Abstract: A method for producing 2-keto-3-deoxygluconate (KDG) from 2-(acetylamino)-2-deoxy-D-gluconic acid (GlcNAc1A) by two enzymes; GlcNAc1A is converted to KDG by incubating GlcNAc1A with a deacetylase OngB at 25° C. for 4-12 h and then with a deaminase OngC at 25° C. for another 10-15 h; it constructs two engineered E. coli/pET22b-ongB (carrying the ongB gene) and E. coli/pET22b-ongC (carrying the ongC gene) strains to prepare recombinant proteins OngB and OngC, respectively; at the action of these two enzymes, OngB and OngC, GlcNAc1A is converted to KDG, which solves the bottleneck of GlcNAc1A utilization during the bioconversion of chitin; the KDG is an important metabolic intermediate to synthesize furan derivatives, herbicides, food additives and other industrially important chemical compounds, having wide industrial applications.

Abstract: A method for producing 2-keto-3-deoxygluconate (KDG) from 2-(acetylamino)-2-deoxy-D-gluconic acid (GlcNAc1A) by two enzymes; GlcNAc1A is converted to KDG by incubating GlcNAc1A with a deacetylase OngB at 25° C. for 4-12 h and then with a deaminase OngC at 25° C. for another 10-15 h; it constructs two engineered E. coli/pET22b-ongB (carrying the ongB gene) and E. coli/pET22b-ongC (carrying the ongC gene) strains to prepare recombinant proteins OngB and OngC, respectively; at the action of these two enzymes, OngB and OngC, GlcNAc1A is converted to KDG, which solves the bottleneck of GlcNAc1A utilization during the bioconversion of chitin; the KDG is an important metabolic intermediate to synthesize furan derivatives, herbicides, food additives and other industrially important chemical compounds, having wide industrial applications.

Abstract: Provide are a display panel and a display device.

Abstract: Display panel and display device are provided. The display panel includes: a display region and a non-display region surrounding the display region. The display region includes a light-emitting layer above a substrate, and a thin-film encapsulation layer is on a side of the light-emitting layer away from the substrate; the thin-film encapsulation layer includes at least one organic layer extending to the non-display region; and in a direction perpendicular to a plane of the substrate, a height of the at least one organic layer at a corner of the display region is greater than a height of the at least one organic layer at a side of the display region.

Abstract: A display panel and a display apparatus are provided. An exemplary display panel includes a flexible display substrate; and a protective member covering a surface of the flexible display substrate. The protective member includes a first protective layer and a protective sealant; and a sidewall surface of the first protective layer adjacent to the protective sealant includes at least one first groove member. The first protective sealant and the first groove member clutch with each other; the display panel includes a first non-folding region and a folding region; the first protective layer is disposed in the first non-folding region; and the protective sealant is disposed in the folding region.

Abstract: An organic light-emitting display panel, divided into a display region and a non-display region surrounding the display region, includes a substrate; an array layer formed over the substrate; a pixel defining layer formed on the surface of the array layer away from the substrate; and a plurality of organic light-emitting devices formed in a plurality of openings of the pixel defining layer. The plurality of organic light-emitting devices are disposed in the display region, and each organic light-emitting device includes an anode, an organic light-emitting layer, and a cathode sequentially formed on the substrate. The organic light-emitting display panel also includes a plurality of support units disposed in the non-display region. At least one support unit of the plurality of support units is disposed on the surface of the pixel defining layer away from the substrate.

Abstract: Provided are an organic light-emitting display panel and an electronic device. The organic light-emitting display panel includes a plurality of sub-pixel units and a plurality of pixel circuits. The sub-pixel units are defined by a bank, the plurality of sub-pixel units emits m different colors, any two adjacent sub-pixel units emit different colors, each of the plurality of sub-pixel units includes n sub-pixels emitting a same color, and each of the sub-pixels includes a first electrode, the first electrodes of any two sub-pixels are separated from each other, where m is 3 or 4, and n is an integer no less than 3. The pixel circuits are arranged in a rectangular array, the pixel circuits are in one-to-one correspondence with the sub-pixels, and each of the pixel circuits is electrically connected to the corresponding first electrode via a connecting wire.

Abstract: Display panel and display device are provided. The display panel includes: a display region and a non-display region surrounding the display region. The display region includes a light-emitting layer above a substrate, and a thin-film encapsulation layer is on a side of the light-emitting layer away from the substrate; the thin-film encapsulation layer includes at least one organic layer extending to the non-display region; and in a direction perpendicular to a plane of the substrate, a height of the at least one organic layer at a corner of the display region is greater than a height of the at least one organic layer at a side of the display region.

Abstract: Provided are a flexible display panel and a flexible display device, in which a non-display area surrounds a display area. A concave area protrudes along a direction away from interior of display area. A convex area has a folding axis parallel to a first edge. The non-display area includes a fan-out area, in which lead wires are provided. Each lead wire has a first end and a second end. There are signal traces each extending along a first direction provided in display area. The signal traces are electrically connected to first ends of lead wires. The convex area and concave area are arranged along a second direction. The second direction intersects first direction. A driving chip is included, which is a ball grid array package driving chip and is arranged in concave area where lead wires are away from first edge and electrically connected to second ends of lead wires.

Abstract: An organic light-emitting display panel, divided into a display region and a non-display region surrounding the display region, includes a substrate; an array layer formed over the substrate; a pixel defining layer formed on the surface of the array layer away from the substrate; and a plurality of organic light-emitting devices formed in a plurality of openings of the pixel defining layer. The plurality of organic light-emitting devices are disposed in the display region, and each organic light-emitting device includes an anode, an organic light-emitting layer, and a cathode sequentially formed on the substrate. The organic light-emitting display panel also includes a plurality of support units disposed in the non-display region. At least one support unit of the plurality of support units is disposed on the surface of the pixel defining layer away from the substrate.

Abstract: A display panel and a display apparatus are provided. An exemplary display panel includes a flexible display substrate; and a protective member covering a surface of the flexible display substrate. The protective member includes a first protective layer and a protective sealant; and a sidewall surface of the first protective layer adjacent to the protective sealant includes at least one first groove member. The first protective sealant and the first groove member clutch with each other; the display panel includes a first non-folding region and a folding region; the first protective layer is disposed in the first non-folding region; and the protective sealant is disposed in the folding region.

Abstract: The present disclosure provides a flexible display panel and a display device. The flexible display panel includes a substrate, an inorganic layer disposed on a side of the substrate, and an organic layer disposed on a side of the inorganic layer away from the substrate. The inorganic layer includes a non-recessed region and a recessed region having a recess with an opening facing away from the substrate. The organic layer includes a filling portion. A projection of the filling portion in a direction perpendicular to the substrate is located in the recess. In at least one first cross-section of the flexible display panel perpendicular to the substrate, a surface of the filling portion away from the substrate is a concave surface. The concave surface is recessed toward the substrate. The display device includes the above flexible display panel.

Abstract: The present disclosure discloses a flexible display panel and a flexible display device. The flexible display panel includes a first flexible substrate, a buffer layer, a display function layer, and a conduction function layer. The buffer layer and the display function layer are placed on a first side of the first flexible substrate. The conduction function layer is placed between the first flexible substrate and the display function layer, and is connected to a constant potential through a through-hole or by an end portion of the conduction function layer. By arranging the conduction function layer and connecting to the constant potential, an external interference signal from a back side of the substrate can be effectively shielded, and the conduction function layer can also serve as a blocking layer.

Abstract: The present disclosure provides a flexible display panel including a display area and a non-display area, and a bending area is arranged therebetween. The flexible display panel further includes a flexible substrate and a thin film transistor layer. The thin film transistor layer includes a semi-conductor layer, a gate electrode insulation layer, a gate electrode layer, an insulation interlayer and a source-drain electrode metal layer. The flexible display panel includes a touch layer arranged on one side of the thin film transistor layer away from the flexible substrate. The touch layer includes a first and second touch metal layer. The flexible display panel further includes signal transmission lines including at least two parallel wiring layers in the bending area. Each wiring layer is fabricated in a same layer with at least two of the source-drain electrode metal layer, the first touch metal layer, and the second touch metal layer.

Abstract: The present disclosure provides a flexible display panel including a display area and a non-display area, and a bending area is arranged therebetween. The flexible display panel further includes a flexible substrate and a thin film transistor layer. The thin film transistor layer includes a semi-conductor layer, a gate electrode insulation layer, a gate electrode layer, an insulation interlayer and a source-drain electrode metal layer. The flexible display panel includes a touch layer arranged on one side of the thin film transistor layer away from the flexible substrate. The touch layer includes a first and second touch metal layer. The flexible display panel further includes signal transmission lines including at least two parallel wiring layers in the bending area. Each wiring layer is fabricated in a same layer with at least two of the source-drain electrode metal layer, the first touch metal layer, and the second touch metal layer.

Abstract: A flexible display apparatus is provided, including a flexible substrate including a bending area, an insulating layer formed on the flexible substrate and including at least one cutout at the bending area, and a plurality of wires configured following a surface shape of the insulating layer at the bending area. The at least one cutout includes sloped sidewalls protruding away from the flexible substrate.

Abstract: A manufacturing method of a touch control display device is disclosed. The method includes forming a thin film transistor element layer; forming and patterning a common electrode layer on the thin film transistor element layer to form common electrodes, forming a third insulation layer on the common electrode and the thin film transistor element layer, forming and patterning a conversion layer on the third insulation layer to form conversion lines, and forming on a first via hole that exposes at least a portion of a gate line, and forming a second via hole that exposes at least a portion of the common electrode. Further, first conversion lines are electrically connected to the gate lines via the first via hole, and second conversion lines are electrically connected to the common electrode via the second via hole.

Abstract: Provided are a flexible display panel and a flexible display device, in which a non-display area surrounds a display area. A concave area protrudes along a direction away from interior of display area. A convex area has a folding axis parallel to a first edge. The non-display area includes a fan-out area, in which lead wires are provided. Each lead wire has a first end and a second end. There are signal traces each extending along a first direction provided in display area. The signal traces are electrically connected to first ends of lead wires. The convex area and concave area are arranged along a second direction. The second direction intersects first direction. A driving chip is included, which is a ball grid array package driving chip and is arranged in concave area where lead wires are away from first edge and electrically connected to second ends of lead wires.

Abstract: The present disclosure discloses a flexible display panel and a flexible display device. The flexible display panel includes a first flexible substrate, a buffer layer, a display function layer, and a conduction function layer. The buffer layer and the display function layer are placed on a first side of the first flexible substrate. The conduction function layer is placed between the first flexible substrate and the display function layer, and is connected to a constant potential through a through-hole or by an end portion of the conduction function layer. By arranging the conduction function layer and connecting to the constant potential, an external interference signal from a back side of the substrate can be effectively shielded, and the conduction function layer can also serve as a blocking layer.

Abstract: The present disclosure provides a flexible display panel and a display device. The flexible display panel includes a substrate, an inorganic layer disposed on a side of the substrate, and an organic layer disposed on a side of the inorganic layer away from the substrate. The inorganic layer includes a non-recessed region and a recessed region having a recess with an opening facing away from the substrate. The organic layer includes a filling portion. A projection of the filling portion in a direction perpendicular to the substrate is located in the recess. In at least one first cross-section of the flexible display panel perpendicular to the substrate, a surface of the filling portion away from the substrate is a concave surface. The concave surface is recessed toward the substrate. The display device includes the above flexible display panel.