Display pixel structure and display apparatus

A display apparatus, comprising a plurality of display pixels arranged in an array, wherein each of the display pixels comprises an electron emission light-emitting device, and the electron emission light-emitting device comprises:

• a cathode structure layer;
• an anode structure layer;
• a fluorescent layer, disposed between the cathode structure layer and the anode structure layer;
• and
• a low-pressure gas, disposed between the cathode and the anode, for inducing the cathode to emit a plurality of electrons, wherein the low-pressure gas comprises an electron mean free path, allowing at least sufficient amount of electrons to directly impinge the fluorescent layer under an operation voltage, wherein a gas pressure of the low-pressure gas is between 8×10−1 torr and 10−3 torr, and the electron mean free path is at least 5 mm.

A display apparatus, comprising:

• a first substrate;
• a plurality of cathode structure layers, disposed on the first substrate to form a two-dimensional array;
• a second substrate, made of a light-transmissive material;
• a plurality of anode structure layers, disposed on the second substrate, wherein the anode structure layers are made of a light-transmissive conductive material, and the first substrate faces to the second substrate, such that the cathode structure layers are aligned with the anode structure layers;
• a separation structure, disposed between the first substrate and the second substrate, for respectively partitioning the anode structure layers and the cathode structure layers to form a plurality of spaces;
• a plurality of fluorescent layers, respectively disposed between the anode structure layers and the cathode structure layers to from a plurality of pixels;
• a low-pressure gas, filled in the spaces, wherein the low-pressure gas layer comprises an electron mean free path, allowing at least sufficient amount of electrons to directly impinge the fluorescent layers under an operation voltage, wherein a gas pressure of the low-pressure gas is between 8×10−1 torr and 10−3 torr and the electron mean free path is at least 5 mm;
• and
• a plurality of drive units, disposed on at least one of the first substrate and the second substrate, for controlling the pixels of the two-dimensional array, so as to apply the corresponding operation voltage to generate luminance gray-level.

A display pixel structure, comprising:

• a first substrate;
• a second substrate, made of a light-transmissive material;
• a separation structure, disposed between the first substrate and the second substrate for partitioning a plurality of spaces;
• a plurality of cathode structure layers, disposed directly on the first substrate, wherein each of the spaces comprises one cathode structure layer;
• a plurality of anode structure layers, disposed directly on the first substrate, wherein each of the spaces comprises one anode structure layer;
• a plurality of fluorescent layers, disposed directly on the first substrate, respectively between the anode structure layers and the cathode structure layers to form a plurality of pixels;
• and
• a low-pressure gas, filled in the spaces,
• wherein the low-pressure gas layer comprises an electron mean free path, allowing at least sufficient amount of electrons to directly impinge the fluorescent layers under an operation voltage, wherein a gas pressure of the low-pressure gas is between 8×10−1 torr and 10−3 torr.

A display apparatus, comprising:

• a first substrate;
• a second substrate, made of a light-transmissive material;
• a separation structure, disposed between the first substrate and the second substrate, for partitioning a plurality of spaces to form a two-dimensional array;
• a plurality of cathode structure layers, disposed directly on the first substrate, wherein each of the spaces comprises one cathode structure layer;
• a plurality of anode structure layers, disposed directly on the first substrate, wherein each of the spaces comprises one anode structure layer;
• a plurality of fluorescent layers, disposed directly on the first substrate, respectively disposed between the anode structure layers and the cathode structure layers to form a plurality of pixels;
• and
• a low-pressure gas, filled in the spaces, wherein the low-pressure gas layer comprises an electron mean free path, allowing at least sufficient amount of electrons to directly impinge the fluorescent layers under an operation voltage, wherein a gas pressure of the low-pressure gas is between 8×10−1 torr and 10−3 torr and the electron mean free path is at least 5 mm;
• and
• a plurality of drive units, disposed on at least one of the first substrate and the second substrate, for controlling the pixels of the two-dimensional array, so as to apply the corresponding operation voltage to generate luminance gray-level.