Flexible backlight, method for manufacturing the same, and display device

A display device, comprising a flexible backlight, a flexible circuit board, a printed circuit board, and a backplane, wherein the flexible backlight, comprises:

• a first flexible substrate and a second flexible substrate arranged opposite to each other;
• a plurality of spacers arranged between the first flexible substrate and the second flexible substrate, for supporting a spacing between the first flexible substrate and the second flexible substrate, thereby forming an accommodating chamber between the first flexible substrate and the second flexible substrate;
• a first electrode and a second electrode for forming an electric field;
• a gas contained in the accommodating chamber, wherein the gas is capable of emitting a non-visible light by an action of the electric field;
• a photoexcitation layer arranged on the second flexible substrate, wherein the photoexcitation layer is capable of emitting a visible light under illumination of the non-visible light and is in contact with the spacer;
• and
• a light reflecting layer arranged on a side of the first flexible substrate close to the second flexible substrate, wherein the light reflecting layer is only made of a metal, and the light reflecting layer is also used as the first electrode,
• wherein the spacer is only made of a conductive material, and also used as the second electrode.

A method for manufacturing a flexible backlight, comprising:

• providing a first flexible substrate and a second flexible substrate;
• forming a plurality of spacers on the first flexible substrate or the second flexible substrate;
• forming a photoexcitation layer on the second flexible substrate, wherein the photoexcitation layer is capable of emitting a visible light under illumination of a non-visible light;
• forming a first electrode and a second electrode on the first flexible substrate and/or the second flexible substrate, to form an electric field, wherein the forming the first electrode and the second electrode on the first flexible substrate and/or the second flexible substrate comprises forming, on the first flexible substrate, a light reflecting layer is only made of a metal and used as the first electrode;
• encapsulating the first flexible substrate and the second flexible substrate together, to arrange the plurality of spacers between the first flexible substrate and the second flexible substrate and in contact with the photoexcitation layer, thereby forming an accommodating chamber between the first flexible substrate and the second flexible substrate;
• and
• filling a gas into the accommodating chamber, wherein the gas is capable of emitting the non-visible light by an action of the electric field,
• wherein the plurality of spacer are only formed of a conductive material and used as the second electrode.