Light-emitting device having light-reflective layer formed with, or/and adjacent to, material that enhances device performance

A structure comprising:

• a plate;
• a light-emissive region overlying the plate where the plate is generally transmissive of visible light;
• a light-blocking region overlying the plate generally lateral to the light-emissive region, the light-blocking region being generally non-transmissive of visible light;
• and
• a light-reflective getting layer extending over the light-emissive region and comprising at least one of magnesium, chromium, manganese, cobalt, copper, molybdenum, palladium, silver, platinum, and lead.

A structure comprising:

• a plate;
• a light-emissive region overlying the plate where the plate is generally transmissive of visible light;
• a light-blocking region overlying the plate generally lateral to the light-emissive region, the light-blocking region being generally non-transmissive of visible light;
• a light-reflective layer extending over the light-emissive region;
• and
• an overcoat layer overlying the light-reflective layer, providing at least one of (a) lower chemical reactivity than an imaginary native coating of aluminum oxide formed along an imaginary aluminum layer and subjected to electrons which impinge on the native coating with generally the same energies and at generally the same angles as electrons impinge on the overcoat layer from above the structure, (b) lower secondary electron emission per unit area than the native coating, and (c) lower electron backscattering per unit area than the native coating, and comprising at least one of beryllium, boron, magnesium, silicon, chromium, cobalt, germanium, ruthenium, silver, tin, neodymium, iridium, platinum, gold, lead, lithium-aluminum, beryllium-boron, beryllium carbide, beryllium oxide, beryllium-aluminum, boron nitride, boron oxide, boron-magnesium, boron-aluminum, sodium carbide, sodium nitride, sodium oxide, sodium-aluminum, magnesium-aluminum, aluminum nitride, silicon nitride, silicon oxide, vanadium oxide, vanadium phosphorus oxide, chromium oxide, copper oxide, molybdenum oxide, silver oxide, cerium oxide, neodymium oxide, and europium oxide.

A structure comprising:

• a plate;
• a light-emissive region overlying the plate where the plate is generally transmissive of visible light;
• a light-blocking region overlying the plate generally lateral to the light-emissive region, the light-blocking region being generally non-transmissive of visible light;
• a light-reflective layer extending over the light-emissive region;
• and
• an overcoat layer overlying the light-reflective layer and comprising at least one of beryllium, boron, silicon, chromium, cobalt, germanium, ruthenium, silver, tin, iridium, platinum, gold, lead, boron nitride, boron oxide, aluminum nitride, silicon nitride, silicon oxide, and chromium oxide.

A structure comprising:

• a plate;
• a light-emissive region overlying the plate where the plate is generally transmissive of visible light;
• a light-blocking region overlying the plate generally lateral to the light-emissive region, the light-blocking region being generally non-transmissive of visible light;
• a light-reflective layer extending over the light-emissive region;
• and
• an overcoat layer overlying the light-reflective layer and comprising at least one of chromium, silver, neodymium, gold, beryllium oxide, vanadium oxide, vanadium phosphorus oxide, chromium oxide, copper oxide, molybdenum oxide, silver oxide, cerium oxide, neodymium oxide, and europium oxide.

A structure comprising:

• a plate;
• a light-emissive region overlying the plate where the plate is generally transmissive of visible light;
• a light-blocking region overlying the plate generally lateral to the light-emissive region, the light-blocking region being generally non-transmissive of visible light;
• a light-reflective layer extending over the light-emissive region;
• and
• an overcoat layer overlying the light-reflective layer and comprising at least one of beryllium, boron, magnesium, lithium-aluminum, beryllium-boron, beryllium carbide, beryllium-aluminum, boron nitride, boron oxide, boron-magnesium, boron-aluminum, sodium carbide, sodium nitride, sodium oxide, sodium-aluminum, magnesium-aluminum, and aluminum nitride.

A structure comprising:

• a plate;
• a light-emissive region overlying the plate where the plate is generally transmissive of visible light;
• a light-blocking region overlying the plate generally lateral to the light-emissive region, the light-blocking region being generally non-transmissive of visible light;
• a light-reflective layer extending over the light-emissive region;
• a lower overcoat layer overlying the light-reflective layer;
• and
• an upper overcoat layer overlying the lower overcoat layer, the two overcoat layers being of different chemical composition, each overcoat layer providing at least one of (a) lower chemical reactivity than an imaginary native coating of aluminum oxide formed along an imaginary aluminum layer and subjected to electrons which impinge on the native coating with generally the same energies and at generally the same angles as electrons impinge on the overcoat layers from above the structure, (b) lower secondary electron emission per unit area than the native coating, and (c) lower electron backscattering per unit area than the native coating.

A structure comprising:

• a plate;
• a light-emissive region overlying the plate where the plate is generally transmissive of visible light;
• a light-blocking region overlying the plate generally lateral to the light-emissive region, the light-blocking region being generally non-transmissive of visible light;
• a light-reflective layer extending over the light-emissive region;
• and
• an overcoat getter overlying the light-reflective layer and comprising at least one of magnesium, chromium, cobalt, copper, palladium, silver, platinum, lead, and oxide of at least one of magnesium, chromium, manganese, cobalt, nickel, and lead.

A structure comprising:

• a plate;
• a light-emissive region overlying the plate where the plate is generally transmissive of visible light;
• a light-blocking region overlying the plate generally lateral to the light-emissive region, the light-blocking region being generally non-transmissive of visible light;
• a light-reflective layer extending over the light-emissive and light-blocking regions;
• and
• an overcoating getter layer overlying the light-reflective layer above the light-blocking region and comprising at least one of magnesium, chromium, cobalt, copper, palladium, silver, platinum, lead, and oxide of at least one of magnesium, chromium, manganese, cobalt, nickel, and lead.

A structure comprising:

• a plate;
• a light-emissive region overlying the plate;
• a light-blocking region overlying the plate generally lateral to the light-emissive region, the light-blocking region being generally non-transmissive of visible light;
• an undercoat layer overlying the light-emissive region and being generally transmissive of visible light;
• and
• a light-reflective layer overlying the undercoat layer and extending above the light-emissive region, the undercoat layer more strongly inhibiting the light-reflective layer from undergoing chemical reactions along where it is closest to the undercoat layer than does an imaginary native coating of aluminum oxide formed along an imaginary aluminum layer inhibit the aluminum layer from undergoing chemical reactions along its interface with the native coating.

A structure comprising:

• a plate;
• a light-emissive region overlying the plate where the plate is generally transmissive of visible light;
• a light-blocking region overlying the plate generally lateral to the light-emissive region, the light-blocking region being generally non-transmissive of visible light;
• an undercoat layer overlying the light-emissive region, being generally transmissive of visible light, and comprising at least one of silicon nitride, silicon oxide, magnesium oxide, aluminum nitride, aluminum oxide of greater thickness than an imaginary native coating of aluminum oxide formed along an imaginary aluminum layer, chromium oxide, zirconium oxide, indium oxide, indium tin oxide, and tin oxide;
• and
• a light-reflective layer overlying the undercoat layer and extending above the light-emissive region.

A structure comprising:

• a plate;
• a light-emissive region overlying the plate where the plate is generally transmissive of visible light;
• a light-blocking region overlying the plate generally lateral to the light-emissive region, the light-blocking region being generally non-transmissive of visible light;
• an undercoating getter layer overlying the light-blocking region and comprising at least one of magnesium, chromium, manganese, cobalt, nickel, copper, palladium, silver, platinum, lead, and oxide of at least one of magnesium, chromium, manganese, cobalt, nickel, and lead;
• and
• a light-reflective layer extending over the getter layer above the light-blocking region.