Light engine array

1. A light engine array comprising:

multiple light engines arranged into an array;

multiple dams located on street regions and in contact with the light engines; and

the dams together form a dam array.

2. The light engine array according to claim 1 , wherein:

each light engine comprises:

a conductive metal layer located on a same height level.

3. A light engine array comprising:

multiple light engines arranged into an array;

multiple dams located on street regions and in contact with the light engines;

the dams together form a dam array;

wherein, each light engine comprises:

a first LED unit; and

a second LED unit;

wherein, the first LED unit and the second LED unit use a same anode.

4. The light engine array according to claim 1 , wherein:

the dam array is provided as a frame to fill with a color converter or a color filter.

5. The light engine array according to claim 1 , wherein:

gap size of the neighboring dams is to control an aperture size of the corresponding light engine.

6. The light engine array according to claim 1 , wherein:

each light engine is a self-emissive color LED.

7. The light engine array according to claim 1 further comprising:

a bottom dam array of a color conversion module is aligned with the dam array to form a dam array channel by utilizing a seal material; and

an original emissive color of the light engine is guided in one of the dam array channels and converted to a target light color.

8. The light engine array according to claim 7 , wherein the color conversion module comprises:

multiple color filters formed inside a black matrix array;

a first dam array formed on the black matrix array;

a color converter filled in the first dam array and coplanar with a first dam array; and

a second dam array formed on the first dam array to form the bottom dam array.

9. A light engine array comprising:

multiple light engines arranged into an array;

multiple dams located on street regions and in contact with the light engines;

the dams together form a dam array; and

a street region set between neighboring light engines

wherein each light engine comprises:

an anode located on a backplane;

an bonding layer located on the anode;

a p-type layer located on the conductive metal layer;

an active layer located on the p-type layer;

a n-type layer located on the active layer;

an isolation layer set on a the street region to cover on the sidewall of the p-type layer, the active layer and the n-type layer; and

a polymer set in the street region;

wherein, the conductive metal layer located on the bonding layer; and multiple anodes combines an anode array.

10. The light engine array according to claim 9 , wherein:

a common cathode located on one or more sides of the light engine array;

the common cathode coupled to the light engine array; and

the light engine array uses the same common cathode.

11. The light engine array according to claim 10 , wherein:

the light engine array uses the same n-type layer.

12. The light engine array according to claim 11 , wherein:

each dam located on the n-type layer.

13. The light engine array according to claim 10 , further comprising:

a TCL layer located on the n-type layer and the street polymer;

wherein, each dam located on the TCL layer.

14. A light engine array comprising:

multiple light engines arranged into an array;

multiple dams located on street regions and in contact with the light engines;

the dams together form a dam array; wherein,

each light engine comprises:

a first LED unit; and

a second LED unit;

wherein, the first LED unit connects the second LED unit; and

the light engine array further comprising:

an anode;

a p-electrode located on the anode;

a first p-contact located on the p-electrode and contacted the p-electrode;

the first LED unit located on a first n-contact and the first p-contact;

a cathode;

a n-electrode located on the cathode;

a second n-contact located on the n-electrode and contacted the n-electrode;

the second LED unit located on the second n-contact and second p-contact; and

a connecting layer connected the first n-contact and the second p-contact.

15. The light engine array according to claim 14 , wherein:

each light engine is a self-emissive color LED.

16. A light engine array comprising:

multiple light engines arranged into an array;

multiple dams located on street regions and in contact with the light engines;

the dams together form a dam array; wherein,

each light engine comprises:

a first LED unit; and

a second LED unit;

wherein, the first LED unit connects the second LED unit; and

the light engine array further comprising:

an anode;

a p-electrode located on the anode;

a first p-contact located on the p-electrode and contacted the p-electrode;

the first LED unit located on a n-contact and the first p-contact;

a cathode;

a n-electrode connected to the cathode and located on the second LED unit;

the second LED unit located on the second p-contact; and

a connecting layer connected the n-contact and the second p-contact;

wherein, the light engine array uses the common cathode.

17. The light engine array according to claim 16 , wherein:

each light engine is a self-emissive color LED.

18. The light engine array according to claim 3 , wherein:

the first LED unit comprises:

a first anode;

a first p-electrode located on the first anode;

a first p type layer located on a first p-electrode;

a first n type layer set on the the first p type layer;

an first active layer set between the first p type layer and the first n type layer; and

a first n-electrode located on the first n type layer; and

the second LED unit comprises:

a second anode;

a second p-electrode located on the second anode;

a second p type layer located on a second p-electrode;

a second n type layer set on the second p type layer;

a second active layer set between the second p type layer and the second n type layer; and

a second n-electrode located on the second n type layer;

wherein, the first n-electrode and the second n-electrode connected to a common cathode.

19. The light engine array according to claim 3 , wherein:

structure of the second LED unit is mirrored to structure of the first LED unit.

20. The light engine array according to claim 3 , wherein:

each light engine is a self-emissive color LED.

21. The light engine array according to claim 3 , wherein:

the first LED unit comprises:

a first cathode;

a first n-electrode located on the first cathode;

a first p-electrode located on the anode;

a first p-type layer located on the p-electrode;

a first n-type layer located on the first n-electrode; and

a first active layer set between the first p-type layer and the first n-type layer;

the second LED unit comprises:

a second cathode;

a second n-electrode located on the first cathode;

a second p-electrode located on the anode;

a second p-type layer located on the p-electrode;

a second n-type layer located on the first n-electrode; and

a second active layer set between the second p-type layer and the second n-type layer;

wherein, the first p-electrode and the second p-electrode connect to the same anode.