least two light gates as display elements, a light source system at the rear of the display, constructed for emitting at least two different primary colors, and control circuits for controlling the transmission of each light gate according to desired control signals, comprising an improvement wherein the color display includes
• a synchronization section, constructed to activate the primary colors of the light source system at repetition frequency of at least 25 Hz, wherein a diffuser is disposed in front of the light sources for homogenizing the color emitting field;
• control circuits constructed to drive each light gate synchronously with the synchronization section so that when any one of the primary color sources is in the activated state, the transmitted light intensity via the corresponding light gate is respectively proportional to the magnitude of the primary color component in the additive color, generated by the light gate;
• and
• means for dividing a basic sequence of each cycle of light transmitted through said light gates by the number of primary colors to provide a corresponding number of sequential sub-sequences, and dividing each sub-sequence further into basic operating cycles t.sub.i and t.sub.a, and using t.sub.i for transferring signal information to each light gate with the light source not activated, and using t.sub.a for activating the light source system to generate a light pulse of the corresponding primary color.

A color display, including:

• at least two light gates as display elements, a light source system at the rear of the display, constructed for emitting at least two different primary colors, and control circuits for controlling the transmission of each light gate according to desired control signals, comprising an improvement wherein the color display includes
• a synchronization section, constructed to activate the primary colors of the light source system at a repetition frequency of at least 25 Hz;
• control circuits constructed to drive each light gate synchronously with the synchronization section so that when any one of the primary color sources is in the activated state, the transmitted light intensity via the corresponding light gate is respectively proportional to the magnitude of the primary color component in the additive color, generated by the light gate, wherein the light gate elements comprise discrete components mounted on a glass plate which provides a display conductor substrate and a structural frame;
• and
• means for dividing a basic sequence of each cycle of light transmitted through said light gates by the number of primary colors to provide a corresponding number of sequential sub-sequences, and dividing each sub-sequence further into basic operating cycles t.sub.i and t.sub.a, and using t.sub.i for transferring signal information to each light gate with the light source not activated, and using t.sub.a for activating the light source system to generate a light pulse of the corresponding primary color.

A color display, including:

• at least two light gates as display elements, a light source system at the rear of the display, constructed for emitting at least two different primary colors, and control circuits for controlling the transmission of each light gate according to desired control signals, comprising an improvement wherein the color display includes
• a synchronization section, constructed to activate the primary colors of the light source system at a repetition frequency of at least 25 Hz;
• control circuits constructed to drive each light gate synchronously with the synchronization section so that when any one of the primary color sources is in the activated state, the transmitted light intensity via the corresponding light gate is respectively proportional to the magnitude of the primary color component in the additive color, generated by the light gate, wherein the control circuits for driving an individual light gate include an input memory consisting of a thin-film transistor and a latch capacitor for transferring the picture information simultaneously to all picture elements by a signal on a common enable electrode line for all picture elements;
• and
• means for dividing a basic sequence of each cycle of light transmitted through said light gates by the number of primary colors to provide a corresponding number of sequential sub-sequences, and dividing each sub-sequence further into basic operating cycles t.sub.i and t.sub.a, and using t.sub.i for transferring signal information to each light gate with the light source not activated, and using t.sub.a for activating the light source system to generate a light pulse of the corresponding primary color.

A method using video signal lines for generating picture elements with individual color control on a color display screen, using at least two light gates and a common light source system for the light gates, and emitting separately at least two primary colors wherein the light source system is activated separately for each primary color to generate a switched light source that incorporates the different primary color components, and by using control circuits for controlling the transmission of each light gate to achieve the desired color intensity, said method comprising:

• generating the primary color components in the light source system as alternating light cycles, and emitting one primary color at a time, with a repetition frequency of at least 25 Hz,
• generating each picture element color by adjusting the transmission of each light gate synchronously with a primary color emission cycle of each primary color component in a ratio required to generate the desired additive color perception;
• and
• dividing a basic sequence of each video signal line cycle by the number of primary colors to provide a corresponding number of sequential sub-sequences, and dividing each sub-sequence further into basic operating cycles t.sub.i and t.sub.a, and using t.sub.i for transferring the video signal information to each light gate, and using t.sub.a for activating the light source system to generate a light pulse of the corresponding primary color;
• wherein t.sub.a is delayed relative to t.sub.i so as to permit an associated light gate to change state.

A color display including at least two light gates as display element, a light source system at the rear of the display, constructed for emitting at least two different primary colors, and control circuits for controlling the transmission of each light gate according to desired control signals, comprising an improvement wherein the color display includes

• a synchronization section, constructed to activate the primary colors of the light source system individually and sequentially at a repetition frequency of at least 25 Hz, wherein said light source system comprises a vacuum fluorescent construction with primary color areas for emitting the different primary colors;
• control circuits constructed to drive each light gate synchronously with the synchronization section so that when any one of the primary color sources is in the activated state, the transmitted light intensity via the corresponding light gate is respectively proportional to the magnitude of the primary color component in the additive color, generated by the light gate;
• and
• means for dividing a basic sequence of each cycle of light transmitted through said light gates by the number of primary colors to provide a corresponding number of sequential sub-sequences, and dividing each sub-sequence further into basic operating cycles t.sub.i and t.sub.a, and using t.sub.i for transferring signal information to each light gate, and using t.sub.a for activating the light source system to generate a light pulse of the corresponding primary color;
• wherein t.sub.a is delayed relative to t.sub.i so as to permit an associated light gate to change state.

A color display, including:

• at least two light gates as display elements, a light source system at the rear of the display, constructed for emitting at least two different primary colors, and control circuits for controlling the transmission of each light gate according to desired control signals, comprising an improvement wherein the color display includes
• a synchronization section, constructed to activate the primary colors of the light source system individually and sequentially at a repetition frequency of at least 25 Hz, wherein the light source system comprises a structure of fluorescent tubes;
• control circuits constructed to drive each light gate synchronously with the synchronization section so that when any one of the primary color sources is in the activated state, the transmitted light intensity via the corresponding light gate is respectively proportional to the magnitude of the primary color component in the additive color, generated by the light gate;
• and
• means for dividing a basic sequence of each cycle of light transmitted through said light gates by the number of primary colors to provide a corresponding number of sequential sub-sequences, and dividing each sub-sequence further into basic operating cycles t.sub.i and t.sub.a, and using t.sub.i for transferring signal information to each light gate, and using t.sub.a for activating the light source system to generate a light pulse of the corresponding primary color;
• wherein t.sub.a is delayed relative to t.sub.i so as to permit an associated light gate to change state.

A color display, including:

• at least two light gates as display elements, a light source system at the rear of the display, constructed for emitting at least two different primary colors, and control circuits for controlling the transmission of each light gate according to desired control signals, comprising an improvement wherein the color display includes
• a synchronization section, constructed to activate the primary colors of the light source system at repetition frequency of at least 25 Hz, wherein a diffuser is disposed in front of the light sources for homogenizing the color emitting field;
• control circuits constructed to drive each light gate synchronously with the synchronization section so that when any one of the primary color sources is in the activated state, the transmitted light intensity via the corresponding light gate is respectively proportional to the magnitude of the primary color component in the additive color, generated by the light gate;
• and
• means for dividing a basic sequence of each cycle of light transmitted through said light gates by the number of primary colors to provide a corresponding number of sequential sub-sequences, and dividing each sub-sequence further into basic operating cycles t.sub.i and t.sub.a, and using t.sub.i for transferring signal information to each light gate, and using t.sub.a for activating the light source system to generate a light pulse of the corresponding primary color;
• wherein t.sub.a is delayed relative to t.sub.i so as to permit an associated light gate to change state.

A color display, including:

• at least two light gates as display elements, a light source system at the rear of the display, constructed for emitting at least two different primary colors, and control circuits for controlling the transmission of each light gate according to desired control signals, comprising an improvement wherein the color display includes
• a synchronization section, constructed to activate the primary colors of the light source system at a repetition frequency of at least 25 Hz;
• control circuits constructed to drive each light gate synchronously with the synchronization section so that when any one of the primary color sources is in the activated state, the transmitted light intensity via the corresponding light gate is respectively proportional to the magnitude of the primary color component in the additive color, generated by the light gate, wherein the light gate elements comprise discrete components mounted on a glass plate which provides a display conductor substrate and a structural frame;
• and
• means for dividing a basic sequence of each cycle of light transmitted through said light gates by the number of primary colors to provide a corresponding number of sequential sub-sequences, and dividing each sub-sequence further into basic operating cycles t.sub.i and t.sub.a, and using t.sub.i for transferring signal information to each light gate, and using t.sub.a for activating the light source system to generate a light pulse of the corresponding primary color;
• wherein t.sub.a is delayed relative to t.sub.i so as to permit an associated light gate to change state.

A color display, including:

• at least two light gates as display elements, a light source system at the rear of the display, constructed for emitting at least two different primary colors, and control circuits for controlling the transmission of each light gate according to desired control signals, comprising an improvement wherein the color display includes
• a synchronization section, constructed to activate the primary colors of the light source system at a repetition frequency of at least 25 Hz;
• control circuits constructed to drive each light gate synchronously with the synchronization section so that when any one of the primary color sources is in the activated state, the transmitted light intensity via the corresponding light gate is respectively proportional to the magnitude of the primary color component in the additive color, generated by the light gate, wherein the control circuits for driving an individual light gate include an input memory consisting of a thin-film transistor and a latch capacitor for transferring the picture information simultaneously to all picture elements by a signal on a common enable electrode line for all picture elements;
• and
• means for dividing a basic sequence of each cycle of light transmitted through said light gates by the number of primary colors to provide a corresponding number of sequential sub-sequences, and dividing each sub-sequence further into basic operating cycles t.sub.i and t.sub.a, and using t.sub.i for transferring signal information to each light gate, and using t.sub.a for activating the light source system to generate a light pulse of the corresponding primary color;
• wherein t.sub.a is delayed relative to t.sub.i so as to permit an associated light gate to change state.